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Acta Crystallogr C. 2000 Aug;56:986-8. doi: 10.1107/s0108270100005862.

Benzyltriphenylphosphonium glutaconaldehyde.

Acta crystallographica. Section C, Crystal structure communications

Muthuraman, Nicoud, Masse, Desiraju

Affiliations

  1. Laboratoire de Cristallographie associe a l'Universite Joseph Fourier, CNRS, BP 166, 38042 Grenoble CEDEX, France.

PMID: 10944298 DOI: 10.1107/s0108270100005862

Abstract

The title compound, C(25)H(22)P(+).C(5)H(5)O(2)(-), crystallizes in space group P2(1)/c. The phosphonium cations form zigzag chains with P.P distances of 6.475 (1) and 8.287 (2) A, and are related by inversion centres. Two types of attractive edge-to-face phenyl interactions exist, resulting in a dominant supramolecular motif. The glutaconaldehyde anions occupy the interchain spacing and hold adjacent chains together via multiple C-H.O hydrogen bonds. The bond-length alternation, a parameter which reveals the non-linear optical efficiency at the molecular level, is optimized in the chromophore anion.

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