Sub-microhartree accuracy potential energy surface for H3+ including adiabatic and relativistic effects.: II.: Rovibrational analysis for H3+ and D3+

被引:100
作者
Jaquet, R [1 ]
Cencek, W
Kutzelnigg, W
Rychlewski, J
机构
[1] Univ Siegen, D-57068 Siegen, Germany
[2] Ruhr Univ Bochum, Lehrstuhl Theoret Chem, D-44780 Bochum, Germany
[3] Adam Mickiewicz Univ, Dept Chem, Quantum Chem Grp, PL-60780 Poznan, Poland
[4] Poznan Supercomp & Networkign Ctr, PL-61712 Poznan, Poland
关键词
D O I
10.1063/1.475703
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
The 69 potential energy points of H-3(+) computed by Cencek et al. [J. Chem. Phys., 108, 2831 (1998), preceding paper] have been fitted to an analytical potential energy surface (PES). Rovibrational frequencies have been derived for the symmetric H-3(+) and D-3(+) isotopomers. A comparison with experiment shows residual discrepancies of a few tenths of cm(-1) which can be ascribed mainly to nonadiabatic effects. (C) 1998 American Institute of Physics.
引用
收藏
页码:2837 / 2846
页数:10
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