نتایج جستجو برای: terpyridine
تعداد نتایج: 900 فیلتر نتایج به سال:
The title compound, [ZnCl(2)(C(21)H(15)N(3))], was obtained from the reaction of ZnCl(2)·4H(2)O with 4'-phenyl-terpyridine (L) and disodium 2,6-dipicolinate. The Zn(2+) cation is ligated by the N atoms of the tridentate L ligand and two chloride anions, forming a ZnN(3)Cl(2) polyhedron with a distorted trigonal-bipyramidal coordination geometry. In the crystal, nonclassical C-H⋯Cl hydrogen bond...
Mathematics and art converge in the fractal forms that also abound in nature. We used molecular self-assembly to create a synthetic, nanometer-scale, Sierpinski hexagonal gasket. This nondendritic, perfectly self-similar fractal macromolecule is composed of bis-terpyridine building blocks that are bound together by coordination to 36 Ru and 6 Fe ions to form a nearly planar array of increasingl...
Terpyridine based ligands 1 and 2, decorated with a C8F17 perfluorinated tag, are able to form stable thermoreversible gels in the presence of several d-block metal chloride salts. The gel systems obtained have been characterized by NMR, X-ray diffraction, electron microscopies and Tgel experiments in order to gain insights into the observed different behaviour of the two similar ligands, also ...
In the title compound, [PtI(C(15)H(11)N(3))][AuI(2)], the [PtI(terpy)](+) cations (terpy is 2,2':6',2''-terpyridine) stack in pairs about inversion centers through Pt...Pt interactions of 3.5279 (5) A. The [AuI(2)](-) anions also exhibit pairwise stacking, with Au...I distances of 3.7713 (5) A. The [PtI(terpy)](+) cations and [AuI(2)](-) anions aggregate forming infinite arrays of stacked ...([...
The direct assembly of single component 4',4''''-(1,4-phenylene)bis(2,2' : 6',2''-terpyridine) (PTPy) and Co(2+) and PTPy mixed arrays was examined on a Au(111) surface by a simple immersion method. A redox active 2D adlayer consisting of a bisterpyridine derivative and cobalt ions was found to form directly on Au(111) from solution, suggesting that new nanostructures and/or adlayers with elect...
The title compound, [Zn(CH(3))(2)(C(15)H(11)N(3))], was synthesized by the addition of dimethyl-zinc to 2,2':6',2''-terpyridine and was crystallized by the slow evaporation of THF. The penta-coordinate Zn(II) atom, lying on a twofold rotation axis, displays a distorted trigonal-bipyramidal geometry, with two terminal N atoms at the axial positions and the central N atom and two methyl C atoms a...
The metal complex [(tpy)(Mebim-py)Ru(II)(S)](2+) (tpy = 2,2' : 6',2''-terpyridine; Mebim-py = 3-methyl-1-pyridylbenzimidazol-2-ylidene; S = solvent) is a robust, reactive electrocatalyst toward both water oxidation to oxygen and carbon dioxide reduction to carbon monoxide. Here we describe its use as a single electrocatalyst for CO(2) splitting, CO(2) → CO + 1/2 O(2), in a two-compartment elect...
The design and construction of the first multicomponent stepwise assembly of a -based (tpy=terpyridine), three-dimensional, propeller-shaped trismacrocycle, 8, are reported. Key steps in the synthesis involve the preparation of a hexaterpyridinyl triptycene and its reaction with dimeric, 60°-directional, bisterpyridine-Ru(II) building blocks. Characterization includes ESI- and ...
The title complex, [FeZn(C(5)H(5))Cl(2)(C(20)H(14)N(3))]·CH(3)CN, is composed of one Zn(II) atom, one 4'-ferrocenyl-2,2':6',2''-terpyridine (fctpy) ligand, two Cl atoms and one acetonitrile solvent mol-ecule. The Zn(II) atom is five-coordinated in a trigonal-bipyramidal geometry by the tridentate chelating fctpy ligand and two Cl atoms.
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