Research Article: Poly[(μ3-benzene-1,3,5-tricarboxyl­ato-κ3O1:O3:O5)(μ2-2-methyl­imidazolato-κ2N:N′)tris­(2-methyl­imidazole-κN)dizinc(II)]

Date Published: June 01, 2011

Publisher: International Union of Crystallography

Author(s): Palanikumar Maniam, Norbert Stock.


Hydro­thermal reaction involving zinc nitrate hexa­hydrate, tris­odium benzene-1,3,5-tricarboxyl­ate (Na3BTC) and 2-methyl­imidazole (2-MeImH) yielded the title compound, [Zn2(C9H3O6)(C4H5N2)(C4H6N2)3]. In this mixed-ligand metal-organic compound, Zn2+ ions are coordinated by N atoms from 2-MeImH mol­ecules and (2-MeIm)− ions, as well as by O atoms from (BTC)3− ions. This results in two different distorted tetra­hedra, viz. ZnN3O and ZnN2O2. These tetra­hedra are inter­connected via (BTC)3− ions and N:N′-bridging (2-MeIm)− ions, thus forming a layered structure in the bc plane. Hydrogen bonds between the O atoms of carboxyl­ate ions and NH groups of 2-MeImH ligands link the layers into a three-dimensional structure.

Partial Text

For metal-organic frameworks, see: Li et al. (1999 ▶); Kitagawa et al. (2004 ▶); Stock (2010 ▶); Maniam et al. (2010 ▶). For related structures, see: Cheng et al. (2001 ▶); Zheng et al. (2010 ▶); Huang et al. (2006 ▶); Martins et al. (2010 ▶); Park et al. (2006 ▶).




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