3D-Coordination Cluster Polymers [Ln(H2O)3Re6Te8(CN)6]·nH2O (Ln = La3+, Nd3+): Direct Structural Analogy with the Mononuclear LnM(CN)6·nH2O Family

Using the hydrothermal method two novel 3D-coordination complexes [Ln(H2O)3Re6Te8(CN)6]·nH2O (Ln = La3+, Nd3+) have been synthesised and structurally characterised. For compound [La(H2O)3Re6Te8(CN)6]·4H2O (1) the unit cell parameters are: Space group P63/m, a = 9.3060(13), c = 20.528(4) A, V = 1539.6(4) A3, Rf = 0.0597. For compound [Nd(H2O)3Re6Te8(CN)6]·H2O (2) the unit cell parameters are: Space group P63/m, a = 9.3030(10), c = 20.222(4) A, V = 1515.7(4) A3, Rf = 0.0226. The structures of the cluster compounds are topologically analogous to the mononuclear polymeric complex LaCr(CN)6·5H2O. (© Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2005)

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