Imthyaz Ahmed Khan

[μ-Bis(di-o-tolyl­phosphan­yl)methane-1:2κ2P:P′]nona­carbonyl-1κ3C,2κ3C,3κ3C-(triphenyl phosphite-3κP)-triangulo-triruthenium(0) chloro­form disolvate

In the title solvated triangulo-triruthenium compound, [Ru3(C18H15O3P)(C29H30P2)(CO)9]·2CHCl3, the bis(di-o-tolylphosphanyl)methane (dtpm) ligand bridges one of the Ru—Ru bonds and the monodentate phosphine ligand bonds to the third Ru atom. All the P atoms are equatorial with respect to the Ru3 triangle: each Ru atom also bears one equatorial and two axial terminal carbonyl ligands. The dihedral angles between the two benzene rings are 75.92 (10) and 78.95 (10)° for the two diphenylphosphanyl groups of the dtpm ligand. In the crystal, C—H⋯O hydrogen bonds link the molecules into chains along [010].

[μ-Bis(diphenyl-phosphan-yl)ethane-1:2κP:P']nona-carbonyl-1κC,2κC,3κC-[tris-(4-(meth-oxy-phen-yl)arsane-3κAs]-triangulo-triruthenium(0) chloro-form monosolvate.

The asymmetric unit of the title triangulo-triruthenium compound, [Ru3(C21H21AsO3)(C26H24P2)(CO)9]·CHCl3, consists of one molecule of the triangulo-triruthenium complex and one chloroform solvent molecule. The bis(diphenylphosphanyl)ethane ligand bridges an Ru—Ru bond and the monodentate arsane ligand bonds to the third Ru atom. Both the arsane and phosphine ligands are equatorial with respect to the Ru3 triangle. Additionally, each Ru atom carries one equatorial and two axial terminal carbonyl ligands. The three arsane-substituted benzene rings make dihedral angles of 52.72 (19), 63.03 (19) and 88.19 (19)° with each other. The dihedral angles between the two benzene rings are 85.8 (2) and 89.2 (2)° for the two diphenylphosphanyl groups. In the crystal, molecules are linked together into a three-dimensional network via intermolecular C—H⋯O hydrogen bonds. Weak intermolecular C—H⋯π interactions further stabilize the crystal structure.

Bis{[μ-bis-(diphenyl-phosphan-yl)methane-1:2κP:P']nona-carbonyl-1κC,2κC,3κC-[(4-methyl-sulfanylphen-yl)diphenyl-phosphane-3κP]-triangulo-triruthen-ium(0)} dichloro-methane monosolvate.

The asymmetric unit of the title triangulo-triruthenium compound, 2[Ru3(C25H22P2)(C19H17PS)(CO)9]·CH2Cl2, contains one triangulo-triruthenium complex molecule and one half-molecule of the dichloromethane solvent. The dichloromethane solvent molecule lies across a crystallographic inversion center leading to the molecule being disordered over two positions of equal occupancy. The bis(diphenylphosphanyl)methane ligand bridges an Ru—Ru bond and the monodentate phosphane ligand bonds to the third Ru atom. All phosphane ligands are equatorial with respect to the Ru3 triangle. In addition, each Ru atom carries one equatorial and two axial terminal carbonyl ligands. The three phosphane-substituted benzene rings make dihedral angles of 87.18 (11), 59.59 (10) and 89.28 (11)° with each other. The dihedral angles between the two benzene rings are 78.48 (11) and 87.58 (11)° for the two diphenylphosphanyl groups. In the crystal, the molecules are stacked along the a axis. Weak intermolecular C—H⋯π interactions stabilize the crystal structure.

[μ-Bis(diphenyl-arsanyl)methane-1:2κAs:As']nona-carbonyl-1κC,2κC,3κC-[(4-methyl-sulfanylphen-yl)diphenyl-phosphane-3κP]-triangulo-triruthenium(0).

In the title triangulo-triruthenium compound, [Ru3(C25H22As2)(C19H17PS)(CO)9], the bis(diphenylarsanyl)methane ligand bridges an Ru—Ru bond and the monodentate phosphane ligand bonds to the third Ru atom. Both arsine and phosphane ligands are equatorial with respect to the Ru3 triangle. In addition, each Ru atom carries one equatorial and two axial terminal carbonyl ligands. The three phosphane-substituted benzene rings make dihedral angles of 57.91 (19), 84.31 (15) and 59.37 (18)° with each other. The dihedral angles between the two benzene rings are 60.9 (2) and 85.40 (18)° for the two diphenylarsanyl groups. In the crystal, molecules are linked into a three-dimensional framework by intermolecular C—H⋯O hydrogen bonds. Weak intermolecular C—H⋯π interactions stabilize the crystal structure.

[μ-Bis(diphenyl­arsino)methane-1:2κ2As:As′]nona­carbonyl-1κ3C,2κ3C,3κ3C-tricyclo­hexyl­phosphine-3κP-triangulo-triruthenium(0)

In the title triangulo-triruthenium compound, [Ru3(C25H22As2)(C18H33P)(CO)9], the bis(diphenylarsino)methane ligand bridges an Ru—Ru bond and the monodentate phosphine ligand bonds to the third Ru atom. Both the phosphine and arsine ligands are equatorial with respect to the Ru3 triangle. In addition, each Ru atom carries one equatorial and two axial terminal carbonyl ligands. All three cyclohexane rings are disordered over two positions with site occupancies of 0.628 (6) and 0.372 (6). The mean planes of these three phosphine-substituted cyclohexane rings make dihedral angles of 53.0 (8), 68.3 (6) and 89.9 (7)° (major components), and 46.7 (14), 41.3 (11) and 75.8 (10)° (minor components) with each other. The dihedral angles between the two phenyl rings are 85.0 (2) and 88.1 (2)° for the two diphenylarsino groups. Two cyclohexane rings adopt a chair conformation whereas the other adopts a slightly twisted chair conformation for the major components; these conformations are similiar for the minor components. Intramolecular C—H⋯O hydrogen bonds stabilize the molecular structure. In the crystal packing, the molecules are linked together into chains via intermolecular C—H⋯O hydrogen bonds down the a axis. Weak intermolecular C—H⋯π interactions further stabilize the crystal structure.

[μ-Bis(di-o-tolyl­phosphan­yl)methane-1:2κ2P:P′]nona­carbonyl-1κ3C,2κ3C,3κ3C-[tris­(2-chloro­eth­yl) phosphite-3κP]-triangulo-triruthenium(0)

In the title compound, [Ru3(C6H12Cl3O3P)(C29H30P2)(CO)9], the bis(di-o-tolylphosphanyl)methane ligand bridges one Ru—Ru bond and the monodentate phosphite ligand bonds to the third Ru atom. Both ligands are equatorial with respect to the Ru3 triangle. Each Ru atom bears one equatorial and two axial terminal carbonyl ligands. The dihedral angles between the two benzene rings in the diphenylphosphanyl groups are 79.52 (10) and 69.88 (10)°. In the crystal, molecules are linked via C—H⋯O hydrogen bonds into chains along [100].

[μ-Bis(diphenyl-phosphan-yl)ethane-1:2κP:P']nona-carbonyl-1κC,2κC,3κC-(triphenyl-stibine-3κSb)-triangulo-triruthenium(0).

The asymmetric unit of the title triangulo-triruthenium compound, [Ru3(C26H24P2)(C18H15Sb)(CO)9], consists of two crystallographically independent molecules, A and B. The bis(diphenylphosphanyl)ethane ligand bridges an Ru—Ru bond and the monodentate stibine ligand bonds to the third Ru atom. Both the stibine and phosphine ligands are equatorial with respect to the Ru3 triangle. Additionally, each Ru atom carries one equatorial and two axial terminal carbonyl ligands. The three stibine-substituted benzene rings make dihedral angles of 38.7 (3), 71.5 (3) and 70.0 (3)° with each other in molecule A whereas these angles are 83.9 (3), 88.2 (3) and 56.8 (3)° in molecule B. Similarly, the dihedral angles between the two benzene rings are 80.7 (3) and 87.6 (3)° for the two diphenylphosphanyl groups in molecule A and 84.0 (3) and 72.6 (4)° in molecule B. In the crystal, molecules are linked into tetramers via intermolecular C—H⋯O hydrogen bonds. Weak intermolecular C—H⋯π interactions further stabilize the crystal structure.

[μ-Bis(di-o-tolyl­phosphan­yl)methane-1:2κ2 P:P′]deca­carbonyl-1κ3 C,2κ3 C,3κ4 C-triangulo-triruthenium(0)–methanol (8/1)

The asymmetric unit of the title compound, [Ru3(C29H30P2)(CO)10].1/8CH3OH, contains two triangulo-triruthenium molecules with similar configurations and a methanol solvent molecule (fractional site occupancy for the latter = 0.25). The bis(di-o-tolylphosphanyl)methane ligand bridges an Ru—Ru bond and its P atoms are equatorial with respect to the Ru3 triangle. The phosphine-substituted Ru atoms each bear one equatorial and two axial terminal carbonyl ligands whereas the unsubstituted Ru atom carries two equatorial and two axial terminal carbonyl ligands. The dihedral angles between the two benzene rings attached to each P atom are 76.26 (13) and 74.76 (15)° for the first molecule and 77.21 (13) and 75.68 (14)° for the second. In the crystal, molecules are linked into [001] chains via intermolecular C—H⋯O hydrogen bonds. Weak intermolecular C—H⋯π interactions also occur.

[μ-Bis(di-o-tolyl-phosphan-yl)methane-1:2κP:P']nona-carbonyl-1κC,2κC,3κC-[diphen-yl(phenyl-sulfanylmeth-yl)phosphane-3κP]-triangulo-triruthenium(0) dichloro-methane 0.25-solvate.

In the title compound, [Ru3(C29H30P2)(C19H17PS)(CO)9]·0.25CH2Cl2, the atoms of the dichloromethane solvent molecule have a fractional site occupancy of 0.25; the dichloromethane molecule is disordered about an inversion centre. The bis(di-o-tolylphosphanyl)methane ligand bridges an Ru—Ru bond and the monodentate phosphane ligand bonds to the third Ru atom; its S-bonded phenyl ring is disordered over two orientations in a 0.53 (4):0.47 (4) ratio. All the P atoms are equatorial with respect to the Ru3 triangle: each Ru atom also bears one equatorial and two axial terminal carbonyl ligands. The dihedral angles between the two benzene rings attached to each P atom of the diphenylphosphanyl ligand are 68.4 (2) and 71.5 (2)°. In the crystal, molecules are linked into [001] chains via intermolecular C—H⋯O hydrogen bonds. Weak intermolecular C—H⋯π interactions also occur.

[μ-Bis(diphenyl­arsino)methane-1:2κ2As:As′]nona­carbonyl-1κ3C,2κ3C,3κ3C-[(penta­fluoro­phen­yl)diphenyl­phosphine-3κP]-triangulo-triruthenium(0) chloro­form monosolvate

The asymmetric unit of the title triangulo-triruthenium compound, [Ru3(C25H22As2)(C18H10F5P)(CO)9]·CHCl3, contains one molecule of the triangulo-triruthenium complex and one molecule of the disordered chloroform solvent. The bis(diphenylarsino)methane ligand bridges an Ru—Ru bond and the monodentate phosphine ligand bonds to the third Ru atom. Both the arsine and phosphine ligands are equatorial with respect to the Ru3 triangle. In addition, each Ru atom carries one equatorial and two axial terminal carbonyl ligands. The phosphine-substituted benzene rings make dihedral angles of 68.43 (15), 65.14 (14) and 89.75 (14)° with each other. The dihedral angles between the two benzene rings are 80.70 (15) and 84.53 (16)° for the two diphenylarsino groups. In the crystal packing, the molecules are linked into a plane parallel to bc by intermolecular C—H⋯O and C—H⋯F hydrogen bonds. Weak intermolecular C—H⋯π interactions further stabilize the crystal structure.