期刊
ACTA CRYSTALLOGRAPHICA SECTION E-STRUCTURE REPORTS ONLINE
卷 59, 期 -, 页码 O209-O211出版社
INT UNION CRYSTALLOGRAPHY
DOI: 10.1107/S160053680202295X
关键词
single-crystal X-ray study; T=123 K; mean sigma(C-C)=0.003 angstrom; R factor=0.045; wR factor=0.146; data-to-parameter ratio=14.8
In the title compound, C9H12NO2+.C4H3O4-, the amino acid molecule exists in the cationic form with a positively charged amino group and an uncharged carboxylic acid group. The maleic acid molecules exits in the mono-ionized state. In the semi-maleate anion, the intramolecular O-H...O hydrogen bond is asymmetric. The phenylalaninium cations and the semi-maleate anions form hydrogen-bonded double layers, linked together by N-H...O and O-H...O hydrogen bonds, extending along [101].
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