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Tetra-phenyl-phospho-nium hydrogen oxalate.

ABSTRACT: In the title compound, C(24)H(20)P(+)·C(2)HO(4) (-), two symmetry-independent ion pairs are present. The cations aggregate into puckered sheets via zigzag infinite chains of sixfold phenyl embraces and parallel fourfold phenyl embraces, while the anions form hydrogen-bonded chains between the sheets of cations. In the two independent oxalate anions, the angles between the normals to the two least-squares carboxyl-ate COO planes are unusually large, viz. 72.5?(1) and 82.1?(1)°.

SUBMITTER: Dean PA 

PROVIDER: S-EPMC2915301 | biostudies-literature | 2007 Dec

REPOSITORIES: biostudies-literature

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Tetra-phenyl-phospho-nium hydrogen oxalate.

Dean Philip A W PA   Craig Donald C DC   Scudder Marcia L ML   Dance Ian G IG  

Acta crystallographica. Section E, Structure reports online 20071212 Pt 1

In the title compound, C(24)H(20)P(+)·C(2)HO(4) (-), two symmetry-independent ion pairs are present. The cations aggregate into puckered sheets via zigzag infinite chains of sixfold phenyl embraces and parallel fourfold phenyl embraces, while the anions form hydrogen-bonded chains between the sheets of cations. In the two independent oxalate anions, the angles between the normals to the two least-squares carboxyl-ate COO planes are unusually large, viz. 72.5 (1) and 82.1 (1)°. ...[more]

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