1-D and 2-D Homoleptic Dicyanamide Structures, [Ph4P]2{CoII[N(CN)2]4} and [Ph4P]{M[N(CN)2]3} (M = Mn, Co)
Inorganic Chemistry2001Vol. 40(11), pp. 2578–2581
Citations Over TimeTop 1% of 2001 papers
Abstract
The homoleptic complexes [Ph(4)P](2)[Co[N(CN)(2)](4)] and [Ph(4)P][M[N(CN)(2)](3)] [M = Co, Mn] have been structurally as well as magnetically characterized. The complexes containing [M[N(CN)(2)](4)](2-) form 1-D chains, which are bridged via a common dicyanamide ligand in [M[N(CN)(2)](3)](-) to form a 2-D structure. The five-atom [NCNCN](-) bridging ligands lead to weak magnetic coupling along a chain. The six [NCNCN](-) ligands lead to a (4)T(1g) ground state for Co(II) which has an unquenched spin-orbit coupling that is reflected in the magnetic properties. Long-range magnetic ordering was not observed in any of these materials.
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