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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(?(5)-cyclo-penta-dien-yl)[tris-(furan-2-yl)phosphane-?P]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 ?-? 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

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

Dicarbon-yl(?-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

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.

| S-EPMC3151746 | biostudies-literature

Dicarbon-yl(?-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

Tricarbonyl-chlorido(?(5)-cyclo-penta-dien-yl)molybdenum(II).

Project description:The structure of the title compound, [Mo(C(5)H(5))Cl(CO)(3)], reveals a pseudo-square-pyramidal piano-stool coordination around the Mo(II) ion, which is surrounded by a cyclo-penta-dienyl ring, three carbonyl groups and a chloride ligand.

| S-EPMC3343786 | biostudies-literature

?-Bis(diphenyl-phosphan-yl)borato-?P:P'-bis-[dicarbon-yl(?-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

[?-3-(8-Quinol-yloxy)propanedi-yl]bis-[dicarbon-yl(?-methoxy-carbonyl-cyclo-penta-dien-yl)molybdenum(III)].

Project description:The crystal structure of the title dimolybdenum complex, [Mo(2)(C(12)H(9)NO)(C(7)H(7)O(2))(2)(CO)(4)], has a quasi-tetra-hedral Mo(2)C(2) cluster core attached to one 3-(8-quinol-yloxy)propanediyl (L) and two methoxy-carbonyl-cyclo-penta-dienyl (Cp') ligands which are coordinated to two Mo atoms: one Mo atom bonds two terminal CO ligands while the other links one terminal and one semi-bridging CO ligand. An intra-molecular C-H?N hydrogen bond results in the quinolyl plane of the L ligand approaching and being nearly perpendicular to one of the Cp' rings [88.09?(12)°]. In the supra-molecular structure, a one-dimensional comb-shaped infinite chain is formed approximately along the crystallographic c axis by a combination of inter-molecular C-H?O hydrogen bonds and locally generates a C(6) motif. Finally, pairs of inversion-related comb-shaped chains associate into a new ladder-shaped infinite chain through weak ?-? stacking inter-actions between neighbouring quinolyl systems (pyridyl centroid-centroid distance = 3.853?Å).

| S-EPMC2983881 | biostudies-other

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

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