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Crystal structure of tris-(2-di-cyclo-hexyl-phosphino-2',6'-dimeth-oxy-1,1'-biphenyl-κP)-μ-oxoethenyl-idene-triangulo-trigold(I) bis-(tri-fluoro-methane-sulfon-yl)imide.

ABSTRACT: The title ketenyl-idene, [Au₃(C₂O)(C₂₆H₃₅O₂P)₃](C₂F₆NO₄S₂), was obtained upon exposure of [2-(di-cyclo-hexyl-phosphino)-2',6'-dimeth-oxy-1,1'-biphen-yl]gold(I) bis-(tri-fluoro-methane-sulfon-yl)imide to acetic anhydride at elevated temperature. The ketenyl-idene bridge caps the tri-gold cluster. The title compound has provided crystals that upon analysis represent the first tri-gold ketenyl-idene with atomic distances indicative of bonding inter-action between the gold atoms.

SUBMITTER: Hartgerink CT

PROVIDER: S-EPMC8100268 | biostudies-literature |

REPOSITORIES: biostudies-literature

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1,1'-Bicyclo-hexyl-1,1'-diyl 1,1'-biphenyl-2,2'-dicarboxyl-ate.

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[μ-Bis(diphenyl-arsan-yl)methane-1:2κAs:As']nona-carbonyl-1κC,2κC,3κC-[tris-(biphenyl-4-yl)arsane-3κAs]-triangulo-triruthenium(0).

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Tris(biphenyl-4-yl)arsane.

Project description:The asymmetric unit of title compound, C(36)H(27)As, contains two crystallographically independent mol-ecules, A and B, with similar conformations. The two phenyl rings of each biphenyl unit are twisted slightly away from each other with dihedral angles of 6.0 (2), 27.7 (3) and 33.4 (2)° in mol-ecule A and 5.7 (3), 27.5 (2) and 33.0 (2)° in mol-ecule B. The As-bonded phenyl rings make dihedral angles of 54.9 (2), 76.0 (2) and 88.2 (2),° with each other in mol-ecule A, and 60.3 (2), 78.1 (2) and 79.5 (2)° in mol-ecule B. In the crystal, the mol-ecules are stacked down the b axis. Weak inter-molecular C-H⋯π inter-actions stabilize the crystal structure. The crystal studied was a racemic twin, the refined ratio of twin components being 0.461 (7):0.539 (7).

| S-EPMC3051659 | biostudies-literature

[?-Bis-(diphenyl-phosphino)methane-1:2?P:P']nonacarbonyl-1?C,2?C,3?C-[tris-(4-methyl-phen-yl)arsine-3?As]-triangulo-triruthenium(0).

Project description:In the title triangulo-triruthenium compound, [Ru(3)(C(21)H(21)As)(C(25)H(22)P(2))(CO)(9)], the bis-(diphenyl-phos-phino)methane ligand bridges an Ru-Ru bond and the monodentate arsine ligand bonds to the third Ru atom. Both the phosphine and arsine ligands are equatorial with respect to the Ru(3) triangle. Additionally, each Ru atom carries one equatorial and two axial terminal carbonyl ligands. The three arsine-substituted phenyl rings make dihedral angles of 87.36?(10), 81.96?(10) and 73.37?(11)° with each other. The dihedral angles between the two phenyl rings are 88.08?(12) and 80.15?(10)° for the two diphenyl-phosphino groups. In the crystal packing, the mol-ecules are linked together as dimers via inter-molecular C-H?O hydrogen bonds. These dimers are stacked down b axis. Inter-molecular C-H?? and ?-? inter-actions [centroid-centroid distance = 3.6383?(13)?Å] further stabilize the crystal structure.

| S-EPMC2972049 | biostudies-literature

4,6-Dimeth-oxy-2-(methyl-sulfon-yl)pyrimidine.

Project description:The asymmetric unit of the title compound, C(7)H(10)N(2)O(4)S, comprises of two independent mol-ecules (A and B) which differ in the orientation of the methyl-sulfonyl group [C-S-C-N = 157.98?(13)° in mol-ecule A and 6.09?(18)° in mol-ecule B]. In the crystal structure, mol-ecules of type A are linked into chains along the a axis by inter-molecular C-H?O hydrogen bonds. The B mol-ecules are linked to these chains by C-H?O hydrogen bonds.

| S-EPMC3007508 | biostudies-literature

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