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Hg4O3[ReO4]2, Featuring a 2D Polycationic Framework [Hg4O3]2+ with Tetrahedral Rhenate(VII) Anions Embedded

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Prasad,  Beluvalli E.
Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

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Felser,  Claudia
Claudia Felser, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

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Jansen,  Martin
Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

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Citation

Prasad, B. E., Nuss, J., Felser, C., & Jansen, M. (2016). Hg4O3[ReO4]2, Featuring a 2D Polycationic Framework [Hg4O3]2+ with Tetrahedral Rhenate(VII) Anions Embedded. Zeitschrift für anorganische und allgemeine Chemie, 642, 1359-1363. doi:10.1002/zaac.201600343.


Cite as: http://hdl.handle.net/11858/00-001M-0000-002C-AFA9-9
Abstract
New Hg4O3[ReO4](2) was obtained via low temperature synthesis, at 65-70 degrees C. The coarse crystalline, single phase product is pale yellow, starts to decompose at 540 degrees C and sublimes without leaving behind any solid residue at 685 degrees C in an argon atmosphere. Its crystal structure [P2(1)/n (14), a = 7.0104(10), b = 12.5046(18), c = 12.1692(18) angstrom, beta = 91.838(3)degrees, Z = 4] can be rationalized as a stuffed HgRe2 sub lattice, adopting the MgZn2 Laves phase arrangement. The resulting structure after inserting the oxygen atoms consists of heavily corrugated 2D polycationic Hg/O networks stacked along [001] with the tetrahedral oxorhenate(VII) anions accommodated in the folds of individual layers.