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Article
Synthesis and Characterization of the Thiogermanic Acids H4Ge4S10 and H2Ge4S9
The Journal of Physical Chemistry B
Document Type
Article
Disciplines
Publication Date
6-12-2003
DOI
10.1021/jp027313w
Abstract
The synthesis and structure of the thiogermanic acids H4Ge4S10 and H2Ge4S9 are reported. A novel preparation method consisting of reacting germanium oxide with liquid hydrogen sulfide containing a trace amount of water is used to form Ge4S104- ions. Evaporating the hydrogen sulfide solution at room temperature leaves an unstable H4Ge4S10·xH2O product. The stoichiometry and structure of the thermally stable anhydrous phase are dependent on reaction time. An H4Ge4S10 product with an adamantane-like cage structure is obtained at shorter reaction times. Longer reaction times produce an H2Ge4S9 product with a more complex cage unit, a higher symmetry unit cell, and increased thermal stability. Raman, infrared, powder X-ray diffraction, and thermogravimetric data are reported for both structures.
Copyright Owner
American Chemical Society
Copyright Date
2003
Language
en
File Format
application/pdf
Citation Information
Steven A. Poling, Carly R. Nelson, Jacob T. Sutherland and Steve W. Martin. "Synthesis and Characterization of the Thiogermanic Acids H4Ge4S10 and H2Ge4S9" The Journal of Physical Chemistry B Vol. 107 Iss. 23 (2003) p. 5413 - 5418 Available at: http://works.bepress.com/steve_martin/23/
Reprinted with permission from Journal of Physical Chemistry B 107 (2003): 5413–5418, doi:10.1021/jp027313w. Copyright 2003 American Chemical Society.