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A mossbauer study of graphite iron chloride compounds

✍ Scribed by J.G. Hooley; M.W. Bartlett; B.V. Liengme; J.R. Sams

Publisher: Elsevier Science
Year: 1968
Tongue: English
Weight: 444 KB
Volume: 6
Category: Article
ISSN: 0008-6223
DOI: 10.1016/0008-6223(68)90012-2

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✦ Synopsis

Mijssbauer spectra show that at 300°K there is electron charge transfer to the iron in the pressure independent compositions C,FeCl, and C,,FeCl,.

The amounts transferred are equal and the electric field at the iron nucleus in each compound is the same as in FeCI,. Furthermore the iron is substantially in only one oxidation state. The C,FeCl, and C,,FeCI, prepared from these by reduction show no charge transfer at 300°K or 80°K and show two quadrupole splittings one of which is the same as the single splitting in FeCI,. When graphite ferric chloride is prepared in an iron bomb, FeCl, is also present in the structure.

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