A Cu–Mn complex of a Schiff base containing alanylglycine: hexaaquamanganese(II) bis{[N-(2-oxidobenzylidene)alanylglycinato]cuprate(II)} dodecahydrate

2006 ◽  
Vol 62 (5) ◽  
pp. m1109-m1111
Author(s):  
Wen-Long Liu ◽  
Yao Lu ◽  
Xin-Fang Liu ◽  
Yan-Yan Zhang ◽  
Xiao-Ya Hu
Keyword(s):  
Schiff Base ◽  
Schiff Base Ligand ◽  
Title Compound ◽  
Tetradentate Schiff Base ◽  
Square Planar ◽  
Stacking Structure

In the title compound, [Mn(H2O)6][Cu(C12H11N2O4)]2·12H2O, the Cu atom has a square-planar coordination with two N and two O atoms of the tetradentate Schiff base ligand. The centrosymmetric cation [Mn(H2O)6]2+ and anion [CuL]− (L is a Schiff base derived from alanylglycine and salicylaldehyde) occupy a stacking structure within well separated columns along the c axis.

Hexaaquacadmium(II) bis{[N-(2-oxidobenzylidene)alanylglycinato]cuprate(II)} dodecahydrate

2006 ◽  
Vol 62 (7) ◽  
pp. m1582-m1583
Author(s):  
Wen-Long Liu ◽  
Yan-Yan Zhang ◽  
Yao Lu ◽  
Xiao-Ya Hu
Keyword(s):  
Schiff Base ◽  
Schiff Base Ligand ◽  
Title Compound ◽  
Inversion Center ◽  
Tetradentate Schiff Base ◽  
Square Planar ◽  
Distorted Octahedral

In the title compound, [Cd(H2O)6][Cu(C12H11N2O4)]2·12H2O, the Cd2+ ion lies on an inversion center and the coordination by six aqua ligands is slightly distorted octahedral. The CuII atom has a square-planar coordination with two N and two O atoms of the tetradentate Schiff base ligand L 3−, which was derived from alanylglycine and salicylaldehyde. The [Cd(H2O)6]2+ cations and [CuL]− anions each form columns along the c axis; these are well segregated from each other.

{1-[2-(Methylamino)ethyliminomethyl]naphthalen-2-olato}thiocyanatocopper(II)

2006 ◽  
Vol 62 (7) ◽  
pp. m1533-m1534 ◽  
Author(s):  
Han-Na Hou
Keyword(s):  
Schiff Base ◽  
Schiff Base Ligand ◽  
Title Compound ◽  
Planar Geometry ◽  
Asymmetric Unit ◽  
Thiocyanate Anion ◽  
Square Planar

The title compound, [Cu(C14H15N2O)(NCS)], is a mononuclear copper(II) complex, with two molecules in the asymmetric unit. The CuII ion is coordinated by one O and two N atoms of a Schiff base ligand, and by one N atom of a thiocyanate anion, forming a square-planar geometry.

Azido{1-[(2-diethylaminoethylimino)methyl]naphthalato}copper(II)

2006 ◽  
Vol 62 (4) ◽  
pp. m849-m850 ◽  
Author(s):  
Xiao-Yang Qiu
Keyword(s):  
Schiff Base ◽  
Schiff Base Ligand ◽  
Title Compound ◽  
Coordination Geometry ◽  
Azide Anion ◽  
Square Planar

The title compound, [Cu(C17H21N2O)(N3)], is a mononuclear copper(II) complex. The central CuII ion is four-coordinated by one O and two N atoms of the Schiff base ligand, and by one N atom of an azide anion, forming a distorted square-planar coordination geometry.

Azido{2-[(tri-2-pyridylmethyl)iminomethyl]phenolato}nickel(II)

2007 ◽  
Vol 63 (11) ◽  
pp. m2812-m2812 ◽  
Author(s):  
Lai-Jin Tian ◽  
Hong-Jun Yang ◽  
Zhong-Hai Ni
Keyword(s):  
Schiff Base ◽  
Schiff Base Ligand ◽  
Sodium Azide ◽  
Title Compound ◽  
Methanol Solution ◽  
The Other ◽  
Planar Geometry ◽  
Square Planar ◽  
Azide Ligand

The title compound, [Ni(C23H17N4O)(N3)], was obtained by the reaction of the Schiff base ligand 2-[(tri-2-pyridylmethyl)iminomethyl]phenol with sodium azide and nickel(II) perchlorate in methanol solution. The NiII atom is four-coordinated by the phenolate O, the imine N and a pyridine N atom of the Schiff base ligand, and by the terminal N atom of an azide ligand, forming a square-planar geometry. The other two pyridyl rings are oriented at an angle of 72.29 (11)° to each other.

scholarly journals 4,4′,6,6′-Tetrabromo-2,2′-[(E,E)-ethane-1,2-diylbis(nitrilomethanylylidene)]diphenol

2012 ◽  
Vol 68 (8) ◽  
pp. o2348-o2348 ◽  
Author(s):  
Hadi Kargar ◽  
Reza Kia ◽  
Amir Adabi Ardakani ◽  
Muhammad Nawaz Tahir
Keyword(s):  
Schiff Base ◽  
Hydrogen Bonds ◽  
Intermolecular Interactions ◽  
Schiff Base Ligand ◽  
Title Compound ◽  
Inversion Center ◽  
Asymmetric Unit ◽  
Tetradentate Schiff Base ◽  
Compound C

The asymmetric unit of the title compound, C16H12Br4N2O2, comprises half of a potential tetradentate Schiff base ligand. The whole molecule is generated by an inversion center located in the middle of the C—C bond of the ethylene segment. There are intramolecular O—H...N hydrogen bonds makingS(6) ring motifs. In the crystal, no significant intermolecular interactions are observed.

scholarly journals Crystal structure of [2-({2-[(2-azanidylbenzylidene)amino]benzylidene}amino)-4-chlorophenolato]nickel(II)

2017 ◽  
Vol 73 (4) ◽  
pp. 637-639 ◽  
Author(s):  
Fumiya Kobayashi ◽  
Atsushi Koga ◽  
Ryo Ohtani ◽  
Shinya Hayami ◽  
Masaaki Nakamura
Keyword(s):  
Schiff Base ◽  
Schiff Base Ligand ◽  
Title Complex ◽  
Coordination Geometry ◽  
Π Interactions ◽  
Bond Forming ◽  
Tetradentate Schiff Base ◽  
Centroid Distance ◽  
Square Planar ◽  
A Chain

The title complex, [Ni(C20H14ClN3O)], with an asymmetrically chloride-appended Schiff base ligand has been synthesized and structurally characterized at 100 K. In the compound, the central nickel(II) ion has a square-planar coordination geometry with N3O donors of the π-conjugated tetradentate Schiff base ligand. In the crystal, the complexes are connected into an inversion dimerviaan Ni...Ni interaction [3.1753 (5) Å] and a pair of π–π interactions [centroid–centroid distance = 3.8416 (16) Å]. The dimers are linkedviaa C—H...Cl hydrogen bond, forming a chain along thec-axis direction. The dimer chains interact with each other through π–π interactions [centroid–centroid distance = 3.8736 (16) Å], forming a layer expanding parallel to theacplane.

{6,6′-Dimethoxy-2,2′-[ethane-1,2-diylbis(nitrilomethylidyne)]diphenolato}nickel(II) chloroform solvate

2006 ◽  
Vol 62 (5) ◽  
pp. m948-m949 ◽  
Author(s):  
Yu-Ye Yu
Keyword(s):  
Schiff Base ◽  
Solid State ◽  
Schiff Base Ligand ◽  
Solid State Reaction ◽  
Title Compound ◽  
Coordination Geometry ◽  
Square Planar ◽  
Salen Ligand

The title compound, [Ni(C18H18N2O4)]·CHCl3, has been synthesized by the solid-state reaction of Ni(OAc)2·4H2O and the Schiff base ligand N,N′-ethylene-bis(3-methoxysalicylaldehyde) [abbreviated as H2(3-MeO-salen)]. The Ni atom adopts a slightly deformed square-planar coordination geometry in which the 3-MeO-salen ligand acts as a cis-N2O2 donor.

scholarly journals {4,4′,6,6′-Tetrabromo-2,2′-[(2,2-dimethylpropane-1,3-diyl)bis(nitrilomethanylylidene)]diphenolato}copper(II)

2012 ◽  
Vol 68 (4) ◽  
pp. m392-m392
Author(s):  
Hadi Kargar ◽  
Reza Kia ◽  
Mahbubeh Haghshenas ◽  
Muhammad Nawaz Tahir
Keyword(s):  
Crystal Structure ◽  
Schiff Base ◽  
Dihedral Angle ◽  
Schiff Base Ligand ◽  
Title Compound ◽  
Rotation Axis ◽  
Centroid Distance ◽  
Square Planar ◽  
Benzene Rings

In the title compound, [Cu(C19H16Br4N2O2)], the CuIIion and the substituted C atom of the diamine fragment lie on a crystallographic twofold rotation axis. The geometry around the CuIIion is distorted square-planar, which is defined by the N2O2donor atoms of the coordinated Schiff base ligand. The dihedral angle between the symmetry-related substituted benzene rings is 25.33 (14)°. The crystal structure is stabilized by an intermolecular π–π interaction [centroid–centroid distance = 3.8891 (18) Å].

Hexaaquanickel(II) bis{[N-(2-hydroxybenzylidene)alanylglycinato]cuprate(II)} dodecahydrate

2006 ◽  
Vol 62 (7) ◽  
pp. m1508-m1509
Author(s):  
Bin Xu ◽  
Yan-Yan Zhang ◽  
Wen-Long Liu ◽  
Xiao-Ya Hu
Keyword(s):  
Crystal Structure ◽  
Schiff Base ◽  
Schiff Base Ligand ◽  
Title Compound ◽  
Octahedral Geometry ◽  
Water Molecules ◽  
Inversion Center ◽  
Solvent Water ◽  
Square Planar ◽  
Complex Anions

The crystal structure of the title compound, [Ni(H2O)6][Cu(C12H11N2O4)]2·12H2O, consists of CuII complex anions, NiII complex cations and solvent water molecules. The CuII ion is located on a general position and coordinated by a Schiff base ligand with a square-planar CuN2O2 geometry. The NiII ion is located on an inversion center and coordinated by six water molecules in an octahedral geometry.

Sign in / Sign up

Export Citation Format

Share Document