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?-1,2-Bis-(diphenyl-phos-phino)-ethane-?P:P'-bis-{[1,2-bis-(diphenyl-phosphino)-ethane-?P,P']bromidocopper(I)} acetone disolvate.

ABSTRACT: In the crystal structure of the title compound, [Cu(2)Br(2)(dppe)(3)]·2CH(3)COCH(3) [dppe is 1,2-bis-(diphenyl-phosphino)-ethane, C(26)H(24)P(2)], the two Cu centers are bridged by a dppe ligand and each metal center carries one chelating dppe unit, with the fourth coordination site available for the Br(-) anion. The mol-ecule is centrosymmetric, with the center of symmetry located between the methyl-ene C atoms of the bridging dppe ligand. The crystal structure is stabilized by intra-molecular C-H?Br hydrogen bonds and inter-molecular ?-? inter-actions, with a centroid-to-centroid distance of 3.2055?(1)?Å.

SUBMITTER: Shi WJ

PROVIDER: S-EPMC2959431 | biostudies-literature | 2008 Sep

REPOSITORIES: biostudies-literature

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μ-1,2-Bis-(diphenyl-phos-phino)-ethane-κP:P'-bis-{[1,2-bis-(diphenyl-phosphino)-ethane-κP,P']bromidocopper(I)} acetone disolvate.

Shi Wen-Juan WJ

Acta crystallographica. Section E, Structure reports online 20080927 Pt 10

In the crystal structure of the title compound, [Cu(2)Br(2)(dppe)(3)]·2CH(3)COCH(3) [dppe is 1,2-bis-(diphenyl-phosphino)-ethane, C(26)H(24)P(2)], the two Cu centers are bridged by a dppe ligand and each metal center carries one chelating dppe unit, with the fourth coordination site available for the Br(-) anion. The mol-ecule is centrosymmetric, with the center of symmetry located between the methyl-ene C atoms of the bridging dppe ligand. The crystal structure is stabilized by intra-molecular ...[more]

PMID: 21201076

Similar Datasets

[?-1,2-Bis(diphenyl-phosphino)ethane-?P:P']bis-{[1,2-bis-(diphenyl-phosphino)ethane-?P,P']cyanidocopper(I)} methanol disolvate.

Project description:The title centrosymmetric complex, [Cu(2)(CN)(2)(C(26)H(24)P(2))(3)]·2CH(3)OH, consists of two five-membered [Cu(dppe)CN] rings [dppe is 1,2-bis-(diphenyl-phosphino)ethane] bridged by one ?(2)-dppe ligand, and two methanol solvent mol-ecules. The angles around the central metal atom indicate that each Cu(I) atom is located in the center of a distorted tetra-hedron. The coordination sphere of each Cu(I) atom is formed by three P atoms from two dppe ligands, and one C atom from the cyanide ligand. The crystal structure is stabilized by O-H?N hydrogen bonds, which are formed by the O-H donor group from methanol and the N-atom acceptor from a cyanide ligand.

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Monoclinic modification of 1,2-bis-(diphenyl-seleno-phosphino-yl)ethane.

Project description:The complete mol-ecule of the title compound, C(26)H(24)P(2)Se(2), is generated by crystallographic 2-fold symmetry, with the rotation axis bisecting the central C-C bond. The dihedral angle between the terminal aromatic rings is 74.1 (1)°.

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[1,2-Bis(diphenyl-phosphino)ethane]{2-[bis-(diphenyl-phosphinometh-yl)amino]pyridinium}fluoridohydrazidato-molybdenum(IV) bis-(tetra-fluoridoborate).

Project description:In the crystal structure of the title compound, [MoF(N(2)H(2))(C(31)H(29)N(2)P(2))(C(26)H(24)P(2))](BF(4))(2), each Mo atom is surrounded by four P atoms of one 1,2-bis-(diphenyl-phosphino)ethane and one 2-[bis-(diphenyl-phosphinometh-yl)amino]pyridinium ligand. The remaining binding sites of the distorted octa-hedron are occupied by a hydrazidate (NNH(2) (2-)) and a fluoride ligand. Two F atoms of an anion are disordered over two positions; the site occupancy factors are ca 0.7 and 0.3.

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Bis[?-1,2-bis-(diphenyl-phosphino)ethane-?P:P']digold(I)(Au-Au) bis-(trifluoro-methane-sulfonate) acetonitrile disolvate.

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Bis[μ-1,2-bis-(diphenyl-phosphino)methane-κP:P']bis-[(η-ethene)nickel(0)] toluene disolvate.

Project description:In the title compound, [Ni(2)(C(2)H(4))(2)(C(25)H(22)P(2))(2)]·2C(7)H(8), each Ni atom is coordinated in a trigonal-planar geometry by two P atoms of the bridging 1,2-bis-(diphenyl-phosphino)methane (dppm) ligands and by the centroid of the double bond of an ethene ligand. An eight-membered ring comprising the two Ni atoms, four P atoms and the CH(2) groups of the two dppm ligands is thus formed. The methyl group in one of the solvent toluene mol-ecules is disordered over two positions with equal occupancies.

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μ-1,2-Bis(diethyl-phosphino)ethane-κP:P'-bis-{[1,2-bis-(diethyl-phosphino)ethane-κP,P']trichloridonitrosyl-tungsten(II)}.

Project description:The title binuclear compound, [W(2)Cl(6)(NO)(2)(C(10)H(22)P(2))(3)], contains two W atoms which are bridged by a bis-(diethyl-phosphino)-ethane (depe) ligand. The seven-coord-inated tungsten(II) centres display distorted penta-gonal-bipyramidal geometries with trans nitrosyl and chloride ligands. The title mol-ecule lies on a crystallographic inversion centre. The ethane group of the non-bridging depe ligand is positionally disordered, with site-occupancy factors of 0.63 and 0.37. In the crystal structure, the binuclear mol-ecules are linked by weak inter-molecular C-H⋯O and C-H⋯Cl inter-actions. In addition, weak intra-molecular C-H⋯Cl inter-actions are also present.

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1,2-Bis(diphenyl-phosphino)-1,2-diethyl-hydrazine.

Project description:The title compound, C(28)H(30)N(2)P(2), adopts a well documented and studied gauche conformation around the hydrazine bond. Bond lengths and angles are in the typical ranges expected for P-N and P-C bonds. A normal hydrazine N-N bond length of 1.426?(3)?Å is observed.

| S-EPMC2979499 | biostudies-literature

1,1,2,2-Tetra-kis(dimethyl-amino)-ethane-1,2-diium bis-(tetra-phenyl-borate) acetone disolvate.

Project description:The title compound, C(10)H(24)N(4) (2+)·2C(24)H(20)B(-)·2C(3)H(6)O, crystallizes with two acetone solvent mol-ecules per asymmetric unit. In the dication, both amidinium units are twisted about the central C-C single bond by 63.8 (3)° and the positive charges are delocalized over both N-C-N planes.

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Bis[1,2-bis-(diphenyl-phosphino)ethane-κP:P']silver(I) bis-(chloro-difluoro-acetato-κO)(4-chloro-phen-yl)diphenyl-stannate(IV).

Project description:In the title salt, [Ag(C(26)H(24)P(2))(2)][Sn(C(2)ClF(2)O(2))(2)(C(6)H(5))(2)(C(6)H(4)Cl)], the Ag(I) atom has a tetra-hedral and the Sn(IV) atom a trans-trigonal-bipyramidal coordination geometry. In the anion, the chloro substituent is disordered over two rings (occupancy ratio 0.81:0.19); the two chloro-difluoro-methyl groups are also disordered over two sites for their halogen atoms (occupancy ratios 0.72:0.28 and 0.70:0.30).

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catena-Poly[[(nitrato-κO,O')silver(I)]-μ-1,2-bis-(diphenyl-phosphino)ethane-κP:P'].

Project description:In the title chain compound, [Ag(NO(3))(C(26)H(24)P(2))](n), the bis-(diphenyl-phosphino)ethane (dppe) units link the Ag(+) ions into chains along [001]. A nitrate anion is coordinated to the Ag atom. There is a centre of symmetry at the mid-point of the ethane C-C bond and a twofold rotation axis passes through the Ag, N and terminal O atoms. Each Ag atom is four-coordinated in a distorted tetra-hedral geometry by two O atoms of the nitrate anion and two P atoms of dppe ligands. The two aromatic rings are oriented at a dihedral angle of 73.77 (3)°.

| S-EPMC2961910 | biostudies-literature

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