Manganese Vanadate Chemistry in Hydrothermal BaF2 Brines: Ba3Mn2(V2O7)2F2 and Ba7Mn8O2(VO4)2F23 | Zendy

Liurukara D. Sanjeewa | Zendy; Colin D. McMillen | Zendy; Michael A. McGuire | Zendy; Joseph W. Kolis | Zendy

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Manganese Vanadate Chemistry in Hydrothermal BaF₂ Brines: Ba₃Mn₂(V₂O₇)₂F₂ and Ba₇Mn₈O₂(VO₄)₂F₂₃

Author(s) -

Liurukara D. Sanjeewa,

Colin D. McMillen,

Michael A. McGuire,

Joseph W. Kolis

Publication year - 2016

Publication title -

inorganic chemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.348

H-Index - 233

eISSN - 1520-510X

pISSN - 0020-1669

DOI - 10.1021/acs.inorgchem.6b02355

Subject(s) - vanadate , manganese , chemistry , octahedron , hydrothermal circulation , crystallography , antiferromagnetism , hydrothermal synthesis , tetrahedron , group (periodic table) , trigonal crystal system , inorganic chemistry , crystal structure , condensed matter physics , physics , geology , organic chemistry , seismology

Manganese vanadate fluorides were synthesized using high-temperature hydrothermal techniques with BaF 2 as a mineralizer. Ba 3 Mn 2 (V 2 O 7 ) 2 F 2 crystallizes in space group C2/c and consists of dimers built from edge-sharing MnO 4 F 2 rigonal prisms with linking V 2 O 7 groups. Ba 7 Mn 8 O 2 (VO 4 ) 2 F 23 crystallizes in space group Cmmm, with a manganese oxyfluoride network built from edge- and corner-sharing Mn 2+/3+ (O,F) 6 octahedra. These octahedra form alternating Mn 2+ and Mn 2+/3+ layers separated by VO 4 etrahedra. This latter compound exhibits a canted antiferromagnetic order below T N = 25 K.

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