Jinhua Professional Technical College

Jinhua, China

Jinhua Professional Technical College

Jinhua, China
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Lin H.,Jinhua Professional Technical College | Zhang Y.-P.,Zhejiang Normal University
Acta Crystallographica Section E: Structure Reports Online | Year: 2013

Single crystals of the title compound, C19H16N 2O4, were obtained under hydrthermal conditions by an unintended recrystallization of the employed microcrystalline starting material. The [(pyridin-4-yl)methoxy]benzoic acid unit is nearly planar, with a maximum deviation from the least-squares plane of 0.194 (2) Å. This plane is inclined by 35.82 (6)° to that defined by the second (pyridin-4-yl)methoxy group [in which the largest deviation from the least-squares plane is 0.013 (2) Å]. In the crystal, molecules are linked by O - H⋯N hydrogen bonds involving the acid hydroxy group and a pyridine N atom into chains parallel to [-201].


Lin H.,Jinhua Professional Technical College | Wang X.-J.,Zhejiang Normal University
Acta Crystallographica Section E: Structure Reports Online | Year: 2011

In the title mononuclear ZnII complex, [Zn(C13H 19N2O2)2]·-2H2O, the ZnII atom is coordinated by two O atoms and three N atoms from two crystallographically different Schiff base ligands in a distorted trigonal-bipyramidal environment. One O and two N atoms constitute the base of the pyramid, and one O and one N atoms occupy the apical positions. Intermolecular O-H⋯O and O-H⋯N hydrogen bonds between the lattice water molecules and N/O atoms of the Schiff base ligands stabilize the conformation, whereas intermolecular O-H⋯O hydrogen bonds between the two lattice water molecules lead to a chain structure in [001].


Lin H.,Jinhua Professional Technical College | Wang X.-J.,Zhejiang Normal University
Acta Crystallographica Section E: Structure Reports Online | Year: 2012

In the polymeric title complex, [Zn(C 10H 8O 4S 2)(C 10H 8N 2)(H 2O) 2] n , the Zn 2+ ion lies on a twofold rotation axis and exhibits an octa-hedral environment, in which it is coordinated by two trans O atoms from two symmetry-related 2,2′-[1,4- phenyl-enebis(sulfanedi-yl)]diacetate anions, two N atoms from one 2,2′-bipyridine ligand, and two cis O atoms from water mol-ecules. The dihedral angle between the two pyridine rings is 11.5 (1)°. Adjacent Zn 2+ ions are bridged in a monodentate manner by the diacetate anions, forming a chain structure extending parallel to [101], and are further linked into the final three-dimensional structure by O - H⋯O hydrogen bonds between the coordinating water mol-ecules as donor and the non-coordinating carboxyl-ate O atoms as acceptor atoms.


Shen Q.-L.,Zhejiang University | Lin H.,Jinhua Professional Technical College
Acta Crystallographica Section E: Structure Reports Online | Year: 2012

The title complex, [CdCl2(C9H12N 4)]n , is characterized by the formation of a zigzag chain structure parallel to [001]. In the chain, the Cd2+ cation is coordinated by four bridging Cl- ligands in equatorial positions and two N atoms from symmetry-related and likewise bridging 1,3-bis(imidazol-1-yl) propane ligands in axial positions, forming a distorted CdCl4N 2 octahedron.


Ye S.-F.,Jinhua Professional Technical College | Lin H.,Jinhua Professional Technical College
Acta Crystallographica Section E: Structure Reports Online | Year: 2010

The title compound, {(C2H8N)[Dy(C2O 4)2(H2O)]·3H2O}n, was obtained as an unexpected product under hydro-thermal conditions. The DyIII atom is chelated by four oxalate anions, two of which are situated on two different centres of inversion. The distorted tricapped trigonal-prismatic coordination sphere of the DyIII atom is completed by a water molecule. The bridging mode of the anions results in the formation of a three-dimensional network with cavities where the ammonium cations and the uncoordinated water molecules reside. The structure is stabilized by numerous N - H⋯O and O - H⋯O hydrogen-bonding interactions.


Jin Z.-N.,Jinhua Professional Technical College | Lin H.,Jinhua Professional Technical College
Acta Crystallographica Section E: Structure Reports Online | Year: 2011

The title compound, [Cu2(C2O4)2(C 3H4N2)2]n, was obtained as an unexpected product under hydro-thermal conditions. The CuII atom is in a Jahn-Teller-distorted octa-hedral environment formed by one imidazole N atom and five O atoms from three oxalate anions. The two independent oxalate anions are situated on centres of inversion and coordinate to the CuII atom in two different modes, viz. bidentate and monodentate. The bidentate anions bridge two CuII atoms, whereas the monodentate anions bridge four CuII atoms, leading to a layered arrangement parallel to (100). These layers are further linked into a final three-dimensional network structure via inter-molecular N - H⋯O hydrogen bonds. The title compound is isotypic with the Zn analogue.


PubMed | Jinhua Professional Technical College
Type: Journal Article | Journal: Acta crystallographica. Section E, Structure reports online | Year: 2011

The title compound, [Cu(2)(C(2)O(4))(2)(C(3)H(4)N(2))(2)](n), was obtained as an unexpected product under hydro-thermal conditions. The Cu(II) atom is in a Jahn-Teller-distorted octa-hedral environment formed by one imidazole N atom and five O atoms from three oxalate anions. The two independent oxalate anions are situated on centres of inversion and coordinate to the Cu(II) atom in two different modes, viz. bidentate and monodentate. The bidentate anions bridge two Cu(II) atoms, whereas the monodentate anions bridge four Cu(II) atoms, leading to a layered arrangement parallel to (100). These layers are further linked into a final three-dimensional network structure via inter-molecular N-HO hydrogen bonds. The title compound is isotypic with the Zn analogue.


PubMed | Jinhua Professional Technical College
Type: Journal Article | Journal: Acta crystallographica. Section E, Structure reports online | Year: 2011

The centrosymmetric title complex, [Ni(C(13)H(19)N(2)O(2))(2)], is a mononuclear nickel(II) complex. The Ni(II) atom is coordinated by four N atoms and two O atoms of two deprotonated Schiff base ligands, forming a slightly distorted octa-hedral coordination configuration, in which the tertiary N atoms occupy the axial positions.

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