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{[Cu_3(cis-DAM)_4(OH)_2]·12H_2O}_n 1 and [Ag_3(trans-DAM)_2(NO_3)]_n 2 with a flexible ligand N,N?-diacetic acid imidazolium(HDAM) were synthesized and characterized by single-crystal X-ray diffraction. Compound 1 crystallizes in the orthorhombic I22