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Synthesis and Crystal Structure of K6

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Synthesis and Crystal Structure of K

6

Mo

10

O

33

Nachiappan Arumugam, Eva-Maria Peters, and Martin Jansen

Max-Planck-Institut f¨ur Festk¨orperforschung, Heisenbergstraße 1, D-70569 Stuttgart, Germany Reprint requests to Prof. Dr. M. Jansen. Fax: +49-(0)711-6891502. E-mail: m.jansen@fkf.mpg.de Z. Naturforsch. 2007, 62b, 1 – 4; received July 28, 2006

A new potassium molybdenum oxide, K6Mo10O33, was synthesized by solid state reaction from the appropriate quantities of pre-dried MoO3 and K2MoO4, fired at around 650◦C for 2 d. The structure has been solved by using single crystal X-ray diffraction. The compound adopts the space group P1, with the lattice constants a = 7.7100(5), b = 11.9659(8), c = 17.1321(12) ˚A,α = 86.42 (10),β= 77.18(10),γ= 74.14(10)◦. The structure is built up of infinite chains of edge-sharing MoO6

octahedra and groups of four MoO6octahedra forming Mo4O17units. These sub-units are connected together by common vertices.

Key words: Potassium, Molybdenum, Oxides, K6Mo10O33, Structure Determination

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