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A One-Dimensional Polymeric Form of the Polycation Te82+ in the Structure of Te8[Bi4Cl14]
-
Johannes Beck
and
Alexander Stankowski
Published/Copyright:
June 2, 2014
Abstract
The reaction of Te, TeCl4 and BiCl3 in a sealed evacuated glass ampoule in a temperature gradient 160 to 90 °C yields Te8[Bi4Cl14] as black platelike crystals with a golden lustre which are deposited in the temperature zone 150 to 130 °C. The best yield is obtained with a Te/TeCl4/BiCl3 molar ratio of 15/3/4. The crystal structure determination (orthorhombic, P212121, a = 879.9(3), b = 1642.3(4), c = 2267.3(8) pm, Z = 4) shows that Te8[Bi4Cl14] consists of a novel one-dimensional (Te82+)„ polycation and a two-dimensional chlorobismutate anion Bi4Cl142-. The structure of the cation consists of boat shaped Te6 rings which are connected in the 1,4-positions by Te2 groups to a one-dimensional polymeric strand. The structure is substantially different from the previously reported Te82+ polycations in Te8[WCl6]2 and Te8[MCl6] (M = Zr, Hf, Re) where discrete bicyclic clusters with only weak interionic interactions are present. The Bi4Cl142- ion can be described as built up of BiCl3 molecules which are connected by Cl- ions to a two-dimensional network [(BiCl3)4(Cl-)2]n.
Received: 2001-3-9
Published Online: 2014-6-2
Published in Print: 2001-6-1
© 1946 – 2014: Verlag der Zeitschrift für Naturforschung
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Keywords for this article
catena-Octatellurium(2+);
Main Group Element Clusters;
Chalcogen Polycations
Articles in the same Issue
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- Preparation and Structure of Cyclic Gallium(III) and Gallium(II) 2-Amino-ethyl-amides
- New Metal-Rich Compounds NblrSi, NblrGe, and TalrSi -Synthesis, Structure, and Magnetic Properties
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- Wechselwirkungen in Molekülkristallen, 175 [1, 2]. Kristallzüchtung und Strukturbestimmung von {Cäsium-tetraphenylimido- diphosphat}-Aggregaten mit unterschiedlicher lipophiler Umhüllung durch verschiedenartig Methyl-substituierte Phenylringe sowie relativistische DFT-Modellberechnungen zu Cäsium/Cäsium-Wechselwirkungen / Interaction in M olecular Crystals, 175 [1,2]. Crystal Growth and Structure Determination of {Cesium-tetraphenylimidodiphosphate} Aggregates with Differing Lipophilic Wrapping Due to Differently Methyl-Substituted Phenyl Rings, and Relativistic DFT-Model Calculations of Cesium/Cesium Interactions
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