scholarly journals [μ-2,2′-(1,4-Phenylene)diacetato-κ2O1:O4]bis[aqua(2,2′-bipyridine-κ2N,N′)chloridocopper(II)] dihydrate

2012 ◽  
Vol 68 (8) ◽  
pp. m1114-m1114
Author(s):  
Jin-He Zhao ◽  
Yan-Xia Lin ◽  
Wei Wu ◽  
Zhong Zhang
Keyword(s):  
Water Molecule ◽  
Three Dimensional ◽  
Water Molecules ◽  
Inversion Center ◽  
Complex Molecules ◽  
Pyramidal Geometry ◽  
Dimensional Network ◽  
Centroid Distance ◽  
Square Pyramidal Geometry ◽  
Cl Atom

In the centrosymmetric title compound, [Cu2(C10H8O4)Cl2(C10H8N2)2(H2O)2]·2H2O, the CuIIatom is five-coordinated in a distorted square-pyramidal geometry by two N atoms from a chelating 2,2′-bipyridine ligand, one O atom from a 1,4-phenylenediacetate ligand, one Cl atom and one water molecule. The 1,4-phenylenediacetate ligand, lying on an inversion center, bridges two CuIIatoms. In the crystal, O—H...O and O—H...Cl hydrogen bonds and π–π interactions between the pyridine rings [centroid–centroid distance = 3.740 (5) Å] link the complex molecules and uncoordinated water molecules into a three-dimensional network.

scholarly journals Crystal structure ofcatena-poly[[[aquabis(1H-imidazole-κN3)copper(II)]-μ-3-({4-[(2-carboxylatoethyl)carbamoyl]phenyl}formamido)propanoato-κ2O:O′] dihydrate]

2015 ◽  
Vol 71 (5) ◽  
pp. m108-m109 ◽  
Author(s):  
Yan Liu ◽  
Liu-Yang Xu ◽  
Hong-Tao Zhang
Keyword(s):  
Water Molecule ◽  
Rotation Axis ◽  
Three Dimensional ◽  
Water Molecules ◽  
Inversion Center ◽  
Polymeric Complex ◽  
Solvent Water ◽  
Pyramidal Geometry ◽  
Polymeric Chains ◽  
Square Pyramidal Geometry

In the title polymeric complex, {[Cu(C14H14N2O6)(C3H4N2)2(H2O)]·2H2O}n, the CuIIcation, located on a twofold rotation axis, is coordinated by one water molecule and two imidazole molecules as well as two symmetry-related 3-([4-[(2-carboxylatoethyl)carbamoyl]phenyl]formamido)propanoate dianions (L2−) in an approximately square-pyramidal geometry. The coordinating water molecule is located on a twofold rotation axis while theL2−anion sits about an inversion center. TheL2−anions bridge the CuIIcations, forming polymeric chains propagating along the [101] direction. In the crystal, O—H...O, N—H...O hydrogen bonds and weak C—H...π interaction link the polymeric chains and the solvent water molecules into a three-dimensional supramolecular architecture.

scholarly journals Tetraaquabis(N,N-dimethylformamide-κO)zinc(II) bis[(2-{3-[2-(carboxylatomethoxy-κ2 O,O′)phenyl]pyrazol-1-yl-κN 2}acetato-κO)chloridozincate(II)]

2012 ◽  
Vol 68 (6) ◽  
pp. m817-m817
Author(s):  
Jie Yang ◽  
Lei Shen ◽  
Cheng Ji ◽  
Xiao-Feng Shen ◽  
Gao-Weng Yang
Keyword(s):  
Three Dimensional ◽  
Dimensional Structure ◽  
Distorted Octahedral Geometry ◽  
Inversion Center ◽  
Asymmetric Unit ◽  
Pyramidal Geometry ◽  
Acetate Ligand ◽  
Dimensional Network ◽  
Distorted Octahedral ◽  
Cl Atom

The asymmetric unit of the title compound, [Zn(C3H7NO)2(H2O)4][Zn(C13H10N2O5)Cl]2, is composed of a single anion and half a cation. The ZnII atom in the monoanion has a distorted triganol–pyramidal geometry, being coordinated by three O atoms and one N atom from one 2-{3-[2-(carboxylatomethoxy)phenyl]pyrazol-1-yl}acetate ligand and one Cl atom. In the dication, the ZnII atom is located on an inversion center and is coordinated by six O atoms in a slightly distorted octahedral geometry. In the crystal, the ions are linked by O—H...O hydrogen bonds, forming a two-dimensional network lying parallel to the ab plane. There are also C—H...O and C—H...Cl interactions present, which lead to the formation of a three-dimensional structure.

scholarly journals Crystal structure of di-μ-hydroxido-bis{aqua[ethyl (1,10-phenanthrolin-3-yl)phosphonato-κ2N,N′]copper(II)} heptahydrate

2018 ◽  
Vol 74 (12) ◽  
pp. 1751-1754
Author(s):  
Alexander Yu. Mitrofanov ◽  
Yoann Rousselin
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonds ◽  
Water Molecule ◽  
Title Compound ◽  
Binuclear Complex ◽  
Three Dimensional ◽  
Water Molecules ◽  
Hydroxyl Groups ◽  
Pyramidal Geometry ◽  
Square Pyramidal Geometry

In the title compound, [Cu2(OH)2{C12H7N2(PO3C2H5)}2(H2O)2]·7H2O, two Cu2+cations are bridged by two hydroxide groups, forming a centrosymmetric binuclear complex. Each Cu2+cation is further coordinated by the N atoms of a bidentate ethyl (1,10-phenanthrolin-3-yl)phosphonate anion and a water molecule in a square-pyramidal geometry. In the crystal, a network of O—H...O hydrogen bonds involving the P(O)(O−)(OEt) groups, bridging hydroxyl groups, coordinated and uncoordinated water molecules generates a three-dimensional supramolecular structure. The ethyl group exhibits disorder and was modelled over three sites with occupancies of 0.455, 0.384 and 0.161.

Bis(2-aminoacetato-κ2 N,O)aquanickel(II)

2006 ◽  
Vol 62 (4) ◽  
pp. m728-m730
Author(s):  
Yang-Jun Ding ◽  
Yu-Xi Sun ◽  
Nian-Wei Zhang
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonds ◽  
Water Molecule ◽  
Title Compound ◽  
Three Dimensional ◽  
Apical Position ◽  
Pyramidal Geometry ◽  
Dimensional Network ◽  
Coordinated Water ◽  
Square Pyramidal Geometry

The title compound, [Ni(C2H5NO2)2(H2O)], is a mononuclear nickel(II) complex. The NiII atom is five-coordinated by two N atoms and two O atoms from two glycinate ligands in basal plane positions, and by one O atom from a coordinated water molecule in the apical position, forming a slightly distorted square-pyramidal geometry. In the crystal structure, molecules are linked through intermolecular N—H...O and O—H...O hydrogen bonds, forming a three-dimensional network.

scholarly journals (2-Amino-7-methyl-4-oxidopteridine-6-carboxylato-κ3O4,N5,O6)aqua(ethane-1,2-diamine-κ2N,N′)nickel(II) dihydrate

2013 ◽  
Vol 69 (2) ◽  
pp. m99-m100 ◽  
Author(s):  
Siddhartha S. Baisya ◽  
Parag S. Roy
Keyword(s):  
Three Dimensional ◽  
Octahedral Geometry ◽  
Distorted Octahedral Geometry ◽  
Water Molecules ◽  
Complex Molecules ◽  
Lattice Water ◽  
Dimensional Network ◽  
Centroid Distance ◽  
Distorted Octahedral ◽  
The Mean

The NiIIatom in the title complex, [Ni(C8H5N5O3)(C2H8N2)(H2O)]·2H2O, is six-coordinated in a distorted octahedral geometry by a tridentate 2-amino-7-methyl-4-oxidopteridine-6-carboxylate (pterin) ligand, a bidentate ancillary ethane-1,2-diamine (en) ligand and a water molecule. The pterin ligand forms two chelate rings. The en and pterin ligands are arranged nearly orthogonally [dihedral angle between the mean plane of the en molecule and the pterin ring = 77.1 (1)°]. N—H...O, O—H...N and O—H...O hydrogen bonds link the complex molecules and lattice water molecules into a three-dimensional network. π–π interactions are observed between the pyrazine and pyrimidine rings [centroid–centroid distance = 3.437 (2) Å].

scholarly journals Diaquabis(nicotinamide-κN1)bis(thiocyanato-κN)nickel(II)

2014 ◽  
Vol 70 (5) ◽  
pp. m183-m183
Author(s):  
Deepanjali Pandey ◽  
Shahid S. Narvi ◽  
Gopal K. Mehrotra ◽  
Raymond J. Butcher
Keyword(s):  
Hydrogen Bonds ◽  
Three Dimensional ◽  
Water Molecules ◽  
Inversion Center ◽  
Amino Groups ◽  
Complex Molecules ◽  
Octahedral Environment ◽  
Centroid Distance ◽  
Distorted Octahedral ◽  
Monodentate Ligands

In the title complex, [Ni(NCS)2(C6H6N2O)2(H2O)2], the NiIIion is located on an inversion center and is coordinated in a distorted octahedral environment by two N atoms from two nicotinamide ligands and two water molecules in the equatorial plane, and two N atoms from two thiocyanate anions in the axial positions, all acting as monodentate ligands. In the crystal, weak N—H...S hydrogen bonds between the amino groups and the thiocyanate anions form anR42(8) motif. The complex molecules are linked by O—H...O, O—H...S, and N—H...S hydrogen bonds into a three-dimensional supramolecular structure. Weak π–π interactions between the pyridine rings is also found [centroid–centroid distance = 3.8578 (14) Å].

scholarly journals Di-μ-thiosemicarbazide-κ4S:S-bis[chloridobis(triphenylphosphane-κP)silver(I)]

2013 ◽  
Vol 69 (2) ◽  
pp. m83-m84 ◽  
Author(s):  
Yupa Wattanakanjana ◽  
Chaveng Pakawatchai ◽  
Ruthairat Nimthong
Keyword(s):  
Three Dimensional ◽  
Chloride Ion ◽  
Stacking Interactions ◽  
Coordination Geometry ◽  
Inversion Center ◽  
Tetrahedral Coordination ◽  
Complex Molecules ◽  
Dimensional Network ◽  
Centroid Distance ◽  
Distorted Tetrahedral Coordination

The dinuclear title complex, [Ag2Cl2(CH5N3S)2(C18H15P)2], lies across an inversion center. The AgIion exhibits a slightly distorted tetrahedral coordination geometry formed by a P atom from a triphenylphosphane ligand, two metal-bridging S atoms from thiosemicabazide ligands and one chloride ion. The S atoms bridge two symmetry-related AgIions, forming a strictly planar Ag2S2core with an Ag...Ag separation of 2.7802 (7) Å. There is an intramolecular N—H...Cl hydrogen bond. In the crystal, N—H...Cl and N—H...S hydrogen bonds link complex molecules, forming layers parallel to (001). These layers are connected through π–π stacking interactions [centroid–centroid distance = 3.665 (2) Å], leading to the formation of a three-dimensional network.

scholarly journals Crystal structure of bis[(phenylmethanamine-κN)(phthalocyaninato-κ4N)zinc] phenylmethanamine trisolvate

2015 ◽  
Vol 71 (9) ◽  
pp. 1026-1031 ◽  
Author(s):  
Norzianah Shamsudin ◽  
Ai Ling Tan ◽  
Franz L. Wimmer ◽  
David J. Young ◽  
Edward R. T. Tiekink
Keyword(s):  
Complex Molecule ◽  
Three Dimensional ◽  
Complex Molecules ◽  
Torsion Angles ◽  
Π Interactions ◽  
Pyramidal Geometry ◽  
Centroid Distance ◽  
Benzene Rings ◽  
Solvent Molecules ◽  
Square Pyramidal Geometry

The asymmetric unit of the title compound, 2[Zn(C32H16N8)(C7H9N)]·3C7H9N, comprises two independent complex molecules and three benzylamine solvent molecules. Each complex molecule features a pentacoordinated Zn2+ion within a square-pyramidal geometry, whereby the N5donor set is defined by four atoms of the phthalocyaninate dianion (PC) and an N-bound benzylamine molecule; it is the relative orientations of the latter that differentiate between the independent complex molecules. The uncoordinated benzylamine molecules display different conformations in the structure, withsyn-Car—Car—Cm—N (ar = aromatic, m = methylene) torsion angles spanning the range −28.7 (10) to 35.1 (14)°. In the crystal, N—H...N and N—H...π interactions lead to supramolecular layers in theabplane. The layers have a zigzag topology, have the coordinating and non-coordinating benzylamine molecules directed to the inside, and present the essentially flat PC resides to the outside. This arrangement enables adjacent layers to associateviaπ–π interactions [inter-centroid distance between pyrrolyl and fused-benzene rings = 3.593 (2) Å] so that a three-dimensional architecture is formed.

scholarly journals cyclo-Tetrakis{μ-N′-[(8-oxidoquinolin-7-yl)methylidene]isonicotinohydrazidato}tetrazinc tetrahydrate

2012 ◽  
Vol 68 (6) ◽  
pp. m727-m728
Author(s):  
Xiang-Wen Wu ◽  
Qing-Long Li ◽  
Jian-Ping Ma ◽  
Yu-Bin Dong
Keyword(s):  
Hydrogen Bonds ◽  
Title Compound ◽  
Water Molecules ◽  
Deprotonated Form ◽  
Complex Molecules ◽  
Lattice Water ◽  
Pyramidal Geometry ◽  
Centroid Distance ◽  
A Chain ◽  
Square Pyramidal Geometry

In the title compound, [Zn4(C16H10N4O2)4]·4H2O, the N′-[(8-oxidoquinolin-7-yl)methylidene]isonicotinohydrazidate (L 2−) ligand binds to the metal ions, forming stable five- and six-membered chelate rings, leaving the pyridyl groups free. The compound is a tetranuclear ZnII complex centered about a fourfold roto-inversion axis, with the ligand coordinating in the doubly deprotonated form. The ZnII atom has a distorted square-pyramidal geometry being coordinated by one N and two O-atom donors from the doubly deprotonated L 2− ligand, and by one N atom and one O-atom donor from a symmetry-related L 2− ligand. In the crystal, four symmetry-related lattice water molecules, centred about a fourfold roto-inversion axis, form a cyclic tetramer through O—H...O hydrogen bonds. These tetramers connect to the complex molecules through O—H...N hydrogen bonds, forming a chain propagating along [100]. Neighbouring molecules are linked by π–π interactions [centroid–centroid distance = 3.660 (2) Å] involving the quinolidine rings.

scholarly journals Poly[di-μ9-citrato-tetrasodiumzinc]

2013 ◽  
Vol 69 (12) ◽  
pp. m672-m672 ◽  
Author(s):  
Yu-Hong Ma ◽  
Hong-Wei Yang ◽  
Jing-Tuan Hao ◽  
Pi-Zhuang Ma ◽  
Ting Yao
Keyword(s):  
Three Dimensional ◽  
Octahedral Geometry ◽  
Distorted Octahedral Geometry ◽  
Inversion Center ◽  
Asymmetric Unit ◽  
Pyramidal Geometry ◽  
Carboxylate Groups ◽  
Dimensional Network ◽  
Distorted Octahedral ◽  
Square Pyramidal Geometry

In the title compound, [Na4Zn(C6H5O7)2]n, the ZnIIion lies on an inversion center and is coordinated by six O atoms from two citrate ligands, forming a distorted octahedral geometry. There are two crystallographically independent Na+cations in the asymmetric unit. One Na+cation exhibits a distorted square-pyramidal geometry defined by five O atoms from four citrate ligands. The other Na+cation is surrounded by six O atoms from five citrate ligands in a distorted octahedral geometry. The Na+cations are bridged by citrate carboxylate groups, forming a layer parallel to (100). The layers are further assembled into a three-dimensional network with the [Zn(citrate)2]4−building units as `pillars'; O—H...O hydrogen bonds also stabilize the structure.

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