Crystal structure and magnetic behaviour of a new kind of one-dimensional nickel(II) thiocyanate compound [{NiL(SCN)(µ-SCN)}n][L = bis(3-aminopropyl)methylamine]
- 1 January 1994
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in J. Chem. Soc., Dalton Trans.
- No. 3,p. 259-262
- https://doi.org/10.1039/dt9940000259
Abstract
The µ-thiocyanato nickel(II) one-dimensional compound, [{NiL(SCN)(µ-SCN)}n][L = bis(3-aminopropyl)methylamine] has been prepared. The crystal structure of this compound has been solved by Patterson synthesis and refined by least-squares analysis to a discrepancy factor of 0.068. The crystals are monoclinic, space group P21/n, with lattice constants a= 11.113(3), b= 16.706(4), c= 7.802(2)Å; β= 106.94(3)°. This compound represents the first structurally described nickel(II) chain in which two neighbouring nickel(II) ions are linked by only one SCN– bridging ligand. Magnetic susceptibility data, measured from 290 to 4 K, show weak ferromagnetic behaviour. These data were fitted to the de Neef equation giving the parameters J= 1.12 cm–1, g= 2.16 and D= 1.72 cm–1.Keywords
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