LOW TEMPERATURE CRYSTAL STRUCTURE AND MAGNETIC BEHAVIOR OF BIS(2-AMINO-4-METHYLPYRIDINIUM) TETRACHLORIDOCUPRATE

Fan Xiao, Christopher P Landee, Mark M. Turnbull, Jan L. Wikaira

Abstract


(4-MAPH)2[CuCl4](4MAP = 2-amino-4-methylpyridine)(1)has been synthesized and characterized by single-crystal X-ray diffraction.  The compound crystallizes in the monoclinic space group C2/c.  The tetrachloridocuprate(II)2- ions pack in layers parallel to the ab-face of the crystal which are well separated by double layers of the 2-amion-4-methylpyridinium cations.  The anions generate a square layer via short Cl…Cl interactions due to the C-centering.  Variable temperature magnetic susceptibility measurements indicate the presence of weak antiferromagnetic interactions within the layers (J ~ -1 K).

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DOI: http://dx.doi.org/10.17628/ecb.2019.8.239-243

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