Transition metal complexes with thiosemicarbazide-based ligands. XLII.1 Bis(S-methylisothiosemicarbazido-N1,N4)bis(pyrazole-N 2)nickel(II) diiodide - CentraleSupélec Accéder directement au contenu
Article Dans Une Revue Acta Crystallographica Section C : Crystal Structure Communications [1968-2013] Année : 2001

Transition metal complexes with thiosemicarbazide-based ligands. XLII.1 Bis(S-methylisothiosemicarbazido-N1,N4)bis(pyrazole-N 2)nickel(II) diiodide

Résumé

In the title compound, [Ni(C2H7N3S)2(C3H4N2)2]I2, the NiII ion assumes a centrosymmetric distorted octahedral geometry. The two mol­ecules of S-methyl­iso­thio­semicarbazide are coordinated as bidentate ligands via the terminal N atoms, forming five-membered chelate rings. The I atoms are approximately in the equatorial plane of the chelate rings at a similar distance from both. The five-membered chelate rings are almost planar and exhibit flattened envelope conformations. There is a weak intermolecular interaction between the lone pair of electrons of the S atom and the center of the pyrazole ring.

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hal-02296839 , version 1 (25-09-2019)

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Goran A. Bogdanović, Vukadin M. Leovac, S.B. Novaković, V.I. Ćešljević, Anne Spasojevic - de Biré. Transition metal complexes with thiosemicarbazide-based ligands. XLII.1 Bis(S-methylisothiosemicarbazido-N1,N4)bis(pyrazole-N 2)nickel(II) diiodide. Acta Crystallographica Section C : Crystal Structure Communications [1968-2013], 2001, 57 (10), pp.1138-1140. ⟨10.1107/S010827010100991X⟩. ⟨hal-02296839⟩
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