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Updated: Jun 9, 2026

A Microfluidic Approach for the Study of Ice and Clathrate Hydrate Crystallization
Published on: August 18, 2022
Calorimetric and structural studies of tetrabutylammonium chloride ionic clathrate hydrates
T Rodionova1, V Komarov, G Villevald
1Nikolaev Institute of Inorganic Chemistry SB RAS, 3, Acad. Lavrentieva Avenue, Novosibirsk, 630090. tvr@niic.nsc.ru
Abstract:
Three ionic clathrate hydrates of different water content are formed in the binary system tetrabutylammonium chloride-water. The data on heats of fusion of these hydrates measured by DSC are presented. Single-crystal and powder X-ray diffraction studies of ionic clathrate hydrates of tetrabutylammonium chloride have been carried out. Structural justification of the occurrence of three different ionic clathrate hydrates derived from tetragonal structure-I in the (C(4)H(9))(4)NCl-H(2)O system has been found for the first time. A novel mode of hydrophilic inclusion of the halide anion with displacement of two hydrogen-bonded host water molecules has been revealed. Structural data obtained are indicative of the possibility of location of tetrabutylammonium cations in combined cavities formed with participation of D-voids.
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