✦ LIBER ✦

The crystal and molecular structure of phosphoenolpyruvic acid

✍ Scribed by Andrzej Weichsel; Tadeusz Lis; Marian Kuczek

Publisher: Elsevier Science
Year: 1989
Tongue: English
Weight: 416 KB
Volume: 194
Category: Article
ISSN: 0008-6215
DOI: 10.1016/0008-6215(89)85006-2

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✦ Synopsis

Phosphoenolpyruvic

acid crystals, obtained by slow concentration of an aqueous solution, are triclinic, space group Pi, with a = 5.905( 5), b = 8.135(B), c = 14.095(15) A, a = 104.70(8), p = 97.72(8), y = 100.99(8)", and Z = 4. Two crystallographically independent phosphoenolpyruvic acid molecules differ in the orientation of the phosphate group relative to the enolpyruvate moiety. The phosphate groups have different tetrahedral distortions, and their P-O(ester) bondlengths are 1.578(3) and 1.583(3) A. All OH groups are involved in intermolecular hydrogen bonds.

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