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ChemInform Abstract: Dimeric and Polymeric Pnictidostannate(IV) Anions — Preparation and Crystal Structures of Na2K3[SnP3], Na2Cs3[SnP3] and Na2K3[SnBi3].

✍ Scribed by M. ASBRAND; B. EISENMANN; H. ENGELHARDT; U. ROESSLER

Publisher
John Wiley and Sons
Year
2010
Weight
33 KB
Volume
29
Category
Article
ISSN
0931-7597

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✦ Synopsis

The title compounds are prepared from melts of mixtures of the elements. The isotypic [SnP 3 ] compounds crystallize in the orthorhombic system (space group Cmca, Z = 8) as determined by single crystal XRD, and contain dimeric [Sn 2 P 6 ] 10-anions formed by edge-sharing of two SnP 4 tetrahedra. Na 2 K 3 [SnBi 3 ] crystallizes in the orthorhombic system with space group Ibca and Z = 8. In the anionic partial structure [SnBi 4 ] tetrahedra are connected via common corners to infinite 1 ∞[SnBi3] 5-Zweier-single chains. The Na and K cations separate the chains from each other.

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ChemInform Abstract: 1∞[Sn3/3] Tubes and AuSn3 Building Units: Synthesis and Crystal Structure of Na2AuSn3.
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