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Synthesis and Crystal Structure of the Electron-Rich Cyano-Rhodate Ba3[Rh(CN)3]

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Jach,  Franziska
Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

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Höhn,  Peter
Peter Höhn, Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

/persons/resource/persons126806

Prots,  Yurii
Yuri Prots, Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

/persons/resource/persons126823

Ruck,  Michael
Michael Ruck, Max Planck Fellow, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

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Citation

Jach, F., Höhn, P., Prots, Y., & Ruck, M. (2015). Synthesis and Crystal Structure of the Electron-Rich Cyano-Rhodate Ba3[Rh(CN)3]. Zeitschrift für anorganische und allgemeine Chemie, 641, 998-1001. doi:10.1002/zaac.201500122.


Cite as: https://hdl.handle.net/11858/00-001M-0000-0027-A4E7-4
Abstract
Brownish gray microcrystalline powders of Ba-3[Rh(CN)(3)] were synthesized from pellets of mixtures of Ba2N, rhodium, NaCN, and graphite at 1070 K in an argon atmosphere. Synchrotron powder diffraction data at 293(1) K revealed the crystal structure of the compound [P6(3)/m, a = 9.23266(7) angstrom, c = 5.81612(6) angstrom] is isostructural to Ba-3[Co(CN)(3)] and Ba-3[Ir(CN)(3)]. The trigonal-planar complex [Rh(CN)(3)](6-) is surrounded by nine Ba2+ cations forming a tri-capped trigonal prism. Compared to typical cyano ligands, the C-N bond is long [1.21(5) angstrom] and the vibrational frequencies are low (IR 1674 cm(-1), Raman 1728 cm(-1)).