Racemic Compound

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racemic compound

[rə‚sēm·ik ′käm‚pau̇nd]
(organic chemistry)
Crystals containing an equimolar, random and ordered mixture of enantiomers (heterochiral crystals).
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Racemic Compound


(also racemate), an optically inactive complex consisting of equimolar amounts of optical antipodes. The physical properties of a racemic compound differ from those of the constituent antipodes, and the synthesis of the compound from antipodes is accompanied by a release of heat. In a chemical synthesis in which a new asymmetric atom is formed, racemic compounds are usually obtained. Racemic compounds can be broken down into optically active antipodes by special methods (seeDIASTEREOISOMERS and ISOMERISM).

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.