Thermodynamic Functions of Yttrium Trifluoride and Its Dimer in the Gas Phase

被引:5
|
作者
Osina, E. L. [1 ]
Kovtun, D. M. [1 ,2 ]
机构
[1] Russian Acad Sci, Joint Inst High Temp, Moscow 125412, Russia
[2] Moscow MV Lomonosov State Univ, Dept Chem, Moscow 119991, Russia
基金
俄罗斯科学基金会;
关键词
yttrium trifluoride; yttrium trifluoride dimer; thermodynamic properties; MP2; CCSD(T); relativistic pseudopotentials for d-elements YF3; Y2F6; INFRARED-SPECTRA; AB-INITIO; VIBRATIONAL-SPECTRA; MOLECULES; GEOMETRIES; SCF3; DIFLUORIDES; SCANDIUM; HALIDES; YF3;
D O I
10.1134/S0036024418050242
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
New calculations of the functions for YF3 and Y2F6 in the gas phase using quantum-chemical calculations by MP2 and CCSD(T) methods are performed in connection with the ongoing work on obtaining reliable thermodynamic data of yttrium halides. The obtained values are entered in the database of the IVTANTERMO software complex. Equations approximating the temperature dependence of the reduced Gibbs energy in the T - 298.15-6000 K range of temperatures are presented.
引用
收藏
页码:836 / 839
页数:4
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