107 research outputs found
Tetracarbonyl[bis(diphenylphosphanyl)tetramethyldisiloxane-κ2 P,P′]chromium(0)
The title compound, [Cr(C28H32OP2Si2)(CO)4], was obtained by the ligand-exchange reaction of Cr(CO)6 with (Ph2PSiMe2)2O in refluxing toluene. The CrC4P2 coordination geometry is distorted octahedral, with a P—Cr—P bite angle of 99.22 (4)°
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[2,2-Bis(diphenylphosphanyl)propane κ2P,P0] tetracarbonylchromium(0)dichloromethane monosolvate
The title compound, [Cr(C27H26P2)(CO) 4]·CH2Cl2, was obtained by the reaction of Ph2PCMe2PPh2 with Cr(CO)6 in refluxing toluene by substitution of two carbonyl ligands. The CrC 4P2 coordination geometry at the Cr atom is distorted octa-hedral, with a P - Cr - P bite angle of 70.27 (2)°
Diacetonitrile[N,N′-bis(2,6-diisopropylphenyl)ethane-1,2-diimine]dichloridochromium(II) acetonitrile solvate
The title compound, [CrCl2(CH3CN)2(C26H36N2)]·CH3CN, was synthesized by the reaction of CrCl2(THF)2 with N,N′-bis(2,6-diisopropylphenyl)ethane-1,2-diimine in dichloromethane/acetonitrile. The chromium center is coordinated by two N atoms of the chelating diimine ligand, two chloride ions in a trans configuration with respect to each other, and by two N atoms of two acetonitrile molecules in a distorted octahedral geometry
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N,P,P-Triisopropyl-phosphinic amide
The title compound, C9H22NOP, was obtained by slow diffusion of oxygen into a toluene solution of iPr2PNHiPr. In the crystal, an inter-molecular N - H⋯O hydrogen bond occurs
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Diacetonitrile[N,N′-bis(2,6-diisopropyl-phenyl)ethane-1,2-diimine] dichloridochromium(II) acetonitrile solvate
The title compound, [CrCl2(CH3CN)2(C 26H36N2)]·CH3CN, was synthesized by the reaction of CrCl2(THF)2 with N,N′-bis-(2,6- diisopropyl-phen-yl)ethane-1,2-diimine in dichloro-methane/acetonitrile. The chromium center is coordinated by two N atoms of the chelating diimine ligand, two chloride ions in a trans configuration with respect to each other, and by two N atoms of two acetonitrile mol-ecules in a distorted octa-hedral geometry
Recursos, intereses y difusión de modelos para la política regional de I+D: la Comunidad de Madrid
Se agradece la financiación de la CICYT a través del Plan Nacional de I+D (SEC1999-0829-C02-01), así como las facilidades otorgadas por la Dirección general de Investigación de la Comunidad de Madrid, especialmente por Francisco Rubia y Alfonso González Hermoso
[2,2-Bis(diphenylphosphanyl)propane-κ2 P,P′]tetracarbonylchromium(0) dichloromethane monosolvate
The title compound, [Cr(C27H26P2)(CO)4]·CH2Cl2, was obtained by the reaction of Ph2PCMe2PPh2 with Cr(CO)6 in refluxing toluene by substitution of two carbonyl ligands. The CrC4P2 coordination geometry at the Cr atom is distorted octahedral, with a P—Cr—P bite angle of 70.27 (2)°
[Bis(diphenylphosphanyl)dimethylsilane-κ2 P,P′]tetracarbonylchromium(0)
The title compound, [Cr(C26H26P2Si)(CO)4], was obtained by the reaction of Ph2PSiMe2PPh2 with Cr(CO)6 in refluxing toluene by ligand exchange. The CrC4P2 coordination geometry at the Cr atom is distorted octahedral, with a P—Cr—P bite angle of 80.27 (1)°
Bis[N,N′-bis(2,6-diisopropylphenyl)ethane-1,2-diimine]-1κ2 N,N′;2κ2 N,N′-tri-μ-trichlorido-1:2κ6 Cl:Cl-chlorido-1κCl-tetrahydrofuran-2κO-dichromium(II) dichloromethane 4.5-solvate
In the molecular structure of the title compound, [Cr2Cl4(C26H36N2)2(C4H8O)]·4.5CH2Cl2, the two CrII centers are bridged by three Cl atoms, forming a dinuclear complex. Each CrII center is coordinated by one chelating bis(2,6-diisopropylphenyl)ethane-1,2-diimine ligand via both N atoms. An additional chloride ion binds to one chromium center, whereas an additional tetrahydrofuran molecule coordinates to the second CrII center. The coordination geometry at each CrII center can be best described as distorted octahedral
N,P,P-Triisopropylphosphinic amide
The title compound, C9H22NOP, was obtained by slow diffusion of oxygen into a toluene solution of iPr2PNHiPr. In the crystal, an intermolecular N—H⋯O hydrogen bond occurs
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