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

Abstract : 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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https://hal-centralesupelec.archives-ouvertes.fr/hal-02296839
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Submitted on : Wednesday, September 25, 2019 - 3:14:19 PM
Last modification on : Wednesday, July 1, 2020 - 4:22:03 PM

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Goran Bogdanović, Vukadin 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, 2001, 57 (10), pp.1138-1140. ⟨10.1107/S010827010100991X⟩. ⟨hal-02296839⟩

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