(2-{ 1,1-Bis(hydroxymethyl)-2-oxidoethyl iminomethyl}-4-chlorophenolato- kappa O-3,N,O ')dibutyltin(IV) by Lee, S.M., Lo, K.M., Ali, Hapipah Mohd

“…In the title compound, [Sn(C4H9)2(C11H12BrNO4)], the Schiff base ligand chelates to the SnIV atom through the two deprotonated hydroxy groups, as well as through the N atom, to confer an overall cis-C2SnNO2 trigonal-bipyramidal geometry at the SnIV atom [C-Sn-C = 129.92 (9)°]. The remaining methylenehydroxy groups engage in O-H...O hydrogen bonding with the O atoms of adjacent molecules, leading to infinite supramolecular chains propagating in [001].…”
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Bis(acetato-kappa O-2,O ')diphenyl(pyridine-kappa N)tin(IV) by Khaledi, H., Abdulla, M.A., Ali, Hapipah Mohd

“…In both molecules, the Sn-IV atom is sevencoordinated in a distorted pentagonal-bipyramidal geometry with the two phenyl groups in axial positions. …”
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Di­chlorido{2-morpholino-N-[1-(2-pyri­dyl)ethyl­­idene]ethanamine-κ3N,N′,N′′}cadmium by Hisham, N.I., Gwaram, Nura Suleiman, Khaledi, Hamid, Ali, Hapipah Mohd

“…In the title compound, [CdCl2(C13H19N3O)], the Cd-II ion is five-coordinate, with the N, N', N ''-tridentate Schiff base ligand 2-morpholino-N-[1-(2-pyridyl) ethylidene] ethanamine and two Cl atoms in a distorted square-pyramidal geometry. In the crystal structure, C-H center dot center dot center dot Cl hydrogen-bonding interactions connect the molecules into a three-dimensional network.…”
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(1S,2S)-2-(1-{ 2-(2-Oxidobenzylideneamino)cyclohexyl imino}-ethyl)pheno lato-kappa O-4,N,N ',O ' copper(II) by Gwaram, N.S., Ali, Hapipah Mohd, Khaledi, H.

“…The CuII ion is coordinated by two N atoms and two O atoms from the bis-Schiff base ligand in a slightly distorted square-planar geometry. The dihedral angle between the two benzene rings is 45.89 (9)°. …”
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Di--thiocyanato-2N: S; 2S: N-bis [bis (2-methyl-1H-benzimidazole-N3)(thiocyanato-N) cadmium (II)] by Ahaker, S., Mohd Ali, H., Khaledi, H.

“…Two 2-methylbenzimidazole N-atom donors and one terminal thiocyanate N atom complete a highly distorted squarepyramidal geometry around the Cd atom. In the crystal structure, two N—H� � �S hydrogen-bonding interactions occur, resulting in a three-dimensional polymeric structure. …”
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Bis benzyl N '-(1H-indol-3-ylmethylene)hydrazinecarbodithioato-kappa(2)N ',S nickel(II) N,N-dimethylformamide disolvate by Khaledi, H., Ng, S.W., Ali, Hapipah Mohd

“…In the title compound, [Ni(C(17)H(14)N(3)S(2))(2)]center dot 2C(3)H(7)NO, the Ni atom (site symmetry (1) over bar) is N,S-chelated by two deprotonated Schiff base anions in a distorted square-planar geometry. The dihedral angle between the aromatic ring planes within the ligand is 86.37 (13)degrees. …”
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2 '-(5-Chloro-2-oxidobenzylidene)benzenesulfonohydrazide-kappa N-2,O 2 '-(2-oxidobenzylidene)benzenesulfonohydrazide-kappa N-2,O copper(II) by Ali, Hapipah Mohd, Ng, S.W., Rizal, M.R., Yusnita, J.

“…The Cu-II atom (site symmetry 1) in the title compound, [Cu(C13H10ClN2O3S)(C13H11N2O3S)], is N, O-chelated by the monoanionic ligands in a trans-CuN2O2 square-planar geometry. The 2'-(2-oxidobenzylidene) benzenesulfonohydrazide anion is disordered equallywith the chlorine-substituted 2'-(5-chloro-2-oxidobenzylidene) benzenesulfonohydrazide anion. …”

Bis[1,3-dihydr-oxy-2-hydroxy-methyl-2-(5-nitro-2-oxidobenzyl-ideneamino) propane-κ3 N,O,O′]zinc(II) trihydrate by Ali, Hapipah Mohd, Ng, S.W., Basirun, Wan Jefrey, Puvaneswary, S.

“…The Zn atom in the title compound, [Zn(C11H13N2O6)2]·3H2O, is chelated by the two terdentate Schiff base anions, resulting in a trans-ZnN2O4 octa-hedral geometry. The crystal packing is stabilized by O - H⋯O hydrogen bonds, leading to a three-dimensional network structure. © 2007 International Union of Crystallography. …”

Bis(2-methyl-1H-indole-3-carbaldehyde 4-hydroxy-benzoylhydrazonato-kappa N-2,O)nickel(II) N,N-dimethylformamide disolvate dihydrate by Ali, Hapipah Mohd, Ng, S.W., Xie, M.J., Najwa, M.I.

“…The title compound, [ Ni( C17H14N3O2)(2)] center dot 2C(3)H(7)NO center dot 2H(2)O, contains Ni-II cations ( site symmetry 1) chelated by two deprotonated Schiff bases in a trans-NiN2O2 square-planar geometry. The complex molecule and the dimethylformamide ( DMF) and water molecules interact by way of O-(HO)-O-... and N-(HO)-O-... hydrogen bonds, resulting in a layered structure.…”

Bis[5-bromo-1 H-indole-3-carbaldehyde (2-nitro-benzoyl)hydrazonato- κ2N,O]bis(pyridine-κ:N)-nickel(II) pyridine disolvate by Ali, Hapipah Mohd, Ng, S.W., Halim, A., Nadiah, S.

“…The Ni atom in the crystal structure of the title compound, [Ni(C 5H5N)2(C16H10)BrN 4O3)2]·2C5H5N, lies on a special position of site symmetry 2 in an all-cis octahedral geometry. © 2005 International Union of Crystallography Printed in Great Britain - all rights reserved.…”

Bis(3-bromo-1-oxidoanthraquinone-κ2O1,O 9)-bis(pyridine-κN)zinc(II) by Ali, Hapipah Mohd, Ng, S.W., Basirun, Wan Jefrey, Lajis, N.Hj., Koushik, S., Halim, S.N.A.

“…It is chelated by the bromo-substituted hydroxyanthroquinone molecule and is coordinated by the pyridine molecules in an all-trans octahedral geometry. © 2005 International Union of Crystallography Printed in Great Britain - all rights reserved.…”

Bis(3-bromo-1-oxidoanthraquinone-κ2O1,O 9)-bis(pyridine-κN)copper(II) dihydrate by Ali, Hapipah Mohd, Ng, S.W., Koushik, S., Abdul Halim, S.N.

“…The Cu atom in the title compound, [Cu(C14H6BrO 3)2-(C5H5N)2] ·2H2O, lies on a center of inversion; it is chelated by the bromo-substituted hydroxyanthroquinone molecule and is coordinated by the pyridine molecules in an all-trans octahedral geometry. © 2005 International Union of Crystallography Printed in Great Britain - all rights reserved.…”

{2′-[1-(5-Bromo-2-oxidophenyl)ethylidene]-benzohydrazidato(2-)} tris(pyridine)nickel(II) pyridine solvate by Ali, Hapipah Mohd, Yamin, B.M., Khamis, N.A.

“…In the title compound, [Ni(C15H10BrClN 2O2)(C5H5N) 3]·-C5H5N, the Ni atom is coordinated by three pyridine molecules and one oxygen-containing ligand in a tridentate manner via O, N and O atoms. The geometry of the Ni atom is distorted octahedral. There are no significant intermolecular interactions in the crystal structure. © 2004 International Union of Crystallography Printed in Great Britain - all rights reserved.…”

Bis{μ-3-methoxy-N′-[1-(2-oxidophenyl)ethylidene]-benzohydrazidato} bis[pyridinezinc(II)] pyridine solvate by Ali, Hapipah Mohd, Yamin, B.M., Yusof, M.S.M., Khamis, N.A.

“…The molecule has a center of inversion and the coordination geometry of both Zn atoms is square pyramidal. © 2004 International Union of Crystallography Printed in Great Britain - all rights reserved.…”

{4-Chloro-2′-[(3-methoxy-2-oxidophenyl)-methylidene]benzohydrazido} (pyridine)-copper(II) by Ali, Hapipah Mohd, Yamin, B.M., Basirun, Wan Jefrey, Khamis, N.A.

“…In the title compound, [Cu(C15H11ClN 2O3)(C5H5N)], the hydrazide ligand chelates to the central Cu atom in an O,N,O′-tridentate manner and the pyridine molecule coordinates through the N atom, forming a distorted square-planar geometry. The compound has a trans configuration with cis angles about the Cu atom between 81.1 (2) and 95.7 (2)°. …”

Dimethyl sulfoxide-κSbis[2′-(3-methyl-thiophen-2-ylmethylene) furan-2-carbohydrazido]zinc(II) by Ali, Hapipah Mohd, Yamin, B.M., Yusof, M.S.M., Omar, S.R.S.

“…The title compound, [Zn(C12H10N2O 2S)2(C2H6OS)], is monomeric with the Zn atom in a five-coordinate environment. The geometry of the polyhedron is distorted trigonal bipyramidal, with angles of the equatorial atoms about the central Zn atom in the range 77.84 (10)-126.66 (12) Å. …”

S-[4-(Trimethylammonio)phenyl] thiosulfate, an aromatic organic thiosulfate by Chen, J.X., Lang, J.P., Ng, S.W., Zain, Sharifuddin Md, Zhang, Y., Xu, Q.F.

“…The central S atom of the S2O3 group adopts a slightly distorted tetrahedral coordination geometry. The S-S bond length is 2.1137 (7) Å, while the S-O bond lengths are in the range 1.4417 (12)-1.457 (2) Å. …”

2-(3-Carboxymethyl-4-nitrophenyl) propionic acid by Huo, L.H., Ng, S.W., Zain, Sharifuddin Md, Zhao, H., Gao, S.

“…The nitro group distorts the bond dimensions of the aromatic ring. The energy of the geometry-optimized structure was calculated to be 146.6 kcal mol- more stable than the X-ray structure. …”

Bis(3-bromo-1-oxidoanthraquinone-κ2O1,O 9)-bis(pyridine-κN)zinc(II) by Basirun, Wan Jefrey, Ng, S.W., Ali, H.M., Halim, S.N.A., Koushik, S., Lajis, N.

“…It is chelated by the bromo-substituted hydroxyanthroquinone molecule and is coordinated by the pyridine molecules in an all-trans octahedral geometry. © 2005 International Union of Crystallography Printed in Great Britain - all rights reserved.…”

{2- (2-Carbamothiolylhydrazin-1-ylidene-kappa N-2(1),S)methyl -6-hydroxyphenolato-kappa O-1}(triphenylphosphine-kappa P)nickel(II) chloride by Tan, Kong Wai, Ng, S.W., Shawish, H.B., Maah, Mohd Jamil

“…The deprotonated Schiff base ligand in the title compound, [Ni(C8H8N3O2S)(C18H15P)]Cl, functions as an N,O,S-chelating anion to the phosphine-coordinated Ni atom, which exists in a distorted square-planar geometry. The hydroxy group forms an intramolecular O-H center dot center dot center dot O hydrogen bond. …”
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