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Open Access Crystal structures of binary compounds of meldonium 3-(1,1,1-trimethylhydrazin-1-ium-2-yl)propanoate with sodium bromide and sodium iodide

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3-(1,1,1-Trimethylhydrazin-1-ium-2-yl)propanoate (C6H14N2O2, M, more commonly known under its commercial names Meldonium or Mildronate) co-crystalizes with sodium bromide and sodium iodide forming polymeric hydrates poly[[tetra-μ-aqua-diaquabis[3-(1,1,1-trimethylhydrazin-1-ium-2-yl)propanoate]disodium] dibromide tetrahydrate], [Na2(C6H14N2O2)2(H2O)6]Br2·4H2O, and poly[[di-μ-aqua-diaqua[μ-3-(1,1,1-trimethylhydrazin-1-ium-2-yl)propanoate]disodium] diiodide], [Na2(C6H14N2O2)2(H2O)4]I2. The coordination numbers of the sodium ions are 6; the coordination polyhedra can be described as distorted octahedra. Metal ions and M zwitterions are assembled into infinite layers via electrostatic interactions and hydrogen-bonded networks. These layers are connected via electrostatic attraction between halogenide ions and positive trimethylhydrazinium groups into a three-dimensional structure.
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Document Type: Research Article

Affiliations: Chemistry Department, SUNY Buffalo State, 1300 Elmwood Ave, Buffalo, NY 14222, USA

Publication date: January 1, 2018

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