نتایج جستجو برای: binuclear complex

تعداد نتایج: 784957  

2011
Wendell Guerra Elene Cristina Pereira-Maia

This article reports the synthesis and characterization of a new binuclear complex of palladium (II) containing the antibiotic oxytetracycline. The complex was characterized by the usual techniques of analysis. With respect to sites of coordination, the IR spectral data suggests the involvement the oxygen of the amide group and the oxygen of the neighbor hydroxyl group at ring A and to the carb...

2013
Ying Guo Hua Cai

In the centrosymmetric binuclear title complex, [Ag2(NO3)2(C11H8Cl2N4)2]·2CH3CN, the Ag(I) atom is four-coordinated and exhibits a highly distorted tetrahedral coordination sphere defined by three N atoms from two 1-(3,5-di-chloro-pyridin-2-yl)-2-(pyridin-3-yl-methyl-idene)hy-drazine ligands and one O atom from a nitrate anion. Inter-molecular N-H⋯O hydrogen bonds link the complex mol-ecules, r...

Journal: :Dalton transactions 2016
Marcel Kühling Robert McDonald Phil Liebing Liane Hilfert Michael J Ferguson Josef Takats Frank T Edelmann

Well-defined lanthanide polysulfide complexes containing S4(2-) and S5(2-) ligands, the samarium(iii) pentasulfide complex Sm(Tp(iPr2))(κ(1)-3,5-(i)Pr2Hpz)(S5) and the tetrasulfide-bridged binuclear ytterbium(iii) complex (μ-S4)[Yb(Tp(iPr2))(κ(1)-3,5-(i)Pr2Hpz)(κ(2)-3,5-(i)Pr2pz)]2 (Tp(iPr2) = hydro-tris(3,5-diisopropylpyrazolyl)borate), have been synthesized and structurally characterized by s...

2011
Sanjib Kar Antara Garai Sukhen Bala Chandra Shekhar Purohit

The centrosymmetric binuclear Cu(II) title complex, [Cu(2)(C(8)H(7)O(3))(4)(CH(3)CN)(2)], has a paddle-wheel-type structure [Cu-Cu distance = 2.6433 (3) Å]. Each Cu(II) ion is coordin-ated by four O atoms from two 3-meth-oxy-benzoate ligands and one acetonitrile N atom in a square-pyramidal geometry.

Journal: :Chemical communications 2004
Esteban Ortega Nadine Pirio Philippe Meunier Bruno Donnadieu

The novel dimer [Cp(2)Zr[upper bond start]([minus sign in circle])S([plus sign in circle])CH(Ph)CH[double bond]C[upper bond end]PPh(2)](2), the first example of a structurally characterised sulfur-bridged binuclear zirconathiolane complex, was prepared, characterised by NMR spectroscopy and X-ray crystallography, and some aspects of its solution behaviour were studied.

Journal: :Chemical communications 2006
Reinald Fischer Jens Langer Astrid Malassa Dirk Walther Helmar Görls Gavin Vaughan

The reaction of a nickelalactone with dppm, resulting in the formation of a stable binuclear Ni(I) complex with an acrylate, a Ph2P- and a dppm bridge, models a key step in the formation of acrylic acid from CO2 and ethylene.

Journal: :Chemical communications 2014
Kun Lou Jonathan F Lovell

A binuclear ruthenium(II) dimer (BiRD) bridged by an alkene linker was synthesized that was labile to reactive oxygen species generated by another photosensitizer. Compared to the monomeric Ru(II) complex, the BiRD had attenuated fluorescence and singlet oxygen production which could be restored by a longer-wavelength photosensitizer. This two-step amplification strategy demonstrates proof-of-p...

2011
Hui-Chang Chang Jacqueline M. Cole Tze-Chia Lin Paul G. Waddell

The title binuclear Cu(II) complex, [Cu(2)(CH(3)CO(2))(4)(C(5)H(4)Cl(2)N(2))(2)], is disposed about a crystallographic inversion center, located at the mid-point of the Cu-Cu connecting line. The Cu⋯Cu distance is 2.6600 (6) Å and each metal atom exhibits a Jahn-Teller-distorted octa-hedral geometry.

2009
Lin Meng Lin Yan Yang Jing Min Shi

The title binuclear complex, [Cu(2)(C(2)H(3)O(2))(4)(C(6)H(9)N(3))(2)], lies on an inversion center with four acetate ligands bridging two Cu(II) ions and two monodentate N,N-dimethyl-pyrazine-2-amine ligands coordinating each Cu(II) ion via N atoms, forming slightly distorted square-pyramidal environments.

2010
Chunliu Sun Chong Liang Wanli Kang Dongsheng Zhu

The mol-ecular structure of the title compound, [Sn(2)(C(10)H(13))(4)(C(14)H(20))Cl(2)], is a binuclear centrosymmetric complex, in which the Sn atoms are four-coordinated by three C atoms and one Cl atom in a distorted tetra-hedral geometry.

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