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(?-Penta-methyl-cyclo-penta-dien-yl)(?-4-phenyl-butan-2-one)ruthenium(II) tetra-phenyl-borate.

ABSTRACT: The title compound, [Ru(C(10)H(15))(C(10)H(12)O)][B(C(6)H(5))(4)], crystallizes as discrete (?(5)-penta-methyl-cyclo-penta-dien-yl)Ru(?(6)-4-phenyl-butan-2-one)](+) cations and [BPh(4)](-) anions. In the cation, the non-H atoms of the butan-2-one group are approximately planar (r.m.s. deviation = 0.056?Å) and lie nearly perpendicular to the plane of the phenyl ring with a dihedral angle between the two planes of 69.3?(1)°. No significant C-H?O inter-actions are observed between the methyl and phenyl H atoms and the carbonyl O atom.

SUBMITTER: Loughrey BT

PROVIDER: S-EPMC3011665 | biostudies-literature | 2010 Nov

REPOSITORIES: biostudies-literature

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(η-Penta-methyl-cyclo-penta-dien-yl)(η-4-phenyl-butan-2-one)ruthenium(II) tetra-phenyl-borate.

Loughrey Bradley T BT Williams Michael L ML Healy Peter C PC

Acta crystallographica. Section E, Structure reports online 20101113 Pt 12

The title compound, [Ru(C(10)H(15))(C(10)H(12)O)][B(C(6)H(5))(4)], crystallizes as discrete (η(5)-penta-methyl-cyclo-penta-dien-yl)Ru(η(6)-4-phenyl-butan-2-one)](+) cations and [BPh(4)](-) anions. In the cation, the non-H atoms of the butan-2-one group are approximately planar (r.m.s. deviation = 0.056 Å) and lie nearly perpendicular to the plane of the phenyl ring with a dihedral angle between the two planes of 69.3 (1)°. No significant C-H⋯O inter-actions are observed between the methyl and ph ...[more]

PMID: 21589253

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(?-Benzophenone)(?-penta-methyl-cyclo-penta-dien-yl)ruthenium(II) tetra-phenyl-borate.

Project description:The structure of the title compound, [Ru(C(10)H(15))(C(13)H(10)O)](C(24)H(20)B), consists of discrete [Cp*Ru(II)benzophenone] cations and tetra-phenyl-borate anions (Cp* = penta-methyl-cyclo-penta-dien-yl). Tethering the Cp*Ru group to one aryl ring of benzophenone results in average values of 1.42?(1) and 1.38?(1)?Å for the C-C bond lengths in the Ru-tethered and untethered phenyl rings, respectively. The dihedral angle between the benzene and phenyl rings of the benzophenone group is 50.5?(1)°.

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(?-Isopropyl N-phenyl-carbamate)(?-penta-methyl-cyclo-penta-dien-yl)ruthenium(II) tetra-phenyl-borate acetone monosolvate.

Project description:The title complex, [Ru(C(10)H(15))(C(10)H(13)NO(2))](C(24)H(20)B)·C(3)H(6)O, is related to the analogous O-methyl complex. The average Ru-C distance to the penta-methyl-cyclo-penta-dienyl (Cp*) group is 2.19?(3)?Å, and 2.21?(1)?Å to the ortho, meta and para C atoms of the arene ring. The Ru-C(ipso) bond length of 2.272?(3)?Å is significantly longer, reflecting movement of the Ru atom away from the C atoms with electronegative substituents attached. The amide H atom in the cation forms an inter-molecular N-H?O hydrogen bond with the carbonyl O atom of the acetone solvent mol-ecule. A C-H?O inter-action also occurs.

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(?-Penta-methyl-cyclo-penta-dien-yl)(?-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.

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Acetonitrile-dicarbon-yl(?-penta-methyl-cyclo-penta-dien-yl)iron(II) tetra-fluorido-borate.

Project description:In the structure of the title compound, [Fe{?(5)-C(5)(CH(3))(5)}(NCCH(3))(CO)(2)]BF(4), the arrangement of ligands around the Fe atom is in a pseudo-octa-hedral three-legged piano-stool fashion in which the penta-methyl-cyclo-penta-dienyl (Cp*) ligand occupies three apical coordination sites, while the two carbonyl and one acetonitrile ligands form the basal axes of the coordination. The Fe-N bond length is 1.924?(3)?Å and the Fe-Cp* centroid distance is 1.722?Å.

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[1-Dimethyl-silyl-2-phenyl-3-(?-tetra-methyl-cyclo-penta-dien-yl)-prop-1-en-1-yl-?C](?-penta-methyl-cyclo-penta-dien-yl)titanium(III).

Project description:The title compound, [Ti(C(10)H(15))(C(20)H(26)Si)], was obtained from the reaction of [Ti{?(5):?(1)-C(5)Me(4)(CH(2))}(?(5)-C(5)Me(5))] with the alkynylsilane PhC(2)SiMe(2)H. The complex crystallizes with two independent mol-ecules in the asymmetric unit, which differ in the conformation of the propenyl unit, resulting in their having opposite helicity. No inter-molecular inter-actions or inter-actions involving the Si-H bond are present. The observed geometrical parameters are unexceptional compared to known structures of the same type.

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[?-(Phenyl-ethyn-yl)cyclo-penta-dien-yl](?-tetra-phenyl-cyclo-butadiene)cobalt(I).

Project description:In the title compound, [Co(C(13)H(9))(C(28)H(20))], the Co atom is sandwiched between cyclo-penta-dienyl and cyclo-butadienyl rings that are inclined at a dihedral angle of 2.6?(3)°. The four phenyl rings are tilted with respect to the cyclo-butadienyl plane so that the C(4)Ph(4) unit constitutes a four-bladed propeller. The phenyl ring of the phenyl-alkyne substituent is inclined to the cyclo-penta-dienyl ring at an angle of 34.92?(18)°. The crystal structure is stabilized solely by C-H?? inter-actions which generate a three-dimensional network.

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(?-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.

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Bis(?(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

Chlorido(chloro-diphenyl-phosphine-?P)(diphenyl-piperidinophosphine-?P)(?-penta-methyl-cyclo-penta-dien-yl)ruthenium(II).

Project description:The title compound, [Ru(C(10)H(15))Cl(C(12)H(10)ClP)(C(17)H(20)NP)], is a half-sandwich complex of Ru(II) with the chloro-diphenyl-phosphine ligand formed from the diphenyl-piperidinophosphine and chlorine of the precursor complex [Ru(?(5)-C(5)Me(5))(?(1)P-Ph(2)PNC(5)H(10))Cl(2)] by an unexpected reaction with NaBH(4). The complex has a three-legged piano-stool geometry, with Ru-P bond lengths of 2.2598?(5)?Å for the chloro-phosphine and 2.3303?(5)?Å for the amino-phosphine.

| S-EPMC2977503 | biostudies-literature

Cyclo-hexyldimethyl-ammonium tetra-hydroxy-penta-borate.

Project description:The title compound, [C(8)H(18)N](+)·[B(5)O(6)(OH)(4)](-), has been synthesized under mild solvothermal conditions in the presence of N,N-dimethyl-cyclo-hexyl-amine acting as a template. The structure consists of penta-borate [B(5)O(6)(OH)(4)](-) anions connected through O-H?O hydrogen bonds into a three-dimensional framework, with large channels along [100], [010] and [001] directions. The [C(8)H(18)N](+) cations reside in the channels, inter-acting with the framework through N-H?O hydrogen bonds.

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