Abstract
Silver(I) complexes of 6-methyl-2-pyridinecarboxylic acid (HL) have been prepared, and the crystal structure of [Ag(L)(LH)] has been determined from X-ray diffraction data. This complex crystallizes in the monoclinic space group P21/n, with a = 13.4055(13), b = 7.1012(7), c = 15.588(2) Å, β = 112.779(2)°, and Z = 4. Anionic [AgL2]− units are linked together by protons in approximately symmetrical linear O—H—O hydrogen bonds involving uncoordinated carboxylate oxygen atoms, to give polymeric chains. The most significant intermolecular interaction between adjacent parallel chains is offset ring stacking of pairs of aromatic rings with a perpendicular distance of 3.27 Å. The Ag coordination geometry is highly distorted tetrahedral, from two pyridine N atoms and two carboxylate O atoms, each ligand forming a five-membered chelate ring.
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Leiva, À., Clegg, W., Cucurull-Sánchez, L. et al. Silver(I) complexes of 6-methyl-2-pyridinecarboxylic acid: the crystal structure of [Ag(MeC5H3NCOO)(MeC5H3NCOOH)]. Journal of Chemical Crystallography 29, 1097–1101 (1999). https://doi.org/10.1023/A:1009553607474
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DOI: https://doi.org/10.1023/A:1009553607474