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Tetra-bromido-[4-(triphenyl-phosphanyl-oxy)but-yl]tellurium acetonitrile monosolvate.

ABSTRACT: In the title compound, [TeBr(4)(C(22)H(23)OP)]·CH(3)CN, the Te atom exhibits a square-pyramidal coordination with an apical Te-C bond and four basal Te-Br bonds. The conformation of the aliphatic C-C-C-C chain is gauche [torsion angle = -67.7?(8)°]. A weak C-H?Br inter-action helps to establish the conformation. In the crystal, there is a weak secondary bonding inter-action [Te?N = 3.456?(11)?Å] between the Te atom and the N atom of the solvent mol-ecule, which completes a distorted TeNCBr(4) octa-hedron. Inversion dimers linked by pairs of C-H?Br inter-actions are also observed.

SUBMITTER: Narhi SM

PROVIDER: S-EPMC3569187 | biostudies-literature | 2013 Feb

REPOSITORIES: biostudies-literature

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Tetra-bromido-[4-(triphenyl-phosphanyl-oxy)but-yl]tellurium acetonitrile monosolvate.

Närhi Sari M SM Oilunkaniemi Raija R Laitinen Risto S RS

Acta crystallographica. Section E, Structure reports online 20130109 Pt 2

In the title compound, [TeBr(4)(C(22)H(23)OP)]·CH(3)CN, the Te atom exhibits a square-pyramidal coordination with an apical Te-C bond and four basal Te-Br bonds. The conformation of the aliphatic C-C-C-C chain is gauche [torsion angle = -67.7 (8)°]. A weak C-H⋯Br inter-action helps to establish the conformation. In the crystal, there is a weak secondary bonding inter-action [Te⋯N = 3.456 (11) Å] between the Te atom and the N atom of the solvent mol-ecule, which completes a distorted TeNCBr(4) oc ...[more]

PMID: 23424431

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