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Journal of Structural Chemistry

2013 year, number 1

UNUSUAL CRYSTAL AND MOLECULAR STRUCTURE OF TRIS(2-HYDROXYETHYL)AMMONIUM FLUORIDE

M. G. Voronkov, A. A. Korlyukov, T. A. Kochina, Г€. A. Zel’bst
Keywords: tris(2-hydroxyethyl)ammonium halides, protatranes, molecular structure, single crystal X‑ray diffraction study

Abstract

According to the X‑ray diffraction data, the crystal and molecular structure of tris(2-hydroxyethyl) ammonium fluoride (FN+H(CH2CH2OH)3, fluoroprotatrane, substantially differs from other halo protatranes XN+H(CH2CH2OH)3 (X = Cl, Br, and I). At X = F, to the endo-molecular LP of the nitrogen atom the HF molecule having the minimum ionic radius in a series of X anions is bonded. The geometry of fluoroprotatrane and the cation packing in the crystal are analyzed.