Natural Bond Orbital (NBO) Study of (5H-tetrazol-1-yl)(triphenylphosphine)gold [Au(tetz)(PPh3)]

Natural Bond Orbital (NBO) Population Analysis of Iridabenzene (C5H5Ir)(PH3)3

The molecular structure of iridabenzene (C5 H5 Ir)(PH3 )3 was calculated by the B3LYP density functional model using LANL2DZ basis set for Ir and 6-31G(d) for other atoms. The results from natural bond orbital (NBO) analysis have provided new insights into Ir–ligand bonding, the hybridization of atoms and the electronic structure of the title molecule. The NBO calculations show that σ(Ir-C2) bo...

Natural Bond Orbital (NBO) Population Analysis of 1-Azanapthalene-8-ol

The molecular structure of 1-azanapthalene-8-ol was calculated by the B3LYP density functional model with 6-31G(d,p) basis set by Gaussian program. The results from natural bond orbital analysis have been analyzed in terms of the hybridization of atoms and the electronic structure of the title molecule. The stability of the molecule arising from hyper conjugative interactions, charge delocaliza...

natural bond orbital (nbo) population analysis of iridabenzene (c5h5ir)(ph3)3

Quantum Mechanic Studies of Natural Bond Orbital & Stabilities of [CuCH2SiMe3]4Complexes With Different Halogens

The asymmetric unit of the title compound,  Contains two independent molecules. The Cu atoms are four coordinated in distorted tetrahedral configuration by two atoms from 5,5`-dimethyl-2,2`- bipyridine and two terminal atoms. In the Cuystal structure, inter molecular hydrogen bonds link the molecules. The are  contacts between the methyl groups and the pyridine and five member rings containing ...

DFT Study of the Structure, Reactivity, Natural Bond Orbital and Hyperpolarizability of Thiazole Azo Dyes

The structure, reactivity, natural bond orbital (NBO), linear and nonlinear optical (NLO) properties of three thiazole azo dyes (A, B and C) were monitored by applying B3LYP, CAM-B3LYP and ωB97XD functionals with 6-311++G** and aug-cc-pvdz basis sets. The geometrical parameters,dipolemoments,HOMO-LUMO(highest occupied molecular orbital,lowest unoccupied molecular orbital) energy gaps, absorptio...

Bonding : A Natural Bond Orbital Donor - Acceptor Perspective

Exact answers to practically all chemical questions are, in principle, obtainable from solutions of this equation.3 Thus, Eq. (1.1) is the ultimate oracle of chemical knowledge. Equation (1.1) contains threemathematical entities: (i) theHamiltonian operator Ĥ , determined by the choice of chemical system; (ii) thewavefunctionΨ, describing the allowed spatial distribution of electrons and nuclei...