Acta Crystallographica Section E

Structure Reports Online

Volume 69, Part 7 (July 2013)


organic compounds



kj2224 scheme

Acta Cryst. (2013). E69, o1080    [ doi:10.1107/S1600536813015687 ]

Bis(ethyleneglycolato-[kappa]2O,O')tellurium(IV)

N. R. Brooks, M. Wu, L. Van Meervelt, K. Binnemans and J. Fransaer

Abstract: The title compound, C4H8O4Te, crystallized from a solution of Te4+ in ethylene glycol. The TeIV atom is in a distorted seesaw coordination defined by four O atoms from two different ethyleneglycate ligands. The C atoms of the ethyleneglycate ligands are disorderd over two positions, with population parameters of 50.3 (6) and 49.7 (6)% indicating a statistical distribution. Due to the possibility to transform the primitive monoclinic unit cell into a metrically orthorhombic C unit cell, the data are twinned and were refined with the twin law -100/0-10/101 with the relative scale factor refining to 1.82 (4)% for the minor component.


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