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In the title compound, {[Cu(C15H11ClN2O3)(C4H9NO)] n, the CuII cation has square-pyramidal geometry. The morpholine ligand serves as a bridge to link two symmetry-related metal atoms, resulting in an infinite chain structure along the a axis. Adjacent chains are extended into a two-dimensional layered structure via hydrogen bonds formed between morpholine and amide N atoms [N-H...N = 2.971 (3) Å]. [ABSTRACT FROM AUTHOR]

In the title compound, [Cd(C4H13N3)2](C10H6O6S2), the Cd atom, located on an inversion centre, is six-coordinated by two diethyl­enetriamine ligands. The anion is centrosymmetric. The metal complex cations are connected to naphthalene-1,5-disulfonate anions via weak self-complementary N—H⋯O hydrogen bonds into two-dimensional extended sheets, which are further linked into three-dimensional networks with channels along the a axis. [ABSTRACT FROM AUTHOR]

In the title compound, {[Cu(C15H11ClN2O3)(C4H9NO)]n, the Cu(II) cation has square-pyramidal geometry. The morpholine ligand serves as a bridge to link two symmetry-related metal atoms, resulting in an infinite chain structure along the a axis. Adjacent chains are extended into a two-dimensional layered structure via hydrogen bonds formed between morpholine and amide N atoms [N-H···N = 2.971 (3) Å].

In the title compound, [V(4)O(8)(SeO(3))(2)(C(10)H(8)N(2))(4)], there are two distinct vanadium coordination environments. Alternating corner-shared VO(4)N(2) octahedra and SeO(3) pyramids result in eight-membered centrosymmetric V(2)Se(2)O(4) rings. In addition, pairs of V centres form centrosymmetric V(2)O(6)N(4) clusters via edge-sharing. These two kinds of secondary building units are linked in an ABABAB fashion to give an infinite chain whose nature is unprecedented in Se-V-O systems.

In the title compound, [Mn(2)(C(8)H(4)O(7)S)(2)(C(10)H(8)N(2))(2)(H(2)O)(2)], pairs of hexacoordinated manganese(II) centres are bridged by 2-sulfonatoterephthalate(2-) anions to form cyclic centrosymmetric dimers, which are linked into sheets by O-H...O hydrogen bonds.