Diaquabis[5-(pyrazin-2-yl-κN 1)-3-(pyridin-3-yl)-1,2,4-triazolido-κN 1]zinc
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چکیده
In the title compound, [Zn(C11H7N6)2(H2O)2], the Zn(II) cation, located on an inversion center, is N,N'-chelated by two 5-(pyrazin-2-yl)-3-(pyridin-3-yl)-1,2,4-triazolide anions and is further coordinated by two water mol-ecules in a distorted N4O2 octa-hedral geometry. In the anionic ligand, the pyrazine and pyridine rings are twisted with respect to the central triazole ring by 5.77 (10) and 11.54 (10)°, respectively. In the crystal, classical O-H⋯N and weak C-H⋯O hydrogen bonds and π-π stacking inter-actions between aromatic rings [the centroid-centroid distances between triazole and pyrazine rings, and between triazole and pyridine rings are 3.623 (2) and 3.852 (2) Å, respectively] connect the mol-ecules into a three-dimensional supra-molecular architecture.
منابع مشابه
Diaquabis[5-(pyrazin-2-yl-κN 1)-3-(pyridin-3-yl)-1,2,4-triazolido-κN 1]cadmium
In the title compound, [Cd(C(11)H(7)N(6))(2)(H(2)O)(2)], the Cd(II) cation is located on an inversion center and is coordinated by four N atoms from two 5-(pyrazin-2-yl)-3-(pyridin-3-yl)-1,2,4-triazol-ide anions and two water mol-ecules in a distorted octa-hedral geometry. The triazolide ligand is nearly planar: the central triazole ring is oriented at dihedral angles of 4.63 (13) and 8.41 (13)...
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