Matrix isolated II-VI molecules: Sulfides of Mg, Ca, Sr, Zn and Cd

作     者：Martin, T.P. Schaber, Helmut 

作者机构：Max-Planck-Institut für Festkörperforschung 7 Stuttgart 80 Federal Republic of Germany 

出 版 物：《Spectrochimica Acta Part A: Molecular Spectroscopy》 (Spectrochim. Acta Part A Mol. Spectrosc.)

年 卷 期：1982年第38卷第6期

页      面：655-660页

摘      要：Infrared absorption spectra are reported for the molecules MS, MS2 and M2S, where M is Zn, Cd, Mg, Ca or Sr. All of these molecules are unstable in a high temperature vapor. Vapor in equilibrium with solid CaS and SrS contains predominately metal and sulfur atoms. In this investigation the atoms were combined in a low temperature argon matrix in order to form stable molecules. The vapor above ZnS, CdS and MgS contains metal atoms and S2 molecules. A two stage oven was used to further dissociate the S2 molecules into atomic sulfur. The triatomic alkaline earth sulfide molecules appear to have the configurations M-S-M and S-M-S. These structures and the vibrational frequencies are fairly well explained using an ionic interatomic potential derived from the diatomic molecule. ZnS2 and CdS2, on the other hand, appear to have the structure M-S-S. © 1982.