THE CRYSTAL STRUCTURE OF 1,6-DIAMINO-1,1,6,6-TETRAMETHYL-2,4-HEXADIYNE AND STUDIES OF ITS COMPLEXES WITH COBALT(II), NICKEL(II) AND COPPER(II)

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Abstract
The diacetylene 1,6-diamino-1,1,6,6-tetramethyl-2,4-hexadiyne has been prepared from 1,1-dimethyl propargylamine and a complete structure determination has been carried out. Some new compounds of 1,6-diamino-1,1,6,6-tetramethyl-2,4-hexadiyne with cobalt, nickel and copper have been prepared. The compounds have been characterised by analysis, magnetic moments, vibrational and electronic spectra. The thiocyanate compound of cobalt and the chloro-compounds of nickel and copper were found to have octahedral-based structures. The chloro-compound of cobalt has a tetrahedral structure.