Abstract
In the polymeric complex of the title compound, {[AgNi(C5H3N2O2)2(H2O)2]NO3·2H2O}n, the AgI ion displays an angular coordination geometry with two N atoms from pyrazine-2-carboxylate ligands, and the NiII ion is hexacoordinated by two O atoms from two water molecules, two O and two N atoms from pyrazine-2-carboxylate ligands in a distorted octahedral geometry. In the crystal, the AgI and NiII ions lie on a mirror plane and an inversion centre, respectively. The complex chains, the nitrate ions and the uncoordinated water molecules are linked together through O—H⋯O hydrogen bonds and weak Ag⋯O interactions [2.619 (17)–2.749 (17) Å] into a three-dimensional network.
Highlights
Key Laboratory of Resources Chemistry of Nonferrous Metals, Ministry of Education, Central South University, Changsha, Hunan Province 410083, People’s Republic of
In the polymeric complex of the title compound, {[AgNi(C5H3N2O2)2(H2O)2]NO32H2O}n, the AgI ion displays an angular coordination geometry with two N atoms from pyrazine-2-carboxylate ligands, and the NiII ion is hexacoordinated by two O atoms from two water molecules, two O
Symmetry codes: (iii) x+1, y, z; (iv) −x, −y+1, −z+1
Summary
Key Laboratory of Resources Chemistry of Nonferrous Metals, Ministry of Education, Central South University, Changsha, Hunan Province 410083, People’s Republic of. BInstitute of Environmental Engineering, Central South University, Changsha, Hunan Province 410083, People’s Republic of China. In the polymeric complex of the title compound, {[AgNi(C5H3N2O2)2(H2O)2]NO32H2O}n, the AgI ion displays an angular coordination geometry with two N atoms from pyrazine-2-carboxylate ligands, and the NiII ion is hexacoordinated by two O atoms from two water molecules, two O and two N atoms from pyrazine-2-carboxylate ligands in a distorted octahedral geometry. The AgI and NiII ions lie on a mirror plane and an inversion centre, respectively. The complex chains, the nitrate ions and the uncoordinated water molecules are linked together through O—H O hydrogen bonds and weak Ag O interactions [2.619 (17)–.
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