Molecular structure, vibrational spectra, MEP, HOMO-LUMO and NBO analysis of Hf(SeO3)(SeO4)(H2O)4

被引：20

作者：

Yankova, Rumyana ^{[1
]}

Genieva, Svetlana ^{[1
]}

Halachev, Nenko ^{[1
]}

Dimitrova, Ginka ^{[1
]}

机构：

[1] Assen Zlatarov Univ, Dept Inorgan & Analyt Chem, Burgas 8010, Bulgaria

来源：

JOURNAL OF MOLECULAR STRUCTURE | 2016年 / 1106卷

关键词：

Hf(SeO3)(SeO4)(H2O)(4); Quantum chemical calculations; Geometry optimization; Electronic properties; EFFECTIVE CORE POTENTIALS; CRYSTAL-STRUCTURE; SELENITE; COMPOUND; ORIGIN;

D O I：

10.1016/j.molstruc.2015.10.091

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Hf(SeO3)(SeO4)(H2O)(4) was obtained with the hydrothermal synthesis. The geometry optimization of this molecule was done by Density Functional Theory (DFT/B3LYP) method with 6-31G(d) basis set and LANL2DZ for Hf. The experimental infrared spectrum was compared with calculated and complete vibrational assignment was provided. The bond orders and the electronic properties of the molecule were calculated. The natural bond orbital analysis (NBO) was performed in order to study the intramolecular bonding interactions among bonds and delocalization of unpaired electrons. The calculated highest occupied molecular orbital (HOMO) and lowest unoccupied molecular orbital (LUMO) with frontier orbital gap were presented. The electrostatic potential was calculated in order to investigate the reaction properties of the molecule. The thermodynamic properties of the studied compound at different temperatures were calculated. (C) 2015 Elsevier B.V. All rights reserved.

引用

页码：82 / 88

页数：7

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