Gupta, Shalabh ; Chen, Ling ; Ganguli, Ashok K. ; Corbett, John D. (2007) Rare-earth metal-rich antimonides: syntheses, structures, and properties of Tm3Sb and Lu7Sb3 Inorganic Chemistry, 46 (6). pp. 2187-2192. ISSN 0020-1669
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Official URL: http://pubs.acs.org/doi/abs/10.1021/ic0619409
Related URL: http://dx.doi.org/10.1021/ic0619409
Abstract
The two most metal-rich lanthanide antimony phases known were obtained from high-temperature solid state syntheses, that for Tm3Sb being of greater difficulty because of its apparent incongruent melting. The Tm3Sb phase crystallizes in the tetragonal space group P42/n (No. 86) with a Ti3P-type (Pearson: tP32) structure, a = 12.2294(5) Å, c = 5.9852(5) Å, and Z = 8. The phase Lu7Sb3 exhibits a Sc7As3-type tetragonal structure, I4/mcm (No. 140) (tI56), with a = 15.5974(7) Å, c = 8.8130(7) Å, and Z = 8. Both structures are described in terms of compact arrays of condensed chains of metal polyhedra (tetrahedral, tetrahedral star, trigonal prismatic, cubic) together with six- to nine-coordinate Sb in metal polyhedra. Magnetic susceptibility data on the paramagnetic Tm3Sb are also reported.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to American Chemical Society. |
| ID Code: | 62016 |
| Deposited On: | 16 Sep 2011 03:55 |
| Last Modified: | 16 Sep 2011 03:55 |
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