Nickel (II)-complex ligand as host for Potassium ion guest. Spectroscopic characterization and X-ray structure determination
Journal Title: IOSR Journal of Applied Chemistry (IOSR-JAC) - Year 2019, Vol 12, Issue 1
Abstract
The title complex, {[Ni(hab)]K[(hab)Ni]}·SCN (H2hab is bis(2-hydroxy-3-methoxybenzylidene)-1,2- diaminobenzene) crystallizes in the Monoclinic space group P21/c with unit cell dimensions a = 11.5891 (13) Å, b = 17.307 (2) Å, c = 19.781 (2) Å,β = 92.368 (10)°, V = 3964.2 (8) Å3 , Z = 4, R1 = 0.106 and wR2 = 0.305. The NiII cation is in a N2O2 inner and has a distorted square-planar coordination environment. The NiII cation is linked by two imino nitrogen atoms and two bridged phenolate oxygen atoms. The potassium cation is octacoordinated in O8 donor site and linked by four bridged phenolate oxygen atoms and four methoxy oxygen atoms. In the crystal, the {[Ni(hab)]K[(hab)Ni]}+ cations form layers parallel to the ab plane. The SCNanions are located in the interlayer space and connect the layers via C—H…N and C—H…S hydrogen bonds, forming three dimensional network.
Authors and Affiliations
Mayoro DIOP, Mamou SARR, Amar DIOP, Ibrahima Elhadj THIAM, Aliou Hamady BARRY, Mohamed GAYE, Natalia Alvarez, Javier Ellena
Keywords
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