SQUARE-PYRAMIDAL
Stereochemical features of five-coordinate dimeric square pyramidal oxovanadium (iv) complexes
... In the present paper, oxovanadium (IV) complexes of the composition [VO(L)] 2 or [VO(L )] 2 nH 2 O(n= 2, 4 and L = (C 19 H 16 N 2 O 2 ), (C 20 H 18 N 2 O 3 ), (C 21 H 20 N 2 O 3 ), (C 23 H 18 N 2 O 2 ), have been ...
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New Square Pyramidal Oxovanadium (IV) Complexes Derived from Polydentate Ligand (L1)
... The IR spectrum of the [VOL12,4-pentadionate] Cl·4HCl Figure S2 estimates bands, which are shifted to lower wave numbers and are observed at 1634 and 1576 cm−1 and are referred to the ba[r] ...
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μ Cyanido κ2C:N dicyanido κ2C bis(N ethylethylenediamine κ2N,N′)copper(II)copper(I)
... slightly-distorted square- pyramidal coordination environment, with the N atoms of the two symmetry-related N-ethylethylenediamine ligands occu- pying the basal positions and an N-bonded cyanide group in ...
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Aqua(pyridine κN)(N salicylidenetyrosinato κ3O,N,O′)copper(II)
... The tridentate Schiff base ligand derived from the condensation of salicylaldehyde and dl-tyrosine, in the presence of pyridine, forms a square pyramidal ®ve-coord- inate Cu complex of type (i) with a water ...
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Two CuII complexes of 3,4,5 trimethyl 1H pyrazole
... a square-pyramidal coordination geometry, oriented such that the pyrazole ligands occupy the four planar positions around Cu II , with a water molecule occupying the axial ...the square- ...
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Dichlorido{2 (morpholin 4 yl) N [1 (pyridin 2 yl)ethylidene]ethanamine κ3N,N′,N′′}copper(II) monohydrate
... distorted square-pyramidal coordination geometry around the Cu II ion in which the three N atoms and one Cl atom are located in the basal plane and the other Cl atom is at the apical ...
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(Acetone κO){6,6′ di tert butyl 2,2′ [1,2 phenylenebis(nitrilomethylidyne)]diphenolato κ4O,N,N′,O′}zinc(II)
... from the O1/N1/O1A/N1A plane by 0.023 Å toward the apical acetone molecule. The basal bond angles O–Zn–N [O1– Zn1–N1 = 90.24 (15) °] are close to 90° whereas the O–Zn–O [O1–Zn1–O1A = 97.4 (2)°] angle is bigger than 90° ...
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[μ 10,21 Di tert butyl 4(S),5(S),15(S),16(S) tetraphenyl 3,6,14,17 tetraazatricyclo[17 3 1 18,12]tetracosa 1(23),2,6,8,10,12(24),13,17,19,21 decaene 23,24 diolato](μ ethylene glycol)dinickel(II) diperchlorate dihydrate
... a parallelogram, which has a twofold axis (Fig. 1 and Table 1). There are also four N atoms from the ligand coordinated to the two Ni atoms in a macrocyclic plane. Above the plane, two O atoms from a glycol molecule ...
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Crystal structure of bis{μ 2 methoxy 6 [(methylimino)methyl]phenolato}bis({2 methoxy 6 [(methylimino)methyl]phenolato}nickel(II)) involving different coordination modes of the same Schiff base ligand
... centrosymmetric dimers. Two nitrogen and three oxygen atoms of two Schiff base ligands singly deprotonated at the phenolate site form a square-pyramidal environment for each metal atom. The ligands are ...
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(3 Acetyl 5 carboxylato 4 methyl 1H pyrazol 1 ido κ2N1,O5)aqua[(pyridin 2 yl)methanamine κ2N,N′]copper(II)
... distorted square-pyramidal environment formed by two bidentate (N, O) and (N, N) chelating ligands occupying four equatorial coordination sites and by the apically coordinated water ...for ...
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Poly[diaqua μ3 4 nitrophthalato copper(II)]
... approximate square-pyramidal coordination as it is bonded to O atoms from the carboxylate groups of three 4-nitrophthalate ligands and two O atoms of the non-equivalent coordinated water ...
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catena Poly[[(N,N dimethylpropane 1,3 diamine)thiocyanatocopper(II)] μ thiocyanato]
... a square-pyramidal geometry, with two N atoms of the N,N-dimethylpropane-1,3-diamine ligand and two N atoms from two thiocyanate ligands defining the basal plane, and one S atom of another thiocyanate ...
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Aqua{2,2′ [propane 1,3 diylbis(nitrilomethylidyne)]diphenolato}zinc(II)
... atom has a distorted pentacoordinate square-pyramidal geometry. A mirror plane passes through the Zn II atom, the central C atom of the propyl group and the O atom of the coordinated water molecule. The two ...
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Methoxy[3 methoxysalicylaldehyde (4 methoxybenzoyl)hydrazonato(2–) κ3O,O′,N]oxovanadium(V)
... The VV atom of the title complex, [VOLCH3O] [L is 3-methoxysalicylaldehyde 4-methoxybenzoylhydrazonate2ÿ, C16H14N2O4], has a square pyramidal O4N con®guration, with two O atoms and one N[r] ...
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Crystal structure of bis(μ2 4 tert butyl 2 formylphenolato) 1:2κ3O1,O2:O1;3:4κ3O1,O2:O1 bis(4 tert butyl 2 formylphenolato) 2κ2O1,O2;4κ2O1,O2 di μ3 methoxido 1:2:3κ3O;1:3:4κ3O di μ2 methoxido 1:4κ2O;2:3κ2O tetracopper(II)
... dimeric dinuclear copper(II) complexes oriented around a centre of inversion. Within each dinuclear fragment, the two Cu II atoms are in a distorted square- planar coordination sphere. Two neighbouring fragments ...
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A two dimensional coordination polymer containing copper(II): poly[[(1H benzimidazole κN3)copper(II)] μ3 3 carboxylatophenoxyacetato κ4O,O′:O′′:O′′′]
... square-pyramidal coordination environment, de®ned by one N atom from the terminal benzimidazole molecule and four carboxyl O atoms derived from three different 3-carboxylato- phenoxyacetate (3-CPOA) ...
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catena Poly[[[aqua(di 2 pyridylamine κ2N2,N2′)copper(II)] μ thiophene 2,5 dicarboxylato κ2O2:O5] N,N dimethylformamide monohydrate]
... a square-pyramidal environment defined by an apically coordinated water molecule, two carboxylate O atoms from two different thiophene-2,5- dicarboxylate dianions and the two N atoms of the chelating 2,2 0 ...
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catena Poly[[(pyridine κN)copper(II)] μ N salicylideneglycinato κ4O,N,O′:O′]
... The tridentate Schiff base ligand derived from the condensa- tion of salicylaldehyde and glycine, in the presence of pyridine, forms the title polymeric square-pyramidal ®ve-coordinate copper complex, [Cu(C ...
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(Benzoylacetonato)chloro[3 (dimethylamino)propylamine]copper(II)
... distorted square-pyramidal geometry, being coordinated by two O atoms of a benzoyl- acetonate ligand and two N atoms of a 3-dimethylamino-1- propylamine ligand in the basal plane, while a Cl atom occu- pies ...
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Synthesis, crystal structure and biological activity of a copper(II) complex with a 4-nitro-3-pyrazolecarboxylic ligand
... hydrogen bonds involving the pyrazole ring substituents, coordinated water and the lattice water molecules. A CSD search revealed only rare cases of complexes in which pz-bridged Cu(II) ions display octahedral ...
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