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Synthesis, crystal structure and thermal decomposition of the new cadmium selenite chloride, Cd4(SeO3)2OCl2.

ABSTRACT: A synthetic study in the Cd-Se-O-Cl system led to formation of the new oxochloride compound Cd4(SeO3)2OCl2 via solid state reactions. The compound crystallizes in the orthorhombic space group Fmmm with cell parameters a?=?7.3610(3) Å, b?=?15.4936(2) Å, c?=?17.5603(3) Å, Z?=?8, S?=?0.969, F(000)?=?2800, R?=?0.0185, Rw?=?0.0384. Single crystal X-ray data were collected at 293 K. The crystal structure can be considered as layered and the building units are distorted [Cd(1)O6] octahedra, distorted [Cd(2)O8] cubes, irregular [Cd(3)O4Cl2] polyhedra and SeO3E trigonal pyramids. There are two crystallographically unique Cl atoms that both are half occupied. Thermogravimetric studies show that the compound starts to decompose at 500°C. The crystal structure of the new compound is closely related to the previously described compound Cd4(SeO3)2Cl4(H2O).

SUBMITTER: Rabbani F

PROVIDER: S-EPMC4028199 | biostudies-literature | 2014

REPOSITORIES: biostudies-literature

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Synthesis, crystal structure and thermal decomposition of the new cadmium selenite chloride, Cd4(SeO3)2OCl2.

Rabbani Faiz F Ajaz Humayun H Zimmermann Iwan I Johnsson Mats M

PloS one 20140520 5

A synthetic study in the Cd-Se-O-Cl system led to formation of the new oxochloride compound Cd4(SeO3)2OCl2 via solid state reactions. The compound crystallizes in the orthorhombic space group Fmmm with cell parameters a = 7.3610(3) Å, b = 15.4936(2) Å, c = 17.5603(3) Å, Z = 8, S = 0.969, F(000) = 2800, R = 0.0185, Rw = 0.0384. Single crystal X-ray data were collected at 293 K. The crystal structure can be considered as layered and the building units are distorted [Cd(1)O6] octahedra, distorted [ ...[more]

PMID: 24844633

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