Abstract

The structure of the title compound, [Er 2 (C 3 H 7 NO 2 ) 4 (H 2 O) 8 ](ClO 4 ) 6 , consists of dimeric [Er 2 (DL-alanine) 4 (H 2 O) 8 ] 6+ cations and perchlorate anions. The four alanine molecules act as bridging ligands linking two Er 3+ ions through their carboxyl O atoms. Each Er 3+ ion is also coordinated by four water molecules to complete eightfold coordination in a square antiprism fashion. The perchlorate anions and the methyl groups of the alanine ligands are disordered.

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