PREPARATION AND CRYSTAL-STRUCTURE OF A HETERONUCLEAR YTTRIUM AND COPPER COMPLEX WITH N-CARBOXYMETHYL-N-(2-CARBOXYPHENYL)GLYCINE(H3L) - [CUY(L)(H2O)(6)](CLO4)(2)

The title complex [CuY(L)(H2O)6](ClO4)(2) was synthesized in aqueous s olution, where L3- is N-carboxymethyl-N-(2-carboxyphenyl) glycine anio n, and its crystal structure determined by single-crystal X-ray diffra ction methods. Crystals are monoclinic, space group P2(1)/n, with a = 17.514(2), b = 8.221(1), c = 17.874(2)Angstrom, beta = 112.170(10)degr ees, V = 2383.3(5)Angstrom(3), Z = 4; the final R value is 0.031. The complex has a two-dimensional network structure in which each yttrium is coordinated by three oxygen atoms from three L3- ions and five oxyg en atoms from water molecules forming a distorted square antiprism; th e copper ion is coordinated by three carboxyl oxygen atoms and a nitro gen atom from the same L3- ion and an oxygen atom of water molecule to form a distorted square pyramid.