Syntheses and Crystal Structure of Hg 7P 4Br 6
Abstract
The mercury phosphide-bromide Hg 7P 4Br 6 has been synthesized and its structure has been refined based on single-crystal X-ray measurements to R = 0.064 and Rw = 0.065. The compound crystallizes in the space group P2 1/ c of the monoclinic system with two formula units in a cell of dimensions a = 6.0452(7), b = 19.848(2), c = 7.5596(8) Å and β = 104.214(9)°. The structure is built of Hg 6 octahedra filled with P 4-2 dumbbells. The octahedra share 5 vertices of 6 with neighboring octahedra forming a three-dimensional network. The relationship between the structures of Hg 7P 4Br 6 and Hg 7Sb 4Br 6 is discussed.
- Publication:
-
Journal of Solid State Chemistry France
- Pub Date:
- June 1993
- DOI:
- 10.1006/jssc.1993.1151
- Bibcode:
- 1993JSSCh.104..177S