scispace - formally typeset
Search or ask a question

Showing papers in "Polyhedron in 2013"


Journal ArticleDOI
TL;DR: In this paper, the homoleptic cobalt(II) complexes [Co(EPh)4]2− (E, O, S, Se) were isolated as (Ph4P)2[Co(OPh4]·(CH3CN) (1), K(Ph 4P)[Co (OPh) 4] (2), Ph4P 2[Co (SPh 4]4] (3), and Ph 4P 2 [Co (SePh) 2] (4) from reactions of CoCl2 or CoI

195 citations


Journal ArticleDOI
TL;DR: In this article, a thalidomide-based dithiocarbamate ligand; 3-(1,3dioxoisoindolin-2-yl)-2,6-dioxopiperidine-1-carbodithioate was synthesized by the sodium hydroxide assisted reaction of thalidmide with carbon disulfide at 0-5°C.

108 citations


Journal ArticleDOI
TL;DR: In this paper, the impact of zero-dimensional compounds in the field of magnetic refrigeration was examined by an examination of 3D, 3d-4f and 4f molecular compounds and more recent polymeric materials.

106 citations


Journal ArticleDOI
TL;DR: The complex 3, which strongly binds to both DNA and protein and performs both DNA cleavage and protein cleavage, exhibits a higher cytotoxicity than the other complexes due to enhanced hydrophobicity of both pmdt and the diimine co-ligand.

98 citations


Journal ArticleDOI
TL;DR: In this paper, a combined theoretical and experimental study on the electronic structure and photoluminescence properties of β zinc molybdate (β-ZnMoO4) microcrystals synthesized by the hydrothermal method has been employed.

80 citations


Journal ArticleDOI
TL;DR: In this article, superparamagnetic iron oxide nanoparticles (SPIONs) have been successfully synthesized through a simple and facile hydrothermal reduction route using a single iron precursor (FeCl3·6H2O), and a combination of the inherent chemical reduction capability of maltose decomposition products (glucose as reducing sugar) and its acid (gluconic acid as a capping agent).

68 citations


Journal ArticleDOI
TL;DR: In this article, the preparation and isolation of 5,5′-bis(2-hydroxytrazole) by oxidation of 5 5′-bistetrazole using commercially available oxone is described.

68 citations


Journal ArticleDOI
TL;DR: In this paper, a family of electronically tuned fac-Re(CO)3Cl pyridyl-1,2,3-triazole complexes have been synthesized by refluxing methanol solutions of [Re( CO)5Cl] and the substituted 2-(1-R-1H-1 2,3,triazol-4-yl)pyridine ligands (pytri-R) were characterised by elemental analysis, HR-ESMS, IR, 1H and 13C NMR.

66 citations


Journal ArticleDOI
TL;DR: In this article, a model based on distortions of tetrahedral [MoO 4 ] clusters due to medium-range intrinsic defects and intermediary energy levels (deep and shallow holes) within the band gap was proposed to explain the stages involved for the formation of octahedron-like PbMoO4 crystals.

65 citations


Journal ArticleDOI
TL;DR: In this article, the salicylidene 2-picoloyl hydrazone ligand (H2sal-phz) was prepared by reaction of picoloyls hydrazine with Salicylaldehyde, and the new compounds were characterized by 1H NMR and IR spectroscopies.

59 citations


Journal ArticleDOI
TL;DR: The results envisaged herein indicate that Cu(TMCPMP-TS)(Phen) holds ample merit to develop it as a therapeutic agent against cancer.

Journal ArticleDOI
TL;DR: A series of nano-sized Al-substituted manganese zinc ferrites, Mn0.8Zn0.2Fe2O3 xAlxO4 (x = 0.0� 1.0), with a cubic spinel crystal structure were prepared through the citrate sol-gel auto-combustion method.

Journal ArticleDOI
TL;DR: In this paper, a single thiocyanato bridged 1D polymeric zinc complex with dinuclear asymmetric unit was synthesized using two different Schiff bases N,N/-bis(3-methoxysalicylidenimino)-1,3-diaminopropane (L1H2) and N, N/-bis (3-ethoxyaliclyideniminos)-1.3-diagrams (L2H2), respectively.

Journal ArticleDOI
TL;DR: In this paper, the synthesis and characterization of the rhenium anions [Re(bpy-R)(CO)3]−1 (bpyR = 4,4′-disubstitued-2,2′-bipyridine; R = CF3, H, Me, tBu, OMe) were reported.

Journal ArticleDOI
TL;DR: In this paper, the interaction of nickel(II) with the nonsteroidal anti-inflammatory drug sodium diclofenac (Nadicl) in the presence of the N,N′-donor heterocyclic ligands 2, 2′-dipyridylketone oxime (Hpko), 2,2′-bipyridine (bipy) or 1,10-phenanthroline (phen) leads to the formation of mononuclear Ni(II)-complex.

Journal ArticleDOI
TL;DR: In this article, a new complex of nickel(II) with 1-(2-[(5-methylfuran-2yl)methylene)] hydrazono) phthalazine HL (1) has been synthesized and characterized by elemental analysis, IR, electronic spectra, TGA, 1H and 13C NMR spectroscopy.

Journal ArticleDOI
TL;DR: In this article, the authors used a tetra(4-N-pyridyl)porphyrinatomanganese(III) acetate, supported on silica coated magnetite nanoparticles, SiO2-Fe3O4, for efficient epoxidation of alkenes and hydroxylation of alkanes.

Journal ArticleDOI
TL;DR: In this paper, a density functional analysis was performed on a dinuclear GdIII-GdIII complex and the authors derived magneto-structural correlations to relate the sign and strength of J to specific structural parameters.

Journal ArticleDOI
TL;DR: In this article, the reactions of di-2-pyridyl ketone (dpk), 2-benzoylpyridine (zpy), and 2-hydroxybenzophenone (Hbp) with (Re(CO)5Cl) (A) and trans-(ReOX3(PPh3)2 )( B, X = Cl, Br) were studied.

Journal ArticleDOI
TL;DR: A series of metal complexes with o-hydroxyacetophenone-2-thiophenoyl hydrazone (Hhath) have been synthesized and characterized with the help of elemental analyses, magnetic susceptibility measurements, electronic, IR, NMR and ESR spectral techniques as discussed by the authors.

Journal ArticleDOI
TL;DR: In this article, five new compounds have been prepared by the reaction of MnCl2·4H2O with aroylhydrazone in the presence of NaN3.

Journal ArticleDOI
TL;DR: In this paper, three dicobalt(II) complexes, namely [Co2(L1H)(H2O)2(OAc)2]-OAc2 (1), [Co 2(L2), H2O), OAc 2 (OAc 2 ), OAc 3 (2), and OAc 4 (3), have been synthesized and characterized by common physicochemical techniques, and in the case of complex 1 also by single crystal X-ray diffraction analysis.

Journal ArticleDOI
TL;DR: In this paper, the phthalocyanine dyes have a free carboxyl group, facilitating the covalent attachment of the dyes on the silica surface via amide bond formation.

Journal ArticleDOI
TL;DR: In this paper, the magneto-structural properties of seven novel compounds [Cu(pz)2(SCN)2]n (1, 3, 5, 6 and 7) have been synthesized and characterised structurally and spectroscopically by single X-ray analysis.

Journal ArticleDOI
Hiizu Iwamura1
TL;DR: In this article, the authors discuss the contributions of organic chemistry to the interdisciplinary science of molecule-based magnetics, in reference to transition metal coordination chemistry carried out successfully by Olivier Kahn and other scientists.

Journal ArticleDOI
TL;DR: In this article, Antiferro and ferromagnetic couplings were observed in [Gd(hfac) 3 (2pyNO)(H 2 O)] and Gd(gd-nitroxide complexes) 2, respectively, where 2pyNO stands for tert -butyl 2-pyridyl nitroxide and HNN for 4,4,5,5-tetramethylimidazolin-1-oxyl 3-oxide.

Journal ArticleDOI
TL;DR: Three mono-nuclear copper(II) complexes were synthesized using a variety of tridentate amine ligands (mpipy, mpiq and bdmpzpy) as discussed by the authors.

Journal ArticleDOI
TL;DR: A series of new bichelated complexes of the formula [M(L)2]H2O were synthesized from the reaction of N-[(2-benzylthio)-phenyl] salicylaldimine (HL), 1, a new tridentate (O, N, S donor) potential Schiff base with metal salts in methanol medium as discussed by the authors.

Journal ArticleDOI
TL;DR: In this article, a new complex of Ni(II) with p-[ N, N -bis(2-chloroethyl)amino]benzaldehyde-4-methyl thiosemicarbazone (CEAB-4MTSC) have been synthesized and characterized by elemental analysis, IR, electronic, 1 H NMR spectroscopy.

Journal ArticleDOI
TL;DR: In this article, the X-ray crystal structures of Ag2(9-aca) and Ag4(DMSO) complexes were determined for the fungus Candida albicans.