Synthesis and Crystal Structure of Ba 4 Mo 2 O 5 F 7 (HF 2 ) 3  · H 2 O | Zendy

Fourquet J. L. | Zendy; Duroy H. | Zendy; CrosnierLopez M. P. | Zendy

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Synthesis and Crystal Structure of Ba 4 Mo 2 O 5 F 7 (HF 2 ) 3 · H 2 O

Author(s) -

Fourquet J. L.,

Duroy H.,

CrosnierLopez M. P.

Publication year - 1997

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.19976230170

Subject(s) - octahedron , crystallography , crystal structure , trigonal crystal system , hydrothermal circulation , x ray crystallography , materials science , hydrothermal synthesis , group (periodic table) , space group , diffraction , chemistry , physics , geology , organic chemistry , seismology , optics

Single crystals of Ba 4 Mo 2 O 5 F 7 (HF 2 ) 3 · H 2 O are grown by hydrothermal synthesis. The structure is determined from X‐Ray diffraction data: space group Pnnm, Z = 4, a = 16.497(1) Å, b = 8.6939(5) Å, c = 11.5174(6) Å (R = 0.0295, R w = 0.0354 for 2425 independent reflections and 126 adjustable parameters). Mo atoms are in a distorted octahedral environment MoO 3 F 3 ; two octahedra are linked by one O 2− corner forming (Mo 2 O 5 F 6 ) 4− units lying along the c axis. Ba atoms present two kinds of environment: a quasi tricapped cube for Ba1 and Ba3 and a tricapped tricapped trigonal prism for Ba2.

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