Dibenzylazanium (oxalato-κ2O,O′)triphenylstannate(IV)

Ndongo Gueye, Libasse Diop, Kieran C. Molloy, Gabrielle Kociok-köhn

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

The title compound, (C14H16N)[Sn(C6H5)3(C2O2)], was synthesised by allowing C2O4(Bz2NH2)2 (Bz = benzyl) to react with SnPh3Cl. The asymmetric unit is built up by four SnPh3C2O4 anions and four Bz2NH2 cations which are related by a pseudo-inversion centre. Each SnIV cation is five-coordinated by the three phenyl groups and two O atoms belonging to the chelating oxalate ligand; the coordination geometry is that of a distorted trigonal bipyramid. Anions and cations are linked through N-H...O hydrogen bonds into a layer structure parallel to (001). Moreover, the anion-cation pairs are associated by two bifurcated N-H...O hydrogen bonds, generating pseudo-dimers. One of the phenyl groups of one anion is disordered over two sets of sites in a 0.69:0.31 ratio. The Flack parameter value of 0.44 (1) indicates racemic twinning.
Original languageEnglish
Pages (from-to)m854-m855
JournalActa Crystallographica Section E-Structure Reports Online
Volume68
Issue number6
DOIs
Publication statusPublished - 15 Jun 2012

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Anions
Cations
Negative ions
Positive ions
anions
cations
Hydrogen bonds
hydrogen bonds
Oxalates
Twinning
oxalates
twinning
Chelation
Dimers
Ligands
dimers
inversions
Atoms
ligands
Geometry

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Dibenzylazanium (oxalato-κ2O,O′)triphenylstannate(IV). / Gueye, Ndongo; Diop, Libasse; Molloy, Kieran C.; Kociok-köhn, Gabrielle.

In: Acta Crystallographica Section E-Structure Reports Online, Vol. 68, No. 6, 15.06.2012, p. m854-m855.

Research output: Contribution to journalArticle

Gueye, Ndongo ; Diop, Libasse ; Molloy, Kieran C. ; Kociok-köhn, Gabrielle. / Dibenzylazanium (oxalato-κ2O,O′)triphenylstannate(IV). In: Acta Crystallographica Section E-Structure Reports Online. 2012 ; Vol. 68, No. 6. pp. m854-m855.
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AB - The title compound, (C14H16N)[Sn(C6H5)3(C2O2)], was synthesised by allowing C2O4(Bz2NH2)2 (Bz = benzyl) to react with SnPh3Cl. The asymmetric unit is built up by four SnPh3C2O4 anions and four Bz2NH2 cations which are related by a pseudo-inversion centre. Each SnIV cation is five-coordinated by the three phenyl groups and two O atoms belonging to the chelating oxalate ligand; the coordination geometry is that of a distorted trigonal bipyramid. Anions and cations are linked through N-H...O hydrogen bonds into a layer structure parallel to (001). Moreover, the anion-cation pairs are associated by two bifurcated N-H...O hydrogen bonds, generating pseudo-dimers. One of the phenyl groups of one anion is disordered over two sets of sites in a 0.69:0.31 ratio. The Flack parameter value of 0.44 (1) indicates racemic twinning.

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