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The structure of the title compound, 1,4-C6H4[PO(C6H5)2]2 (C30H24O2P2), is the first to be reported of a phenylenebis(phosphine oxide). The molecule lies about an inversion centre and the unique P atom has a distorted tetrahedral environment; P=O 1.489 (3), average P—C 1.812 (4) Å, average C—P—C 106.9 (8) and average O—P—C 112.0 (2)°. The structure is stabilized by C—H...O intermolecular hydrogen bonds.

Supporting information

cif

Crystallographic Information File (CIF)
Contains datablocks napo, 1247fg

sft

Structure factor file (SHELXL table format)
Supplementary material

CCDC reference: 128586

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