Document Type

Article

Publication Date

4-2011

Publication Source

Acta Crystallographica Section C: Crystal Structure Communications

Abstract

The title compound, sodium bis­(6-carb­oxy-1-hy­droxy-3-oxo-1,3-dihydro-2,1-benzoxaborol-1-yl)oxidanium, Na+·C16H15B2O13-, was prepared in two steps from 2-bromo-p-xylene. Its crystal structure was determined at 140 K and has triclinic (P) symmetry. The compound presents a unique structural motif, including two units of the cyclic anhydride of boronoterephthalic acid, joined by a protonated, and thereby trivalent, oxonium center. Association in the crystal is realized by complementary hydrogen bonding of the carboxyl groups, as well as by coordination of the sodium cations to the oxygen centers on the five-membered rings.

Inclusive pages

m123-m125

ISBN/ISSN

0108-2701

Document Version

Published Version

Comments

The document available for download is posted here in compliance with the publisher's policy on self-archiving.

Permission documentation is on file.

Publisher

International Union of Crystallography

Volume

C67

Peer Reviewed

yes