Crystal structures of the acid salts of some dibasic acids. Part VII. An X-ray study of potassium hydrogen acetylenedicarboxylate: the α-form
- 1 January 1973
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Perkin Transactions 2
- No. 6,p. 703-705
- https://doi.org/10.1039/p29730000703
Abstract
The title compound crystallises with Z= 4 in a cell with a= 7·954, b= 11·926, c= 5·918 Å, β= 105·4°, space group I2/a. The structure, refined to R 6·0% for 796 reflexions, whose intensities were estimated visually, is of Type A2: hydrogen-anions, lying across two-fold axes, are linked into infinite chains by very short hydrogen bonds which also lie across two-fold axes [O ⋯ H ⋯ O 2·445(3)Å].Keywords
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