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Australian Journal of Chemistry Australian Journal of Chemistry Society
An international journal for chemical science
RESEARCH ARTICLE

The Crystal-Structure of Tetraphenylarsonium Tetrachlorooxotechnetate(V)

J Baldas and SF Colmanet

Australian Journal of Chemistry 42(7) 1155 - 1159
Published: 1989

Abstract

The crystal structure of [AsPh4] [TcOCl4] (1) has been determined by X-ray diffraction. Crystals are tetragonal, space group P4/n, a 12.664(1), c 7.822(1) Å , Z = 2. Refinement based on 912 data measured with Cu Ka radiation converged with R 0.059. The structure consists of discrete [AsPh4]+ cations and [TcOCl4]- anions with the technetium atom in a square-pyramidal environment. In contrast to an earlier structural determination of the [TcOCl]-anion in [N(PPh3)2] [TcOCl4], the [TcOCl4]-anion in (1) possesses ideal symmetry. The Tc =O bond length is 1.593(8) Å with Tc -CI 2.309(2) Å.

https://doi.org/10.1071/CH9891155

© CSIRO 1989

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