Syntheses and Crystal Structures of Ca 3 Fe 2 (SeO 3 ) 6  and Sr 3 Fe 2 (SeO 3 ) 6 | Zendy

Giester Gerald | Zendy

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Syntheses and Crystal Structures of Ca 3 Fe 2 (SeO 3 ) 6 and Sr 3 Fe 2 (SeO 3 ) 6

Author(s) -

Giester Gerald

Publication year - 1996

Publication title -

zeitschrift für anorganische und allgemeine chemie

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.354

H-Index - 66

eISSN - 1521-3749

pISSN - 0044-2313

DOI - 10.1002/zaac.19966221025

Subject(s) - octahedron , crystallography , crystal structure , trigonal crystal system , group (periodic table) , crystal (programming language) , ion , materials science , polyhedron , x ray crystallography , single crystal , diffraction , aqueous solution , chemistry , physics , combinatorics , mathematics , organic chemistry , computer science , programming language , optics

The new compounds M 3 Fe 2 (SeO 3 ) 6 (M = Ca, Sr) were obtained as crystalline precipitates from aqueous solutions of the respective ions, kept in Teflon‐coated vessels at a temperature of 227(2)°C for several days. The crystal data are: space group R 3 c, a = 8.531(2), 8.802(2) Å; c = 38.89(1), 39.00(1) Å; V = 2451.1, 2616.7 Å 3 , Z = 6. The crystal structures have been refined by single‐crystal X‐ray diffraction methods to R1 = 0.021, 0.023; wR2 = 0.038, 0.039. The framework structure is built up by two types of FeO 6 octahedra as well as by MO 8 groups and SeO 3 trigonal pyramids by corner‐ and edge‐linkage of the polyhedra.

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