Document Type
Article
Publication Date
6-12-2003
Journal or Book Title
The Journal of Physical Chemistry B
Volume
107
Issue
23
First Page
5413
Last Page
5418
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
Recommended Citation
Poling, Steven A.; Nelson, Carly R.; Sutherland, Jacob T.; and Martin, Steve W., "Synthesis and Characterization of the Thiogermanic Acids H4Ge4S10 and H2Ge4S9" (2003). Materials Science and Engineering Publications. 73.
https://lib.dr.iastate.edu/mse_pubs/73
Comments
Reprinted with permission from Journal of Physical Chemistry B 107 (2003): 5413–5418, doi:10.1021/jp027313w. Copyright 2003 American Chemical Society.