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Acta Cryst. (2006). E62, m738-m740 [ doi:10.1107/S1600536806007938 ]
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6-succinato-5-succinato-dierbium(III)]Abstract: In the title compound, [Er2(C4H4O4)3(H2O)2]n, the asymmetric unit consists of two ErIII cations, three succinate anions and two coordinated water molecules. Both ErIII ions are in a tricapped trigonal-prismatic coordination environment. The Er atoms are bridged into a three-dimensional framework by succinate anions, which exhibit anti and gauche conformations with different coordination modes. The crystal structure is stabilized by O-H
O hydrogen bonds [OO = 2.715 (8)-2.936 (8) Å].
Online 10 March 2006
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