Molecular orbitals
Molecular Mechanics Based Study of Molecular Orbitals of Ruthenium (II) Iodide
... 5p orbitals in the formation of molecular orbitals the values of coefficient of these orbitals have been added to see the total involvement in all the eleven ...nonbonding orbitals 4dz ...
10
A Band Theory Perspective on Molecular Orbitals in Complex Oxides
... in molecular orbitals (MOs) encountered in certain complex oxides, we review some of their properties from the band theory perspective and provide detailed examples based on real ...
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Study of Molecular Orbitals of Ruthenium (II) Chloride Based on Molecular Mechanics
... np orbitals were also part of the valence ...bond orbitals and negligible np participation [2) However, there is a serious technical flaw in the ...those orbitals, which are considered as valence ...
10
Study of electrostatic potential surface and molecular orbitals of O4 nano cluster by first principles
... The electrostatic potential is a physical property of a molecule related to how a molecule is first “seen” or “felt” by another approaching species. A portion of a molecule that has a negative electrostatic potential is ...
7
Structure and bandgaps of small range gallium arsenide nanocluster
... Table 1 shows the energy versus bandgap (highest occupied molecular orbital - lowest unoccupied molecular orbitals gap) of Gallium Arsenide clusters with different number of a[r] ...
5
Molecular Modeling of the antagonist compound esketamine and its molecular docking study with non-competitive N-methyl-D-aspartate (NMDA) receptors NR1, NR2A, NR2B and NR2D
... title molecular structure, the stability and reactivity properties of the said compound will be studied using frontier molecular orbitals (FMOs) ...using molecular virtual docker (MVD) ...
12
DFT study including NBO, NLO response and reactivity descriptor of bis and tris (1,3-dithiole) tetrathiafulvalene
... occupied molecular orbital (HOMO) and lowest unoccupied molecular orbital (LUMO) energy gaps were calculated to explain the frontier molecular orbitals and to predict the quantum chemical ...
10
Molecular Modelling of Selected Combustion By Products from the Thermal Degradation of Croton megalocarpus Biodiesel
... frontier molecular orbitals. Frontier orbitals are central in esti- mating the reactive nature of a given molecular ...selected molecular products from the co-pyrolysis of Croton ...
12
Theoretical and Experimental Investigations on Molecular Structure, IR, NMR Spectra and HOMO-LUMO Analysis of 4-Methoxy-N-(3-Phenylallylidene) Aniline
... The calculations indicate that the MPA has 63 occupied molecular orbitals. The value of the energy separation between the HOMO and LUMO was found as 9.53 (HF/6-31G*) and 3.52 eV (B3LYP/6-31G*) for MPA. This ...
7
Adsorption of H2S molecule on TiO2/Au nanocomposites: A density functional theory study
... for Au, 5 for O and N, 8 for S (all in Bohrs). The generalized gradient approximation (GGA) in the Perdew–Burke–Ernzerhof form (PBE) was utilized for exchange-correlation energy functional [22]. The relaxation of all ...
7
Molecular Structure, NMR, FMO, MEP and NBO Analysis of Ethyl-(Z)-3-phenyl-2-(5-phenyl-2H-1,2,3,4-tetraazol-2-yl)-2-propenoate Based on HF and DFT Calculations
... frontier molecular orbitals (FMO), detail of quantum molecular descriptors, molecular electrostatic potential (MEP), natural charge and NBO analysis of the title compound were ...
20
A detailed theoretical study of the difluoromethane molecule
... 2 An analysis of the localized molecular orbitals for the equilibrium geometry of difluoromethane indicat es that the fluorine lone pairs are delocalized in a bonding fashion toward carb[r] ...
191
Crystal structure of the 1,3,6,8 tetraazatricyclo[4 3 1 13,8]undecane (TATU)–4 nitrophenol (1/2) adduct: the role of anomeric effect in the formation of a second hydrogen bond interaction
... nonbonding molecular orbitals of N4 and N2 with the *C5—N3 anti- bonding orbital and thus these N atoms are less likely to form the second hydrogen bond and results in the observed second hydrogen-bond ...
11
The evaluation and comparison of thermo-physical, chemical and biological properties of palladium (II) complexes on binuclear diamine ligands with different anions using the DFT method
... the molecular orbitals order HOMO and LUMO for palladium (II) complexes with different dihydrazine ligands give information on the possible electronic ...
20
Unit 9 - Molecular Geometry.pptx
... T5: predict bonding in pairs of atoms based on the relationship between bonding and anti-bonding molecular orbitals (recall or filling molecular orbital diagrams excluded from AP test[r] ...
60
Acceptor/Donor End Capped Phenylene-Thiophene Co-oligomers Toward Efficiencies Organic Electronic Devices
... improve the transport properties of the thiophene-phenylene derivatives. Comparing with the donor groups, the results show that the electron withdrawing substituents are remarkable on the energy levels of the frontier ...
10
Theory of molecular auger spectroscopy
... In this method transition rates were calculated by expanding molecular orbitals into their components centred at the atom with the initial core and calculating Auger matrix elements betw[r] ...
242
Theoretical Study of the Chemical Reactivity of Five Schiff Bases Derived From Dapsone by the DFT Method
... The theoretical study of chemical reactivity was conducted on the basis of three theoretical approaches. The first concerns the analysis of surfaces of Molecular Electrostatic Potential (MEP).The second approach ...
11
Theoretical Studies of Vibrational Spectral modes and HOMO, LUMO Studies of Some Synthetic Organic Compounds
... frontier molecular orbitals (FMO) energy gap, molecular hardness (η), ionization energy (IE), electron affinity (EA), total energy and dipole moment of some pyridine derivatives supported by ...
8
Insight into the structural and spectral (IR and UV-Vis) properties of the salts of alkali (Li, Na and K) and alkaline earth (Be, Mg and Ca) metals with pertechnetate oxoanion (99mTcO4-) as the convenient water-soluble sources of the radioactive element technetium
... frontier molecular orbitals (FMOs) calculations indicate that the sodium and beryllium salts of pertechnetate anion are more susceptible to react with electron-donating compounds and also, the oxygen atoms, ...
13