Abstract
The complex salts (R-BpH)[MAnx], where R-BpH is the protonated 3-arylidene-1-pyrrolinium cation, An is the chloride, nitrate, or dimethylmalonate anion, were synthesized by reactions of 3-arylidene-1-pyrrolinium trifluoroacetates with zinc(II) chloride, copper(II) nitrate, and iron(III) chloride or iron(III) dimethylmalonate. All products were characterized by IR spectroscopy and X-ray diffraction (CCDC nos. 2169556–2169560). It was shown that all crystal structures are formed by classical N–H…O and O–H…O type hydrogen bonds between the complex anions and the protonated organic molecules and by π…π contacts between the latter.
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ACKNOWLEDGMENTS
X-ray diffraction analysis, IR spectroscopy, and C,H,N,S analysis were performed using equipment of the Center for Collective Use of Physical Investigation Methods of the Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, supported by the state assignment of the Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, in the field of fundamental research.
Funding
This study was supported by the Russian Science Foundation (project no. 21-73-00074).
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Translated by Z. Svitankos
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Voronina, J.K., Zorina-Tikhonova, E.N., Blinou, D.O. et al. Synthesis and Structure of Complex Salts with 3-Arylidene-1-pyrrolinium Cations. Russ J Coord Chem 48, 828–838 (2022). https://doi.org/10.1134/S107032842270018X
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DOI: https://doi.org/10.1134/S107032842270018X