Potassium hydrogen trans-glutaconate monohydrate at 295, 245 and 40 K, and its rubidium analogue at 298 K

S Kashino; J Taka; T Fukunaga; H Ishida

doi:10.1107/s0108270101003237

Potassium hydrogen trans-glutaconate monohydrate at 295, 245 and 40 K, and its rubidium analogue at 298 K

Acta Crystallogr C. 2001 May;57(Pt 5):549-52. doi: 10.1107/s0108270101003237. Epub 2001 May 15.

Authors

S Kashino¹, J Taka, T Fukunaga, H Ishida

Affiliation

¹ Department of Chemistry, Faculty of Science, Okayama University, Tsushima, Okayama 700-8530, Japan. kashinos@cc.okayama-u.ac.jp

PMID: 11353246
DOI: 10.1107/s0108270101003237

Abstract

A centrosymmetric and short O-H.O hydrogen bond was found in isomorphic crystals of potassium hydrogen trans-glutaconate monohydrate (potassium hydrogen trans-pent-2-ene-1,5-dioate, K(+).C(5)H(5)O(4)(-).H(2)O), (I), and rubidium hydrogen trans-glutaconate monohydrate (rubidium hydrogen trans-pent-2-ene-1,5-dioate, Rb(+).C(5)H(5)O(4)(-).H(2)O), (II). The O.O distance at room temperature is 2.444 (3) A in (I), and 2.417 (4) A in (II). The O.O distance for (I) showed no significant decrease at low temperatures.