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Bonding in Some Zintl Phases: A Study by Tin-119 Mössbauer Spectroscopy

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Asbrand, M., Berry, F. J., Eisenmann, B., Kniep, R., Smart, L. E., & Thied, R. C. (1995). Bonding in Some Zintl Phases: A Study by Tin-119 Mössbauer Spectroscopy. Journal of Solid State Chemistry, 118(2), 397-401. doi:10.1006/jssc.1995.1360.


Cite as: http://hdl.handle.net/11858/00-001M-0000-0019-BA95-9
Abstract
The Sn-119 Mossbauer parameters for a range of Zintl phase compounds are reported. The compounds containing tetrahedrally coordinated tin of composition M(5)SnX(3) (M = Na, K; X = P, As, Sb) have chemical isomer shifts close to that of grey-tin and can be considered to be covalently bonded species. The layer structures of composition KSnX (X = As, Sb) and double-layer compounds MSn(2)X(2) (M = Na, Sr; X = As, Sb) have tin in a distorted octahedral environment. The chemical isomer shifts are closer to that of white-tin and can be interpreted in terms of metallic bonding. (C) 1995 Academic Press, Inc.