Research Article: Bis(8-hy­droxy-2-methyl­quinolinium) bis­(pyridine-2,6-dicarboxyl­ato)­nickelate(II) methanol monosolvate monohydrate

Date Published: July 01, 2011

Publisher: International Union of Crystallography

Author(s): Hossein Aghabozorg, Ahmad Gholizadeh, Masoud Mirzaei, Behrouz Notash, Niloofar Moshki.


In the title compound, (C10H10NO)2[Ni(C7H3NO4)2]·CH3OH·H2O, the coordination geometry of the NiII atom can be described as distorted octa­hedral. In the crystal, noncovalent inter­actions play an important role in the stabilization of the structure, involving O—H⋯O, N—H⋯O and weak C—H⋯O hydrogen bonds and π–π stacking inter­actions between the pyridine rings of the pyridine-2,6-dicarboxyl­ate ligands [centroid–centroid distance = 3.7138 (15) Å] and between the 8-hy­droxy-2-methyl­quinolinium cations [centroid–centroid distances = 3.6737 (15), 3.4434 (14), 3.6743 (15), 3.7541 (16), 3.5020 (15) and 3.7947 (15) Å].

Partial Text

For general background to proton transfer compounds based on carb­oxy­lic acid derivatives, see: Aghabozorg et al. (2008 ▶); Eshtiagh-Hosseini, Aghabozorg et al. (2010 ▶); Eshtiagh-Hosseini, Alfi et al. (2010 ▶); Eshtiagh-Hosseini, Yousefi et al. (2010 ▶). For related structures, see: Aghabozorg et al. (2011 ▶); Pasdar et al. (2011 ▶).




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