2-(N-methylimidazole-2′-yl-thiomethyl)benzimidazole (L) has been synthesised and the complexes [ML2 (ClO4)2]·2H2O (M = Ni or Cu) and [MLX2] nH2O (M = Cu, X = Cl or Br, n = 0; M = Ni, X = Cl, n = 3; M = Ni, X = Br, n = 0) prepared and characterised. Proposed geometries for the complexes are: octahedral geometry for perchlorate complexes; tetrahedral geometry for chloro-and bromo-complexes; dimeric square pyramidal for the chloro-complex of copper(II).
Several metallic oxides such as copper (11) oxide and nickel (11) oxide have been found t o react with elemental sulphur a t elevated temperature under vacuum giving a sulphur rich oxide along with sulphur dioxide. The lower oxide of sulphur has been found to be disulphur monoxide. The reduction of the metallic oxides with elemental sulphur a t atmospheric pressure was found t o yield sulphur dioxide only.
InhaltsiibersichtMetalloxide wie CuO und NiO reagieren bei hiiherer Tempcratur und im Vakuum mit elementarem Schwefel zu Dischwefelmonoxid, S,O und Schwefeldioxid. Bei h'ornialdrnck entsteht nur SO,.
______-A detailed investigation of these reactions were carried out and the results of such a study are reported in this paper.
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