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(η-Cyclo-penta-dien-yl)bis-(triphenyl-phosphane)cobalt(I)-toluene-n-hexane (1/0.20/0.25).

ABSTRACT: The title compound, [Co(C(5)H(5))(C(18)H(15)P)(2)]·0.2C(7)H(8)·0.25C(6)H(14), was synthesized by the reaction of cobaltocene, Cp(2)Co, with elemental lithium in tetra-hydro-furan in the presence of two equivalents of PPh(3). The mol-ecular structure displays a cobalt(I) center in a distorted trigonal-planar coordination environment, with one Cp and two phosphane ligands. There are two crystallographically independent mol-ecules in the asymmetric unit besides the disordered solvent molecules.

SUBMITTER: Hapke M

PROVIDER: S-EPMC2967925 | biostudies-literature |

REPOSITORIES: biostudies-literature

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(η-Penta-methyl-cyclo-penta-dien-yl)(η-p-toluene-sulfonamide)ruthenium(II) tetra-phenyl-borate.

Project description:The crystal structure of the title compound, [Ru(C(10)H(15))(C(7)H(9)NO(2)S)]C(24)H(20)B, has been determined as part of our investigation into the structural and biological properties of organometallic Ru(II)-arene-Cp* complex salts of the type [R-PhRuCp*](+)·X(-) (where Cp* is penta-methyl-cyclo-penta-diene). Tethering the RuCp* group to the benzene ring of p-toluene-sulfonamide results in only minor changes to the mol-ecular geometry of the sulfonamide, but, together with crystallization as the [BPh(4)](-) salt, effectively blocks involvement of the sulfonamide group in N-H⋯O hydrogen-bonding networks.

| S-EPMC2960125 | biostudies-literature

Bis(η-penta-methyl-cyclo-penta-dien-yl)cobalt(II).

Project description:The crystal structure of the title compound, deca-methyl-cobaltocene, [Co(C(10)H(15))(2)], has been determined. High-quality single crystals were grown from a cold saturated hexa-methyl-disiloxane solution. The structure is related to the manganese and iron analogs. The molecule has D(5d) symmetry, with the Co atom in a crystallographic 2/m position. The cobalt-centroid(C(5)) distance is 1.71Å and the centroid(C(5))-Co-centroid(C(5)) angle is 180°, by symmetry.

| S-EPMC2969061 | biostudies-literature

(?-Penta-methyl-cyclo-penta-dien-yl)(?-toluene)-ruthenium(II) hexa-fluorido-phosphate.

Project description:In the title complex, [Ru(C(7)H(8))(C(10)H(15))]PF(6), the cation lies on a mirror plane and the anion lies on an inversion center. The distance between the Ru atom and the centroid of the benzene ring is 1.706?(5)?Å and the distance between the Ru atom and the cyclo-penta-dienyl ring is 1.811?(5)?Å. The crystal structure is stabilized by weak C-H?F hydrogen bonds. The H atoms of the methyl groups which lie on the mirror plane are disordered over two sites with equal occupancies.

| S-EPMC2983397 | biostudies-literature

(η-Cyclo-penta-dien-yl){[3-(2,2-dicyano-ethen-yl)bicyclo-[2.2.1]hepta-2,5-dien-2-yl]ethyn-yl}(triphenyl-phosphine)nickel(II).

Project description:The title compound, [Ni(C(5)H(5))(C(13)H(7)N(2))(C(18)H(15)P)] or (η(5)-C(5)H(5))(PPh(3))Ni-C C-C(7)H(6)-C(H)=C(CN)(2), contains an unusual disubstituted norbornadienyl (NBD) ligand containing ethynyl (-C C-) and dicyano-vinyl [-C(H)=C(CN)(2)] groups. Disorder is present in the NBD group with site occupancies of 0.636 (10) and 0.364 (10) for two distinct orientations. There are no strong hydrogen bonds and the primary inter-actions are weak C-H⋯π(arene) inter-actions.

| S-EPMC2960392 | biostudies-literature

Bis(η(5)-penta-methyl-cyclo-penta-dien-yl)aluminium tetra-bromido-aluminate.

Project description:The title compound, [Al(C10H15)2][AlBr4], was formed during the reduction of a mixture of Cp*AlBr2 and AlBr3. The Al(III) atoms of the two crystallographically independent cations each lie on an inversion center, and the [AlBr4](-) anions are on general positions. At 123 K, the structure exhibits disorder in two of the Br atoms of the [AlBr4](-) ion, with a ratio occupancy of 0.733 (6): 0.267 (3). In the crystal, there is possible weak hydrogen bonding between some methyl groups and Br atoms. The interactions link the moieties in a three-dimensional array.

| S-EPMC3998496 | biostudies-literature

Dibromido[bis-(η-cyclo-penta-dien-yl)dimethyl-silane]zirconium(IV).

Project description:The title mol-ecule, [ZrBr(2)(C(12)H(14)Si)], possesses a crystallographically imposed twofold rotational symmetry with the rotation axis passing through the Zr and Si atoms. The Zr(IV) centre is in a distorted tetra-hedral environment defined by two Cp rings of chelating organic ligands and two Br anions. Two five-membered rings form a dihedral angle of 59.7 (2)°. Unequal Zr-C bonds [2.471 (3)-2.556 (3) Å] in the mol-ecule indicate that the inter-action of the central metal with the [(C(5)H(4))(2)SiMe(2)](2-) ligand contains noticeable η(3)-allyl and η(2)-olefin contributions.

| S-EPMC2967924 | biostudies-literature

(tert-Butyl-imido)bis-(η-cyclo-penta-dien-yl)pyridine-zirconium(IV).

Project description:The title compound, [Zr(C(5)H(5))(2)(C(4)H(9)N)(C(5)H(5)N)], was obtained from the reaction of (C(5)H(5))(2)Zr(py)(η(2)-Me(3)SiC(2)SiMe(3)) (py is pyridine) and (t)BuN=C=N(t)Bu alongside the formation of (C(5)H(5))(2)Zr(CN(t)Bu)(η(2)-Me(3)SiC(2)SiMe(3)). The zirconium atom is coordinated in a distorted tetra-hedral geometry by two cyclo-penta-dienyl ligands, a pyridine ligand, and a tert-butyl-imido ligand via a Zr=N double bond. The tert-butyl group is disordered over two positions in a 0.634 (5):0.366 (5) ratio.

| S-EPMC3007953 | biostudies-literature

Carbon-yl(η-cyclo-penta-dien-yl)(pyridine)(triethyl-stann-yl)iron(II).

Project description:In the title complex, [Fe(C(5)H(5)){Sn(C(2)H(5))(3)}(C(5)H(5)N)(CO)], the Fe atom is coordinated by carbonyl, pyridine, triethyl-stannyl and cyclo-penta-dienyl ligands in a typical three-legged piano-stool configuration. The Fe-Sn and Fe-N bond distances are 2.5455 (13) and 1.984 (6) Å, respectively.

| S-EPMC2959867 | biostudies-literature

(η-Cyclo-penta-dien-yl)[(1,2,3,4,4a,12a-η)-naphtho-[2,3-b][1,4]benzodioxine]iron(II) hexa-fluoridophosphate.

Project description:At 296 (2) K, both complexed rings in the iron(II) complex cation of the title salt, [Fe(C(5)H(5))(C(16)H(10)O(2))]PF(6), are almost parallel [dihedral angle between planes = 2.4 (3)°]. The quaternary C atoms of the complexed arene ring are located at the longest distance from the Fe atom, with Fe-C distances of 2.112 (4) and 2.105 (3) Å, which are slightly longer than the average Fe-C distance for this ring (2.083 Å). The Fe ion is located 1.660 (1) and 1.543 (1) Å, respectively, from the cyclo-penta-dienyl and the complexed arene ring.

| S-EPMC3007910 | biostudies-literature

Crystal structures of trans-acetyl-dicarbon-yl(?(5)-cyclo-penta-dien-yl)(di-methyl-phenyl-phosphane)molybdenum(II) and trans-acetyl-dicarbon-yl(?(5)-cyclo-penta-dien-yl)(ethyl-diphenyl-phosphane)molybdenum(II).

Project description:The title compounds, [Mo(C5H5)(COCH3)P(CH3)2(C6H5)(CO)2], (1), and [Mo(C5H5)(COCH3)P(C2H5)(C6H5)2)(CO)2], (2), have been prepared by phosphine-induced migratory insertion from [Mo(C5H5)(CO)3(CH3)]. Both complex mol-ecules exhibit a four-legged piano-stool geometry with trans-disposed carbonyl ligands along with Mo-P bond lengths and C-Mo-P angles that reflect the relative steric pressure of the respective phosphine ligand. The structure of compound (1) exhibits a layered arrangement parallel to (100). Within the layers mol-ecules are linked into chains along [001] by non-classical C-H?O inter-actions between the acetyl ligand of one mol-ecule and the phenyl and methyl phosphine substituents of another. In the structure of complex (2), a chain motif of centrosymmetrical dimers is found along [010] through C-H?O inter-actions.

| S-EPMC4257160 | biostudies-literature

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