Abstract
To the best of our knowledge, this is the first report of the synthesis and characterization of tetramethylammonium fluoridotitanate(IV) [N(CH3)4]4[Ti2F11][Ti2F9(H2O)2] with two dimeric complex anions of different compositions. The disordered crystal structure of [N(CH3)4]4[Ti2F11][Ti2F9(H2O)2] is formed by dimeric complex anions [Ti2F11]3− and [Ti2F9(H2O)2]− in a 1:1 ratio and tetramethylammonium cations N(CH3) +4 , each with an occupancy factor of 0.5. The dimeric complex anions, which structurally alternate with an occupancy factor of 0.5, form a pseudodimeric anion {(Ti2F11)0,5(Ti2F9(H2O)2)0,5}2− whose charge is compensated by the disordered cations N(CH3) +4 . The hydrogen bonds O-H⋯F link the dimeric complex anions [Ti2F11]3− and [Ti2F9(H2O)2]− into polymeric ribbons, with the N(CH3) +4 cations being located between the ribbons.
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Original Russian Text © 2014 R. L. Davidovich, V. V. Tkachev, V. B. Logvinova, V. I. Kostin, V. Stavila.
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Translated from Zhurnal Strukturnoi Khimii, Vol. 55, No. 5, pp. 969–972, September–October, 2014.
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Davidovich, R.L., Tkachev, V.V., Logvinova, V.B. et al. Crystal structure of tetramethylammonium fluoridotitanate(IV) with dimeric complex anions of different compositions. J Struct Chem 55, 923–926 (2014). https://doi.org/10.1134/S0022476614050199
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DOI: https://doi.org/10.1134/S0022476614050199