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Trans-Acetyl-dicarbon-yl(?(5)-cyclo-penta-dien-yl)(methyl-diphenyl-phosphane)molybdenum(II).

ABSTRACT: The title compound, [Mo(C(5)H(5))(C(2)H(3)O)(C(13)H(13)P)(CO)(2)], was prepared by reaction of [Mo(CH(3))(C(5)H(5))(CO)(3)] with methyl-diphenyl-phosphane. The Mo(II) atom exhibits a four-legged piano-stool coordination geometry with the acetyl and phosphane ligands trans to each other. There are several inter-molecular C-H?O hydrogen-bonding inter-actions involving carbonyl and acetyl O atoms as acceptors. A close nearly parallel ?-? inter-action between the cyclo-penta-dienyl plane and the phenyl ring of the phosphane ligand is present, with an angle of 6.4?(1)° between the two least-squares planes. The centroid-to-centroid distance between these groups is 3.772?(3)?Å, and the closest distance between two atoms of these groups is 3.449?(4)?Å. Since each Mo complex is engaged in two of these inter-actions, the complexes form an infinite ?-stack coincident with the a axis.

SUBMITTER: Whited MT

PROVIDER: S-EPMC3435585 | biostudies-literature | 2012 Sep

REPOSITORIES: biostudies-literature

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trans-Acetyl-dicarbon-yl(η(5)-cyclo-penta-dien-yl)(methyl-diphenyl-phosphane)molybdenum(II).

Whited Matthew T MT Boerma Joseph W JW McClellan Michael J MJ Padilla Christian E CE Janzen Daron E DE

Acta crystallographica. Section E, Structure reports online 20120808 Pt 9

The title compound, [Mo(C(5)H(5))(C(2)H(3)O)(C(13)H(13)P)(CO)(2)], was prepared by reaction of [Mo(CH(3))(C(5)H(5))(CO)(3)] with methyl-diphenyl-phosphane. The Mo(II) atom exhibits a four-legged piano-stool coordination geometry with the acetyl and phosphane ligands trans to each other. There are several inter-molecular C-H⋯O hydrogen-bonding inter-actions involving carbonyl and acetyl O atoms as acceptors. A close nearly parallel π-π inter-action between the cyclo-penta-dienyl plane and the phe ...[more]

PMID: 22969458

Similar Datasets

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

trans-Acetyl-dicarbon-yl(η(5)-cyclo-penta-dien-yl)[tris-(furan-2-yl)phosphane-κP]molybdenum(II).

Project description:The title compound, [Mo(C5H5)(C2H3O)(C12H9O3P)(CO)2], was prepared by reaction of [Mo(C5H5)(CO)3(CH3)] with tris-(furan-2-yl)phosphane. The Mo(II) atom exhibits a four-legged piano-stool coordination geometry with the acetyl and phosphine ligands trans to each other. The O atom of the acetyl ligand points down, away from the Cp ring. In the crystal, mol-ecules form centrosymmetrical dimers via π-π inter-actions between furyl rings [the centroid-centroid distance is 3.396 (4) Å]. The dimers are linked by C-H⋯O hydrogen bonds into layers parallel to (100).

| S-EPMC3793703 | biostudies-literature

Dicarbon-yl(η-cyclo-penta-dien-yl)bis-(trimethyl-phosphine)molybdenum(II) trifluoro-methane-sulfonate.

Project description:In the title compound, [Mo(C(5)H(5))(CO)(2)(C(3)H(9)P)(2)]CF(3)SO(3), the cationic complex displays a classical four-legged piano-stool square-pyramidal geometry with a trans configuration of the basal ligands around the Mo atom. The cyclo-penta-dienyl (Cp) ligand occupies the apical position of the piano-stool configuration. The average Mo-P bond length of the two trans PMe(3) ligands is 2.474 (5) Å and the Mo-Cp centroid distance is 2.003 (2) Å.

| S-EPMC2959586 | biostudies-literature

Dicarbon-yl(η-cyclo-penta-dien-yl)[2-(phenyl-sulfan-yl)eth-yl]iron(II).

Project description:The title compound, [Fe(C(5)H(5))(C(8)H(9)S)(CO)(2)], is a three-legged piano-stool iron(II) complex that is characterized by a thio-ethyl-linked phenyl ring and a cyclo-penta-dienyl moiety that occupies the apical coordination site. The two aromatic rings are essentially planar with the same maximum deviation of 0.009 Å. The mean planes of the phenyl and cyclo-penta-dienyl rings bis-ect at an acute angle of 50.08°.

| S-EPMC3089356 | biostudies-literature

(μ-Formato-κO:O')bis-[dicarbon-yl(η-cyclo-penta-dien-yl)iron(II)] tetra-fluoridoborate.

Project description:In the structure of the title compound [Fe(2)(C(5)H(5))(2)(CHO(2))(CO)(4)]BF(4), each Fe(II) atom is coordinated in a pseudo-octa-hedral three-legged piano-stool fashion. The cyclo-penta-dienyl ligand occupies three fac coordination sites while the two carbonyl ligands and formate O atom occupy the remaining three sites.

| S-EPMC3200969 | biostudies-literature

Redetermination of (acetonitrile-κN)dicarbon-yl(η(5)-cyclo-penta-dien-yl)iron(II) tetra-fluoridoborate.

Project description:The crystal structure of the title compound, [Fe(C(5)H(5))(CH(3)CN)(CO)(2)]BF(4), of which only the coordinates of the non-H atoms of the cation have previously been reported [Fadel et al. (1979 ▶). Z. Anorg. Allg. Chem.453, 98-106] has been redetermined. The Fe(II) atom in the complex cation is coordinated by a cyclo-penta-dienyl ring, two carbonyl ligands and an acetonitrile mol-ecule displaying a three-legged piano stool structure. Three of the four F atoms of the BF(4) (-) anion are disordered over two sets of sites, with a site-occupancy factor of 0.709 (10) for the major occupied site.

| S-EPMC3393217 | biostudies-literature

μ-Bis(diphenyl-phosphan-yl)borato-κP:P'-bis-[dicarbon-yl(η-cyclo-penta-dien-yl)iron(II)] tetrachloridoferrate(III) chloro-form solvate.

Project description:The title compound, [Fe(2)(C(5)H(5))(2)(C(24)H(22)BP(2))(CO)(4)][FeCl(4)]·CHCl(3), is an oxidation product of CpFe(CO)(2)PPh(2)BH(3). One pair of phenyl rings attached to the two different P atoms are almost parallel, as are the other pair [dihedral angles = 8.7 (5) and 8.9 (5)°]. The planes of the two cyclo-penta-dienyl rings are inclined by 26.8 (7)° with respect to each other. The carbonyl groups at each Fe atom are almost perpendicular [C-Fe-C = 92.6 (6) and 94.3 (5)°].

| S-EPMC2961392 | biostudies-literature

Chlorido(chloro-diphenyl-phosphine-κP)(diphenyl-piperidinophosphine-κP)(η-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(η(5)-C(5)Me(5))(κ(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

Dicarbon-yl(η(5)-cyclo-penta-dien-yl)(2,3-di-bromo-propanamine-κN)iron(II) tetra-fluoridoborate.

Project description:The title compound, [Fe(η(5)-C(5)H(5))(NH(2)CH(2)CHBrCH(2)Br)(CO)(2)](BF(4)) contains an Fe(II) cation with a three-legged piano-stool coordination. The NH(2)CH(2)CHBrCH(2)Br ligand contains a chiral carbon atom. The Fe-N bond length is 2.011 (3) Å and the Fe-Cp centroid distance is 1.7189 (5) Å. In the crystal, the ions are linked via two N-H⋯F inter-actions and a weak N-H⋯Br inter-action.

| S-EPMC3393195 | biostudies-literature

Crystal structures of trans-acetyl-dicarbon-yl(?5-cyclo-penta-dien-yl)(1,3,5-tri-aza-7-phosphaadamantane)molybdenum(II) and trans-acetyl-di-carbon-yl(?5-cyclo-penta-dien-yl)(3,7-diacetyl-1,3,7-tri-aza-5-phosphabi-cyclo-[3.3.1]nona-ne)molyb-den-um(II).

Project description:The title compounds, [Mo(C5H5)(COCH3)(C6H12N3P)(CO)2], (1), and [Mo(C5H5)(COCH3)(C9H16N3O2P)(C6H5)2))(CO)2], (2), have been prepared by phosphine-induced migratory insertion from [Mo(C5H5)(CO)3(CH3)]. The mol-ecular structures of these complexes are quite similar, exhibiting a four-legged piano-stool geometry with trans-disposed carbonyl ligands. The extended structures of complexes (1) and (2) differ substanti-ally. For complex (1), the molybdenum acetyl unit plays a dominant role in the organization of the extended structure, joining the mol-ecules into centrosymmetrical dimers through C-H?O inter-actions with a cyclo-penta-dienyl ligand of a neighboring mol-ecule, and these dimers are linked into layers parallel to (100) by C-H?O inter-actions between the molybdenum acetyl and the cyclo-penta-dienyl ligand of another neighbor. The extended structure of (2) is dominated by C-H?O inter-actions involving the carbonyl groups of the acetamide groups of the DAPTA ligand, which join the mol-ecules into centrosymmetrical dimers and link them into chains along [010]. Additional C-H?O inter-actions between the molybdenum acetyl oxygen atom and an acetamide methyl group join the chains into layers parallel to (101).

| S-EPMC7133026 | biostudies-literature

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