THEORETICAL STUDIES OF $\tilde{A}{}^1 A^{\prime\prime}\to\tilde{X}{}^1 A^\prime$ RESONANCE EMISSION SPECTRA OF HCN/DCN USING SINGLE LANCZOS PROPAGATION METHOD-Reference-Cited by-同舟云学术

THEORETICAL STUDIES OF $\tilde{A}{}^1 A^{\prime\prime}\to\tilde{X}{}^1 A^\prime$ RESONANCE EMISSION SPECTRA OF HCN/DCN USING SINGLE LANCZOS PROPAGATION METHOD

Published:2003-12 Issue:04 Volume:02 Page:639-648
ISSN:0219-6336
Container-title:Journal of Theoretical and Computational Chemistry
language:en
Short-container-title:J. Theor. Comput. Chem.

Author:

XU DINGGUO¹,GUO HUA¹,XIE DAIQIAN²

Affiliation:

1. Department of Chemistry, University of New Mexico, Albuquerque, NM 87131, USA

2. Department of Chemistry and Institute of Theoretical and Computational Chemistry, Nanjing University, Nanjing, Jiangsu, China

Abstract

Using an efficient single Lanczos propagation method, we report the [Formula: see text] resonance emission spectra of HCN and DCN from a number of low-lying vibrational levels of the Ã-state manifold. Our calculations represent the first such undertaking in which a high-quality ab initio based potential energy surface of the excited (Ã1 A″) state and a [Formula: see text] transition dipole surface were used. The results show a significant improvement over previous theoretical work in reproducing experimental stimulated emission pumping spectra of HCN. The improved theory-experiment agreement is attributed to the accurate Ã-state potential energy surface, while the impact of the transition dipole function was found to be relatively minor.

Publisher

World Scientific Pub Co Pte Lt

Subject

Computational Theory and Mathematics,Physical and Theoretical Chemistry,Computer Science Applications

Link

https://www.worldscientific.com/doi/pdf/10.1142/S0219633603000707

Reference58 articles.

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