David J. Harding

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In the title compound, [Mn(NO(3))(2)(C(12)H(8)N(2))(2)], the Mn(II) atom lies on a twofold rotation axis, and is six-coordinated in a distorted trans-N(4)O(2) octa-hedral environment by four N atoms from two 1,10-phenanthroline ligands and two O atoms from two nitrate anions. The nitrate anion is disordered about a twofold rotation axis with fixed occupancy(More)
In the title polymer, [Cd(C(5)H(3)N(2)O(2))(NO(3))(H(2)O)](n), the Cd(II) atom is seven-coordinate in a distorted capped octa-hedral geometry by two N atoms of two different pyrimidine dicarboxyl-ate (pmc) ligands, three O atoms from three separate pmc ligands, and two O atoms of disordered nitrate anions or water mol-ecules. The Cd(II) atoms are bridged by(More)
In the title compound, [Co(C(5)HF(6)O(2))(2)(C(9)H(8)N(2))], the Co(II) centre exhibits a pseudooctahedral coordination geometry, comprising two N-atom donors from the bidentate amino-quinoline ligand and four O-atom donor atoms from two bidentate chelating 1,1,1,5,5,5-hexafluoropentane-2,4-dionate ligands. In the crystal, molecules are linked via pairs of(More)
The title compound, [Ni(C(5)HF(6)O(2))(2)(C(12)H(9)BrN(2))], the Ni(II) atom exhibits a pseudo-octa-hedral coordination geometry. The structure packs through C-H⋯Br inter-actions, forming a hydrogen-bonded ladder. There are also strong hydrogen-bonding inter-actions between two of the O atoms of the β-diketonate ligands and two H atoms on the pyridine ring(More)
In the title compound, [Ni(C(45)H(34)BN(6))(C(10)H(9)N(3))]Br·CH(2)Cl(2), the Ni(II) atom is five-coordinated by the tridentate hydro-tris-(3,5-diphenyl-pyrazol-yl)borate ligand and a bidentate di-2-pyridyl-amine ligand in a distorted square-pyramidal geometry. In the crystal, inter-molecular N-H⋯Br and C-H⋯Br hydrogen bonds link the Ni complex cations and(More)
In the title complex, [Co(C(5)HF(6)O(2))(2)(C(12)H(9)BrN(2))], the Co(II) atom exhibits a pseudo-octa-hedral coordination geometry, comprising two N-donor atoms from a bidentate chelate (4-bromo-phen-yl)(2-pyridyl-methyl-idene)amine (ppa(Br)) ligand [Co-N = 2.098 (2) and 2.209 (2) Å] and four O-donor atoms from two bidentate chelate(More)
In the title tris-(pyrazol-yl)borate (Tp(Ph2)) complex, [NiBr(C(45)H(34)BN(6))], the Ni, Br and B atoms lie on a crystallographic threefold axis and a distorted NiN(3)Br tetra-hedral geometry arises for the metal ion. In the crystal, C-H⋯(C=C) and C-H⋯π inter-actions help to establish the polar crystal packing.
In the crystal structure of the title compound, [Co(C(12)H(8)N(2))(3)](BF(4))(2)·CH(3)CN, the mol-ecular packing involves dimers of distorted octahedrally coordinated cations which are held together by one π-π [centroid-centroid = 3.542 (4) Å] and two C-H⋯π inter-actions [2.573 (4) Å] resulting in a P4AE (Parallel Fourfold Aryl Embrace) motif. The anions(More)
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