axial positions
Synthesis and Characterization of Zirconium (IV) Derivatives of Meso-tetra(p-methylphenyl)porphyrin with Acetylacetonate and Different Phenolates at Axial Positions
... In continuation with the previous research work carried out with axially ligated Zirconium(IV)p- methoxy-meso-tetraphenylporphyrin[Zr(p-OCH 3 TPP)(Y)(X) [Y = acac and X = different phenolates] here we have undertaken to ...
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Synthesis and Spectroscopic Studies of Zirconium(IV) Porphyrins with Acetylacetonate and Phenolates at Axial Positions
... an axial ligand in chloroform is shown in the (Table ...an axial ligand show hypso-chromic shift (blue-shift) and variation in intensities of absorption bands when compared to their respective free base ...
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Bis(pyrazine 2 carboxamide)bis(trifluoromethanesulfonato)copper(II) monohydrate
... square-grid network. In acetylacetonato(pyca)copper(II) perchlorate monohydrate (Zhong et al., 1990), which has a similar bidentate coordination mode to the title compound, the Cu—O and Cu—N distances are 2.008 (6) and ...
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trans Tricarbonylbis[diphenyl(benzoylmethyl)phosphine]iron(0)
... position: the Fe atom and one of the carbonyl groups lie on the twofold axis. The Fe atom has an almost undistorted trigonal- bipyramidal coordination environment. The trans-phosphine ligands are in axial ...
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Dihydridotetrakis(3 picoline)silicon dibromide chloroform tetrasolvate
... a hexacoordinated Si atom located on a crystallographic centre of inversion. The coordination of the Si atom can be described as a slightly distorted octahedron, with the 3- picoline ligands in the equatorial plane and ...
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Steady swimming muscle dynamics in the leopard shark Triakis semifasciata
... Because the wave of muscle activation travels down the body faster than the wave of lateral displacement, the phase of the muscle length change (strain) cycle in which red muscle is active also varies along the body. ...
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[N,N′ Bis(1 benzoylethylidene)propylenediiminato(2–)]dipyrrolidinecobalt(III) perchlorate
... equatorial positions and the two amine (pyrrolidine, prldn) molecules occupy the two axial ...pyrrolidine axial ligands are involved in hydrogen bonds with the O atoms of the perchlorate anions, ...
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Thermal dependence of contractile properties of the aerobic locomotor muscle in the leopard shark and shortfin mako shark
... not ubiquitous, among bony fishes (Gillis, 1998; Altringham and Ellerby, 1999; Coughlin, 2002). Studies have shown differences in patterns of power production and variation in isometric twitch kinetics along the body in ...
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Anticancer activities of a β amino alcohol ligand and nanoparticles of its copper(II) and zinc(II) complexes evaluated by experimental and theoretical methods
... this case is tridentate, along with two chloro ligands. The s value is 0.61, conrming a trigonal bipyramidal geometry (Fig. 6 and 7). A structural study of the CSD database revealed that this geometry is not common ...
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Triaqua(1,10 phenanthroline)sulfatocadmium(II)
... octahedral (Table 1), in which sulfate atom O1 and water atom O7 occupy the axial positions, while the equatorial plane is formed by N1, N2, O5 and O6. Through OÐH O hydrogen bonds, the crystal structure ...
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Crystal structure of bis[(5 amino 1H 1,2,4 triazol 3 yl κN4)acetato κO]diaquanickel(II) dihydrate
... in axial positions and two O and two N atoms from two trans-oriented chelating anions of the deprotonated ATAA ligand, forming a slightly distorted ...
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SYNTHESIS, CRYSTAL STRUCTURE, AND SPECTRAL AND MAGNETIC PROPERTIES OF CHLORO-BRIDGED CHAIN COMPLEX OF DINUCLEAR RUTHENIUM(II,III) 3,4,5-TRIETHOXYBENZOATE
... The single-crystal X-ray analysis at 90 K shows a chain structure of 1·1.2nC 2 H 5 OH, of which the axial positions of the paddlewheel-type dinuclear ruthenium core are occupied by chloro ligands. The ORTEP ...
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Diacetato[2,6 bis(2 pyridylamino)pyridine]nickel(II)
... ligand and two acetate anions (Fig. 1). The tpdaH2 ligand is mer-coordinated, with the peripheral N1 and N5 atoms in the axial positions and the central N3 atom equatorial. The remaining equatorial ...
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Tetracarbonyl(tricyclohexylphosphine)iron(0)
... The Fe atom in (I) is coordinated in a trigonal–bipyramidal fashion with the phosphine ligand situated in one of the axial positions. Taking into account the standard uncertainties, the Fe—C bonds are ...
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[Diaquasesqui(nitrato κO)hemi(perchlorato κO)copper(II)] μ {bis[5 methyl 3 (pyridin 2 yl) 1H pyrazol 4 yl] selenide} [triaqua(perchlorato κO)copper(II)] nitrate monohydrate
... The axial positions in one octahedron are occupied by a water molecule and a monodentately coordinated perchlorate anion, while those in the other are occupied by a nitrate anion and a disordered ...
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catena Poly[[bis(α thenoyltrifluoroacetonato)copper(II)] μ 1,4 di 4 pyridyl 2,3 diazabuta 1,3 diene]
... fashion. Two pyridyl N donor atoms, one from each of two different symmetry related L ligands, complete the octahedral coordination sphere by occupying the axial positions. The average Cu—O bond length is ...
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(1R,2S,4S,4aS,8S,8aS) 4 Hydroxy 8,8a dimethyl 10 oxo 2,3,4,7,8,8a hexahydro 1H 4a,1 (epoxymethano)naphthalen 2 yl acetate
... skeleton, with a trans-decaline backbone constrained by the lactone bridge. The -hydroxy substituent and the methyl group belonging to the two decaline rings are in axial positions, whereas the other methyl ...
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[Hg(pyridine)2][Cr2O7], a compound used for a quick assay method to quantify soluble HgII ions
... The two crystallographically independent mercury atoms are located at special positions with site symmetry 2 for Hg1 (Fig. 1) and 1 for Hg2 (Fig. 2), respectively. Both have a distorted octahedral coordination ...
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Diagnostic Performance of a 10 Minute Gadolinium Enhanced Brain MRI Protocol Compared with the Standard Clinical Protocol for Detection of Intracranial Enhancing Lesions
... T1-weighted axial and 3D MPRAGE, to increase our sensitivity for the detection of enhancing lesions and to be in agreement with the standard pro- tocol in our department, which includes 2 different T1-weighted ...
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Prediction of dynamic milling stability considering time variation of deflection and dynamic characteristics in thin walled component milling process
... The new SLD is obtained with the computational flow of SLD shown in Figure 1. In step 1, the initial milling force is calculated by initial milling parameters. In step 2, the deflections of workpiece on the nods at first ...
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