Crystal and molecular structure of diaqua-bis-(3,5-dimethyl-1-guanyl pyrazole) nickel (II) nitrate, [Ni(C6N4H10)2(H2O)2](N03)2 |
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| Authors: | A. Podder B. P. Mukhopadhyay N. Saha A. Saha B. Stensland |
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| Affiliation: | (1) Crystallography and Molecular Biology Division, Saha Institute of Nuclear Physics, Sector-1, Block-AF, Bidhannagar, 700 064 Calcutta, India;(2) Department of Chemistry, University of Calcutta, 92, A.P.C. Road, 700009 Calcutta, India;(3) Arrhenius Laboratory, University of Stockholm, S-10691 Stockholm, Sweden |
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| Abstract: | The title compound crystallizes in space groupP21/n witha=10.651(3),b=11.082(2),c=8.993(3) Å, =106.79(3)°;R=0.064 andRw=0.074 for 3399 observed reflections (I 3 (I)) from 3674 measured. The structure was solved by direct methods and refined by least squares. The Ni atom of the complex is located at a center of inversion, and is surrounded by four nitrogen atoms of the two ligands in square-planar geometry. The oxygen atoms of the two centrosymmetrically related water molecules complete the coordination around the metal ion to form an elongated octahedron. |
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