A Keggin‐Type Structure Expanded by an Eight‐Membered Ring of Alternating Edge‐Sharing VO 5  and VO 6  Polyhedra: Solvothermal Synthesis, Crystal Structure, and Magnetic Properties | Zendy

Rasmussen Maren | Zendy; Näther Christian | Zendy; van Leusen Jan | Zendy; Kögerler Paul | Zendy; Bensch Wolfgang | Zendy

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A Keggin‐Type Structure Expanded by an Eight‐Membered Ring of Alternating Edge‐Sharing VO 5 and VO 6 Polyhedra: Solvothermal Synthesis, Crystal Structure, and Magnetic Properties

Author(s) -

Rasmussen Maren,

Näther Christian,

van Leusen Jan,

Kögerler Paul,

Bensch Wolfgang

Publication year - 2015

Publication title -

european journal of inorganic chemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.667

H-Index - 136

eISSN - 1099-0682

pISSN - 1434-1948

DOI - 10.1002/ejic.201500286

Subject(s) - chemistry , antiferromagnetism , delocalized electron , crystallography , octahedron , ring (chemistry) , cluster (spacecraft) , crystal structure , solvothermal synthesis , polyhedron , spins , magnetic susceptibility , condensed matter physics , physics , geometry , mathematics , organic chemistry , computer science , programming language

The new tungstovanadate (trenH) 2 (trenH 2 ) 2 [W 4 V 13 O 44 ] · ca.11H 2 O was prepared under solvothermal conditions in a basic solution at pH ≈ 12. The cluster core contains V IV /V V centers with delocalized spins exhibiting strong antiferromagnetic exchange interactions as evidenced by temperature‐dependent magnetic susceptibility measurements pointing to an S = 1/2 magnetic ground state. The structure features an eight‐membered ring composed of four alternating edge‐sharing VO 5 pyramids and VO 6 octahedra encapsulating a central Keggin fragment.

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