Molecular energies of the improved Rosen-Morse potential energy model

被引：51
作者：
Liu, Jian-Yi [1 ]
Hu, Xue-Tao [2 ]
Jia, Chun-Sheng [1 ]
机构：
[1] Southwest Petr Univ, State Key Lab Oil & Gas Reservoir Geol & Exploita, Chengdu 610500, Peoples R China
[2] Southwest Petr Univ, Sch Petr Engn, Chengdu 610500, Peoples R China
来源：
CANADIAN JOURNAL OF CHEMISTRY-REVUE CANADIENNE DE CHIMIE | 2014年 / 92卷 / 01期
基金：
中国国家自然科学基金;
关键词：
Schrodinger equation; improved Rosen-Morse potential model; Morse potential model; Cs-2; molecule; Na-2; INCLUDING CENTRIFUGAL TERM; L-STATE SOLUTIONS; DIATOMIC-MOLECULES; SCHRODINGER-EQUATION; VIBRATIONAL LEVELS; 3(3)SIGMA(+)(G) STATE; APPROXIMATE SOLUTIONS; FACTORIZATION METHOD; GROUND-STATE; CURVES;
D O I：
10.1139/cjc-2013-0396
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
We solve the Schrodinger equation with the improved Rosen-Morse empirical potential energy model. The rotation-vibrational energy spectra and the unnormalized radial wave functions have been obtained. The interaction potential energy curves for the 3(3)Sigma(+)(g) state of the Cs-2 molecule and the 5(1)Delta(g) state of the Na-2 molecule are modeled by employing the improved Rosen-Morse potential and the Morse potential. Favourable agreement for the improved Rosen-Morse potential is found in comparing with the Rydberg-Klein-Rees potential. The vibrational energy levels predicted by using the improved Rosen-Morse potential for the 3(3)Sigma(+)(g) state of Cs-2 and the 5(1)Delta(g) state of Na-2 are in better agreement with the Rydberg-Klein-Rees data than the predictions of the Morse potential.
引用
收藏
页码：40 / 44
页数：5
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