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1,1'-Binaphthalene-2,2'-diyl hydrogen phosphate

Nayak, Susanta K and Chandrasekhar, S and Row, Guru TN (2008) 1,1'-Binaphthalene-2,2'-diyl hydrogen phosphate. In: Acta Crystallographica Section E - Structure Reports Online, E64 . o256-o256.


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The title compound, racemic bnppa, $C_{20}H_{13}O_4P$, crystallizes with four molecules in the asymmetric unit. Two independent centrosymmetric $O-H...O$ hydrogen-bonded tetramers, each involving two of the symmetry-independent molecules in the asymmetric unit generate the packing motif in the crystal structure. The hydrophobic parts of the tetramers connect to their neighbours via $C—H...\pi$ and \pi - \pi interactions [3.899 (2), 3.895 (2) and 3.803 (2) \AA within the symmetric unit, 3.851 (2), 4.000 (2), 3.988 (2) and 3.905 (2) \AA across centres of symmetry].

Item Type: Journal Article
Publication: Acta Crystallographica Section E - Structure Reports Online
Publisher: International Union of Crystallography
Additional Information: Copyright of this article belongs to International Union of Crystallography.
Keywords: single-crystal X-ray study;T = 292 K;mean \sigma(C–C) = 0.005 A°;R factor = 0.068;wR factor = 0.160;data-to-parameter ratio = 13.6.
Department/Centre: Division of Chemical Sciences > Solid State & Structural Chemistry Unit
Division of Chemical Sciences > Organic Chemistry
Date Deposited: 13 Jun 2008
Last Modified: 19 Sep 2010 04:45
URI: http://eprints.iisc.ac.in/id/eprint/14295

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