Theoretical studies of XONO2-H2O (X = Cl, H) complexes

The equilibrium structures, harmonic vibrational frequencies and binding energies of ClONO2-H2O and HONO2-H2O complexes have been investigated with ab initio MP2 and density functional B3LYP methods. The B3LYP method performs better than MP2 methods in predicting the vibrational frequencies of both...

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Bibliographic Details
Published in:The Journal of Physical Chemistry A
Main Authors: Ying, LM, Zhao, XS
Other Authors: BEIJING UNIV,DEPT CHEM,BEIJING 100871,PEOPLES R CHINA.
Format: Journal/Newspaper
Language:English
Published: journal of physical chemistry a 1997
Subjects:
DENSITY-FUNCTIONAL THERMOCHEMISTRY
CHLORINE NITRATE
NITRIC-ACID
ANTARCTIC STRATOSPHERE
AB-INITIO
HETEROGENEOUS REACTIONS
VIBRATIONAL-SPECTRUM
MOLECULAR-STRUCTURE
HYDROGEN-CHLORIDE
OZONE HOLE
Antarctic
Antarc*
Online Access:https://hdl.handle.net/20.500.11897/257928
https://doi.org/10.1021/jp970022g
Description
Summary:The equilibrium structures, harmonic vibrational frequencies and binding energies of ClONO2-H2O and HONO2-H2O complexes have been investigated with ab initio MP2 and density functional B3LYP methods. The B3LYP method performs better than MP2 methods in predicting the vibrational frequencies of both ClONO2 and HONO2. It is found that the ClONO2-H2O complex possesses a near C-s symmetry structure. The ZPE corrected binding energies determined at B3LYP/6-311++G(2df,2p) level for ClONO2-H2O and HONO2-H2O complexes are 2.2 and 7.2 kcal mol(-1), respectively. A possible surface based heterogeneous reaction mechanism of ClONO2 on water-ice surface is proposed. Chemistry, Physical Physics, Atomic, Molecular & Chemical SCI(E) EI 29 ARTICLE 36 6807-6812 101

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