Ni^IIRu^II and Cu^IIRu^II coordination polymers constructed from [Ru(CN)₆]^4-

The dimetallic compounds [Ni(2,3,2-tet)]2[Ru(CN) 6]·8H2O (1), [Ni(pn)2] 2[Ru(CN)6]·5H2O (2) [Ni(tacd)(H 2O)]2[Ru-(CN)6]·8H2O (3) and {[Cu(dipn)]3[Ru(CN)6]}(ClO4) 2·4H2O (4) [2,3,2-tet = N,N′-bis(2- aminoethyl)-1,3-propanediamine, pn = 1,3-diaminopropane, tacd = 1,5,9-triazacyclododecane, dipn = dipropylenetriamine] have been prepared from the reaction of [Ru(CN)6]4- with [Ni(2,3,2-tet)] 2+, [Ni(pn)2]2+, [Ni(tacd)(H 2O)]2+ and [Cu(dipn)]2+, respectively. Compounds 1 and 2 contain a two-dimensional square network, compound 3 has a one-dimensional, crossed-double chain structure, while compound 4 has an unusual, two-dimensional, double-edged, honeycomb network. A very weak antiferromagnetic interaction is observed in 2. KGaA, 69451 Weinheim, Germany, 2005.