Ultraviolet photoelectron spectroscopy of the hydrogen bonded heterodimer H2S···HCl

Ananthavel, S. P. ; Pradeep, T. ; Hegde, M. S. (1992) Ultraviolet photoelectron spectroscopy of the hydrogen bonded heterodimer H2S···HCl Spectrochimica Acta Part A: Molecular Spectroscopy, 48 (11-12). pp. 1795-1799. ISSN 0584-8539

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Official URL: http://linkinghub.elsevier.com/retrieve/pii/058485...

Related URL: http://dx.doi.org/10.1016/0584-8539(92)80254-T

Abstract

The HeI photoelectron spectrum of the hydrogen bonded hetero-dimer H2S···HCl shows two vertical ionization energies at 10.91 and 12.16 eV. Ab initio MO calculations reveal that these features are due to the sulphur and chlorine lone pair ionizations respectively. Results show that while the ground ionic state is repulsive the first excited ionic state is strongly bound. The photoelectron spectrum of the diethyl sulphide···HCl complex is similar to that of H2S···HCl.

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