• However, the connection between molecular ordering and device performance is difficult to predict due to the current need for a mathematical theory of the physics that dictates charge transport in semiconducting polymers. (aiche.org)
  • Here we derive a simple, closed-form formula for the apparent surface charge (ASC), as well as for the electric field generated by a molecular charge distribution in aqueous solution. (arxiv.org)
  • Intramolecular charge transfer processes play an important role in many biological, chemical and physical processes including photosynthesis, redox chemical reactions and electron transfer in molecular electronics. (nature.com)
  • These charge transfer processes are frequently influenced by the dynamics of their molecular or atomic environments, and they are accompanied with energy dissipation into this environment. (nature.com)
  • Most of the experimental studies of the intramolecular charge transfer processes so far have been carried out using time-resolved optical spectroscopies on large molecular ensembles. (nature.com)
  • This hampers detailed understanding of the charge transfer on the single molecular level. (nature.com)
  • Horinek, D. & Michl, J. Surface-mounted altitudinal molecular rotors in alternating electric field: single-molecule parametric oscillator molecular dynamics. (nature.com)
  • Molecule-based magnets (MBMs) or molecular magnets are a class of materials capable of displaying ferromagnetism and other more complex magnetic phenomena. (wikipedia.org)
  • Molecule-based magnets, however, have spin bearing units on molecular entities, often with highly directional bonding. (wikipedia.org)
  • citation needed] In molecule-based magnets, the structural building blocks are molecular in nature. (wikipedia.org)
  • Charge migration is a complex phenomenon because it is dependent on molecular orbitals and orientations. (digitalomg.com)
  • Because almost all atoms on our planet are bound in molecules, perceiving the structure of molecular binding is essential to understanding the material properties of our environment. (mpg.de)
  • Using this microscopic detection method, the physicists could additionally show that the orientation of the excited molecules for different molecular resonances was alternating between parallel and perpendicular alignment relative to the polarization of the excitation light. (mpg.de)
  • The stochastic nature of single-molecule charge transport measurements requires collection of large data sets to capture the full complexity of a molecular system. (imperial.ac.uk)
  • However, differences in molecular conformation or electrode contact geometry, the number of molecules in the junction or dynamic effects may lead to very different molecular signatures. (imperial.ac.uk)
  • But just as it had originally been the case in other fields of synthetic chemistry, such as molecular or solid state chemistry, the outcome of such a deposition with respect to the structure of the individual molecule or the structural arrangement of many molecules is very hard to predict without prior experimental input. (degruyter.com)
  • Click molecule labels to explore molecular sequence information. (nih.gov)
  • Presently, charge transport through molecular systems is an important research field because of possible applications of these systems in molecular electronics. (aip.org)
  • 1-4 The key element and basic building block of molecular electronic devices is a single-molecule junction including a couple of metallic/semiconducting electrodes linked by a molecular bridge. (aip.org)
  • In general, thermoelectric charge transport through molecular junctions is controlled by simultaneous driving by electric and thermal driving forces. (aip.org)
  • It was repeatedly demonstrated that electron transport through molecules strongly depends on the molecular length. (aip.org)
  • The influence of charge transfer from organic molecules to transition metal oxide on molecular orientation characteristics of N,N′-diphenyl-N, N′-bis(1-naphthyl)-1,1′-biphenyl-4,4′-diamine (α-NPD) was investigated. (elsevierpure.com)
  • Molecular docking is the most frequently used computational method for studying the interactions between organic molecules and biological macromolecules. (mdpi.com)
  • We have also investigated the influence of the nuclear dynamics on the charge redistribution (charge transfer) using nonadiabatic quantum-mechanical molecular dynamics (NAQMD) simulation. (elsevierpure.com)
  • The time scale of the charge transfer from the iodine atomic site to the uracil ring induced by nuclear motion turned out to be only ∼5 fs, indicating that, besides the molecular Auger decay in which molecular orbitals delocalized over the iodine site and the uracil ring are involved, the nuclear dynamics also play a role for ultrafast charge redistribution. (elsevierpure.com)
  • The design algorithm includes constraints that reduce the number of possible "non-fullerene acceptor" molecules - such as molecular symmetry, quadrupole moment, ionization energy and electron affinity. (scitechdaily.com)
  • In the first trap the molecular ion is prepared in a photochemical reaction from magnesium and hydrogen, i.e., each molecule consists of a positively charged magnesium ion and a hydrogen atom. (mytum.de)
  • Molecular spectra result from either the absorption or the emission of electromagnetic radiation as molecules undergo changes from one quantized energy state to another. (britannica.com)
  • Molecules are not rigid structures, and the motion of the nuclei within the molecular framework gives rise to vibrational energy levels. (britannica.com)
  • Molecular spectra are observed when a molecule undergoes the absorption or emission of electromagnetic radiation with a resulting increase or decrease in energy. (britannica.com)
  • He calls the gel selective b ecause it is loaded with negative charges, allowing only positively charged substances such as GABA to pass through. (ieee.org)
  • For each electron extracted from the conducting polymer, an ion-a positively charged GABA molecule-takes part in the electrochemical reaction to complete the circuit. (ieee.org)
  • The attraction between negatively charged electrons and positively charged protons in an atom give the atom its structure. (hawaii.edu)
  • This force got its name because it is strong enough to overcome the force of the positively charged protons repelling each other. (hawaii.edu)
  • If we replace the peripheral hydrogens with more electronegative atoms or groups of atoms that pull electrons away, the originally negatively charged clouds turn into positively charged electron holes. (scitechdaily.com)
  • A molecule is a collection of positively charged atomic nuclei surrounded by a cloud of negatively charged electrons . (britannica.com)
  • Contrast of the biological activity of negatively and positively charged microwave synthesized CdSe/ZnS quantum dots. (cdc.gov)
  • negatively charged QDs were formed with mercaptopropionic acid (MPA-QDs) and positively charged QDs with thiocholine (THIO-QDs). (cdc.gov)
  • This enzyme is involved in transferring negatively charged particles called electrons from one molecule to another. (medlineplus.gov)
  • This article compares the cytotoxicity and cellular interactions of positively and negatively charged CdSe/CdS/ZnS QDs prepared by a microwave method using a murine alveolar macrophage-like cell culture model. (cdc.gov)
  • Coulomb fragmentation processes in collisions of Kr8+ ions with nitrogen molecules were studied at projectile energies between 19 and 171 eV/u. (uni-bielefeld.de)
  • Simultaneous charge polarization and fragmentation of N-2 molecules in slow keV collisions with Kr8+ ions", PHYSICAL REVIEW A , vol. 65, 2002, : 030702. (uni-bielefeld.de)
  • This page explains how to work out the shapes of molecules and ions containing only single bonds. (chemguide.co.uk)
  • If you are interested in the shapes of molecules and ions containing double bonds, you will find a link at the bottom of the page. (chemguide.co.uk)
  • In the electric field the negative end pushes the ions or molecules through the gel, and a positive end pulls the ions or molecules through the gel. (slideshare.net)
  • We also adopted a self-consistent charge density-functional based tight-binding (SCC-DFTB) method to treat the fragmentations of highly charged 5-IU ions created by XFEL pulses. (elsevierpure.com)
  • The present study illustrates that the CCE-CE model as well as the SCC-DFTB method can be used for reconstructing the positions of atoms in motion, in combination with the momentum correlation measurement of the atomic ions created via XFEL-induced Coulomb explosion of molecules. (elsevierpure.com)
  • In contrast to atomic ions molecules are much more difficult to trap because they cannot be cooled directly. (mytum.de)
  • The research team has now resumed to a trick: they embed the molecule into a crystal formed by cooled atomic ions. (mytum.de)
  • Whereas the atomic ions emit light by fluorescence, the lattice site occupied with the molecule remains dark. (mytum.de)
  • Ions are atoms, collections of atoms, or molecules containing a positive or negative electric charge. (cdc.gov)
  • Here this exchange is suppressed by the huge size of the molecule, which is about 1000 times larger than an oxygen molecule and reaches sizes of viruses. (nanowerk.com)
  • F = frictional coefficient depends upon the size of the molecule not the shape. (slideshare.net)
  • The time-resolved, laser-based methods developed by Hans Jakob Wörner, such as so-called high-harmonic spectroscopy, first made it possible to observe the dynamics of atomic nuclei and electrons in a molecule during a chemical reaction in real time. (fu-berlin.de)
  • The electrons in a molecule possess kinetic energy due to their motions and potential energy arising from their attraction by the positive nuclei and their mutual repulsion. (britannica.com)
  • The second aim is discovery of biologically active molecules from bacteria associated with marine mollusks. (azocleantech.com)
  • Species-specific tweezers are used to control the separation between the atom and molecule. (ugr.es)
  • Students write the definition of an atom and molecule then complete an acrostic form. (abcteach.com)
  • Because the associated molecules were repelled from the lattice, molecule excitation leads to two empty lattice sites separated by a bond length, which corresponds to a distance of a lattice diagonal in the case of this work. (mpg.de)
  • After an excitation pulse, the remaining atom occupation of the lattice was measured with a high-resolution objective and molecules were identified as correlated empty sites. (mpg.de)
  • How is the charge distributed over the individual atoms after excitation? (sciencedaily.com)
  • In fact, the study of the formation, stability, and physicochemical peculiarities of non-covalent assemblies of surfactant molecules in gas phase allows to unveil interesting aspects such as the role of attractive, repulsive, and steric intermolecular interactions as driving force of supramolecular organization in absence of interactions with surrounding medium and the size and charge state dependence of aggregate structural and dynamical properties. (unipa.it)
  • This phenomenon significantly affects the physicochemical properties of molecules and their interactions. (scitechdaily.com)
  • A key factor in computational drug design is the consistency and reliability with which intermolecular interactions between a wide variety of molecules can be described. (biomedcentral.com)
  • This study indicates that the surface charge and aggregation characteristics of QDs change drastically in biological culture conditions and, in turn, influence nanoparticle and cellular interactions. (cdc.gov)
  • The new devices, an organic electronic ion pump custom designed for the anatomy of rats, is based on the principle of electrophoresis: the transport of molecules through a fluid or gel under the influence of an electric field. (ieee.org)
  • These building blocks are either purely organic molecules, coordination compounds or a combination of both. (wikipedia.org)
  • Here we use DFT to investigate the relationship between electronic structure and charge transport in an organic compound known as 4,4'-bipyridine (BPD) when it is held between conducting metal leads to form a metal-molecule-metal (M--m--M) junction. (bard.edu)
  • Matsushima, T & Murata, H 2013, ' Charge transfer-induced horizontal orientation of organic molecules near transition metal oxide surfaces ', Organic Electronics , vol. 14, no. 4, pp. 1149-1156. (elsevierpure.com)
  • 13. How are organic molecules classified? (fsu.edu)
  • We studied the electronic and nuclear dynamics of I-containing organic molecules induced by intense hard X-ray pulses at the XFEL facility SACLA in Japan. (elsevierpure.com)
  • Physicists at the Max Planck Institute for Quantum Optics (MPQ) achieved to form giant diatomic molecules and optically detect them afterwards by using a high-resolution objective. (mpg.de)
  • The tiny size of conventional diatomic molecules in the sub-nanometer regime hinders direct optical resolution of their constituents. (mpg.de)
  • Much effort has been invested in developing methods for producing small molecules from lignin as a way to source feedstock chemicals from renewable sources. (acs.org)
  • The use of lignin-derived small molecules in high-value systems such as epoxies may help improve the economics of biorefineries. (acs.org)
  • The standard technique for investigating the structure of large and complex molecules, e.g., proteins, is based on the diffraction of X-rays in crystals and fails in many cases, because the biological molecules are difficult or impossible to crystallize. (mytum.de)
  • With these techniques we have successfully traced the electron transfer in complex molecules like the shown Ruthenium - Platinum complex with very high time-resolution. (lu.se)
  • The design of future materials for biotechnological applications via deposition of molecules on surfaces will require not only exquisite control of the deposition procedure, but of equal importance will be our ability to predict the shapes and stability of individual molecules on various surfaces. (degruyter.com)
  • In biological systems, charge transfer figures in various key processes, from energy transduction to CO 2 reduction and water splitting, to nucleic acid biosynthesis. (nature.com)
  • A better knowledge of the distribution of the electron charge will help the scientific community to understand many chemical and biological processes in the first place. (scitechdaily.com)
  • Then we extended the study to 5-iodouracil (C 4 H 3 IN 2 O 2 , 5-IU), which is a more complex molecule of biological relevance, and confirmed that, in both CH 3 I and 5-IU, the charge build-up takes about 10 fs, while the charge is redistributed among atoms within only a few fs. (elsevierpure.com)
  • The size and charge of these two QDs were investigated in three types of media (RPMI, RPMI + FBS, and X-VIVO serum-free media) relevant for the biological studies. (cdc.gov)
  • Ionization processes occur naturally in the Earth's upper atmosphere and at the Earth's surface and are largely responsible for radiation damage in biological molecules. (lu.se)
  • So, by taking a water molecule as examples, there are some atomic charges have been obtained as list below. (sobereva.com)
  • Intensity distribution of emitted proton (H+) and oxygen ion (O)+ viewed by our detector when the water molecule is resonantly excited by X-rays. (lu.se)
  • Chemical properties include the specific ways that atoms and molecules react and the energy that they release or use in these reactions. (hawaii.edu)
  • Molecules react with each other within femtoseconds (10-15 s). (fu-berlin.de)
  • Atoms and molecules in electronically excited states decay via various processes which lead to bond breaking and ion formation, producing neutral and charged constituents that react with their neighbors. (lu.se)
  • Light pulses comprising a huge number of photons within a period of a few femtoseconds produce images of a single molecule before the radiation damage becomes visible (1 femtosecond corresponds to 10 -15 seconds). (mytum.de)
  • Now the conditions are set for hitting the single molecule with a femtosecond laser pulse at a probability of almost 100 percent. (mytum.de)
  • Density functional theory (DFT) is a computational method for modeling multi-electron systems, such as atoms and molecules, using a quantum mechanical approach. (bard.edu)
  • Closed-form, analytical approximations for electrostatic properties of molecules are of unique value, as these can provide computational speed, versatility, and physical insight. (arxiv.org)
  • Electrostatic forces hold atoms in molecules. (hawaii.edu)
  • The electrostatic forces that hold atoms together in molecules are the same type of forces that cause static electricity. (hawaii.edu)
  • Electrostatic forces hold atoms together in molecules-like the two hydrogen atoms held together in H2 gas. (hawaii.edu)
  • From left to right: Chemical structure of the investigated molecule, calculated electrostatic potential map of the molecule, experimental Kelvin probe force microscopy (KPFM) image, and simulated KPFM image. (scitechdaily.com)
  • These two energy factors, along with the potential energy due to the mutual electrostatic repulsion of the positive nuclei, constitute the electronic energy of a molecule. (britannica.com)
  • Calculating the binding free energies of charged species based on explicit-solvent simulations employing lattice-sum methods: An accurate correction scheme for electrostatic finite-size effects" J. Chem. (lu.se)
  • The proof of a permanent dipole moment in a homonuclear molecule not only improves the understanding of polar molecules. (nanowerk.com)
  • Ultra cold polar molecules are also promising to study and control chemical reactions of single molecules. (nanowerk.com)
  • from Latina phoresis- move) is the instrument which measures the migration of a charged particles under the electric current toward anode electrodes forming different sized bands. (slideshare.net)
  • In the past couple of decades ion traps have provided unique control capabilities for charged particles. (mytum.de)
  • Ionizing radiation can also be in the form of particulate radiation, which includes subatomic l charged or neutral particles traveling near the speed of light and therefore with high very high kinetic energy. (medscape.com)
  • Alpha particles are charged particles made up of 2 protons and 2 neutrons-essentially the nucleus of a helium atom. (medscape.com)
  • Because of their relatively large mass and positive charge, alpha particles are highly effective in transferring energy to tissue but are also easily blocked by a piece of paper or clothing. (medscape.com)
  • Since our interest lays primarily in the dynamics of molecules in solution this process can be used to study the relation of points of high electron density to each other. (lu.se)
  • On Earth , matter appears in three clearly defined forms - solid, liquid, and gas - whose varying structural characteristics are a function of the speeds at which its molecules move in relation to one another. (encyclopedia.com)
  • The structural characteristics of these molecules imply a low reorganization energy that is a necessary requirement for low energy ET processes. (jyu.fi)
  • By investigating these atoms at different times after the structure was excited with light we can trace the development of electronic and structural changes even in very complex systems or in other words follow the electron through the molecule and over interfaces. (lu.se)
  • Molecules of compounds have atoms of two or more different elements. (hawaii.edu)
  • An uncharged atom is electrically neutral because electrons and protons have opposite charges of equal sizes. (hawaii.edu)
  • is an electrically charged atom or molecule). (cdc.gov)
  • Under the influence of these quickly changing electrical fields a single ion (i.e. an electrically charged atom), which has been cooled down to very low temperatures, gets trapped in the center of the chamber. (mytum.de)
  • Ionization occurs when sufficient energy is transferred to an atom to liberate an orbital electron generating an electrically charge ion pair. (medscape.com)
  • Nanowerk News ) Physicists from the University of Stuttgart show the first experimental proof of a molecule consisting of two identical atoms that exhibits a permanent electric dipole moment. (nanowerk.com)
  • Here we present such an approach based on multivariate pattern analysis and apply it to simulated and experimental single-molecule charge transport data. (imperial.ac.uk)
  • It offers deep insights into CM dynamics in molecules and enhances our understanding of ultrafast dynamics. (digitalomg.com)
  • The measurement of charge migration speed in molecules has been a long-standing challenge in ultrafast science. (digitalomg.com)
  • 57 Under certain conditions (e.g., in single-molecule junctions with ferromagnetic electrodes and/or with a magnetic molecule used as a linker), spin polarization of electrons may significantly influence thermoelectric transport resulting in several new phenomena such as the spin Seebeck effect. (aip.org)
  • The same group caused worldwide a stir when they created these weakly bound Rydberg molecules for the first time in 2009. (nanowerk.com)
  • The molecules consist of two identical atoms whereof one is excited to a highly excited state, a so-called Rydberg state. (nanowerk.com)
  • We demonstrate Rydberg blockade due to the charge-dipole interaction between a single Rb atom and a single RbCs molecule confined in optical tweezers. (ugr.es)
  • The charge-dipole interaction causes blockade of the transition to the Rb(52s) Rydberg state, when the atommolecule separation is set to 310(40) nm. (ugr.es)
  • The right image shows the reconstructed lattice site occupation, where the Rydberg molecules are identified as missing pairs of atoms (red). (mpg.de)
  • Due to the comparatively simple theory of Rydberg atoms, the spectroscopically resolved vibrational states of the resulting molecules are in quantitative agreement with the theoretically calculated energy levels. (mpg.de)
  • The larger molecules move more slowly than smaller molecules. (slideshare.net)
  • The uniformly dispersed electric field influences the movement of the molecules being separated, and the porous channels throughout the matrix allows smaller molecules to move more readily through the medium than larger molecules. (cdc.gov)
  • Interestingly, the character of charge transfer is quite different in proteins and in nucleic acids such as DNA 18 . (nature.com)
  • In proteins, the charges are largely localized and the transfer is directional as the charge transfer occurs over distant cofactors and substantially large energy gaps. (nature.com)
  • In particular, the incorporation of large molecules such as proteins has been of recent interest with the objective to protect their structure and functionality during the transition from solution to gas phase. (unipa.it)
  • As an extremely powerful program for realizing electronic wavefunction analysis, Multiwfn also can be applied to calculate the atomic charges of each atoms in molecule. (sobereva.com)
  • We report observation of single electron transfer between two ferrocene redox centers within a single molecule and the detection of energy dissipation associated with the single electron transfer. (nature.com)
  • The magnetic moment in molecule-based magnets is typically stabilized by one or more of three main mechanisms:[citation needed] Through space or dipolar coupling Exchange between orthogonal (non-overlapping) orbitals in the same spatial region Net moment via antiferromagnetic coupling of non-equal spin centers (ferrimagnetism) In general, molecule-based magnets tend to be of low dimensionality. (wikipedia.org)
  • The molecules have been carefully characterized, and the electronic communication between both metal centers (when this situation applies) has been definitely observed through the coplanarity of both pyridine fragments. (jyu.fi)
  • As the interaction free energies between the redox centres scale linearly with overall ring charge and in conjunction with fast intramolecular electron transfer (∼107 s−1), these molecules can be considered as uniformly charged nanorings (diameter ∼1-2 nm). (imperial.ac.uk)
  • Thanks to our previous experience with the Kelvin Probe Force Microscopy (KPFM) technique, we have been able to refine our measurements and acquire very complete data sets that have helped us to deepen our understanding not only of how the charge is distributed in the molecules but also of what observables are obtained with the technique," says Bruno de la Torre. (scitechdaily.com)
  • Reference: "Visualization of π-hole in molecules by means of Kelvin probe force microscopy" by B. Mallada, M. Ondráček, M. Lamanec, A. Gallardo, A. Jiménez-Martín, B. de la Torre, P. Hobza and P. Jelínek, 16 August 2023, Nature Communications . (scitechdaily.com)
  • This achievement sheds light on the dynamics of CM in molecules and paves the way for potential applications in manipulating chemical reaction rates. (digitalomg.com)
  • Alongside other tailored nanoscale systems (such as carbon-based nanostructures and quantum dots), single-molecule junctions hold promise for enhanced efficiency of heat-to-electric energy conversion. (aip.org)
  • Essentially all of the common magnetic phenomena associated with conventional transition-metal magnets and rare-earth magnets can be found in molecule-based magnets. (wikipedia.org)
  • The transition from atoms to molecules increases the difficulty even more. (mpg.de)
  • Conversely, the application of electromagnetic radiation of frequency ν to a molecule in energy state E hi can result in the emission of additional radiation of frequency ν as the molecule undergoes a transition to state E lo . (britannica.com)
  • This is due to the presence of the slow highly charged projectile during the fragmentation process. (uni-bielefeld.de)
  • Scientists have confirmed a decades-old theory about the non-uniform distribution of electron density in aromatic molecules, expanding the possibilities for designing new nanomaterials. (scitechdaily.com)
  • Researchers have experimentally verified a longstanding theory that posited that electron density is unevenly distributed in aromatic molecules. (scitechdaily.com)
  • Our goal in this work is to extend the outstanding capabilities of the scanning probe microscopy (SPM) technique to controlling mixed-valence states and electron transfer within a single molecule. (nature.com)
  • Here, by performing single-electron alternate charging scanning tunneling microscopy of molecules on insulators, we accessed a charged intermediate state involved in the rapid toggling of individual metal phthalocyanines deposited on NaCl films. (ibm.com)
  • Due to symmetry reasons homonuclear molecules, consisting only of atoms of the same element, therefore could not possess dipole moments. (nanowerk.com)
  • They measured the energy shift of the molecule in an electric field by laser spectroscopy in an ultra cold atomic cloud. (nanowerk.com)
  • Through the use of high harmonic spectroscopy and machine learning reconstruction algorithms, the research team from HUST, in collaboration with theoretical teams from Kansas State University and University of Connecticut, successfully measured the CM speed in the carbon-chain molecule butadiyne. (digitalomg.com)
  • Here we report that a butyl methyl sulphide molecule adsorbed on a copper surface can be operated as a single-molecule electric motor. (nature.com)
  • Furthermore, one will need to be able to predict the structure patterns generated during the self-organization of whole layers of (bio)molecules on the surface. (degruyter.com)
  • In this work, we theoretically study steady state thermoelectric transport through a single-molecule junction with a long chain-like bridge. (aip.org)
  • Elements can be made of one atom, like He, or be elemental molecules, such as hydrogen (H 2 ), oxygen (O 2 ), chlorine (Cl 2 ), ozone (O 3 ), and sulfur (S 8 ). (hawaii.edu)
  • Hydrogen (H 2 ), oxygen (O 2 ), and chlorine (Cl 2 ) molecules, for example, each contains two atoms. (hawaii.edu)
  • For example, if you had a molecule such as COCl 2 , you would need to work out its structure, based on the fact that you know that carbon forms 4 covalent bonds, oxygen 2, and chlorine (normally) 1. (chemguide.co.uk)
  • Each hemoglobin molecule contains four iron atoms, which are needed to carry oxygen. (medlineplus.gov)
  • Superposition-state N 2 + produced in the intermolecular charge transfer from low-energy Ar + to N 2 . (bvsalud.org)
  • Nowadays, large laser systems provide ultra-short light pulses of very high intensity, which - in principle - allow the imaging of matter and its dynamics on atomic scales, down to a single molecule or a virus. (mytum.de)
  • Using the well proven concept of ion traps they store a single molecule at a precisely known position and then hit it in a deterministic way with single laser pulses. (mytum.de)
  • Similarly, the powerful global search techniques that have been applied to, and sometimes specifically developed for, the structure prediction of crystals and single molecules in vacuum or solvent can also be employed for the prediction of the structure(s) of molecules on surfaces. (degruyter.com)
  • Recently, a research team from Huazhong University of Science and Technology (HUST) collaborated with theoretical teams from Kansas State University and University of Connecticut to propose a method for measuring the CM speed in a carbon-chain molecule called butadiyne (C4H2). (digitalomg.com)
  • The reason is an interference effect based on the electronic structure as well as the vibrational degree of freedom of the molecule, which also predicted by the theoretical expectation. (mpg.de)
  • Theoretical interrogations into correlations based on ring size and charge state are facilitated using values of the equilibrium potentials of these transitions, as well as their relative spacing. (imperial.ac.uk)
  • The proton-conducting pathway of bacteriorhodopsin (BR) contains at University, PO Box 124 least nine internal water molecules that are thought to be key players in SE-22100 Lund, Sweden the proton translocation mechanism. (lu.se)
  • a pdb-file of the complex with hydrogen atoms and without water molecules. (lu.se)
  • The mechanism by which molecule-based magnets stabilize and display a net magnetic moment is different than that present in traditional metal- and ceramic-based magnets. (wikipedia.org)
  • citation needed] Another distinguishing feature is that molecule-based magnets are prepared via low-temperature solution-based techniques, versus high-temperature metallurgical processing or electroplating (in the case of magnetic thin films). (wikipedia.org)
  • The interaction with the intense XFEL pulse causes absorption of multiple X-ray photons by the iodine atom, which results in the creation of many electronic vacancies (positive charges) via the sequential electronic relaxation in the iodine, followed by intramolecular charge redistribution. (elsevierpure.com)
  • This groundbreaking work provides the first experimentally derived answer regarding the speed of CM in a molecule. (digitalomg.com)
  • 5-12 Therefore, thermoelectric properties of single-molecule junctions are being explored both theoretically and experimentally. (aip.org)
  • The shape of a molecule or ion is governed by the arrangement of the electron pairs around the central atom. (chemguide.co.uk)
  • which atom in the pictured molecule will have the strongest partial positive charge? (xpuniverse.com)
  • Tag: which atom in the pictured molecule will have the strongest partial positive charge? (xpuniverse.com)