Bis2-2:2-2,4,6-trimethylbenzonitrile)-bis- [(N-isopropyl-3,5-dimethylanilido)molybdenum(III)](Mo-Mo)

Yurii S. Moroz; Anthony F. Cozzolino; Elena V. Rybak-Akimova; Christopher C. Cummins

doi:10.1107/S1600536811044680

Bis₂-²:²-2,4,6-trimethylbenzonitrile)-bis- [(N-isopropyl-3,5-dimethylanilido)molybdenum(III)](Mo-Mo)

Yurii S. Moroz, Anthony F. Cozzolino, Elena V. Rybak-Akimova, Christopher C. Cummins

Chemistry and Biochemistry

Research output: Contribution to journal › Article › peer-review

Abstract

The title compound, [Mo₂(C₁₁H₁₆N) ₄(C₁₀H₁₁N)₂], is a dinuclear molybdenum complex with a formal metal-metal bond [Mo⋯Mo separation = 2.5946 (8) Å], four anilide-type ligands and two bridging mesityl nitrile groups. There are two inversion symmetric molecules in the unit cell (an inversion center is localized at the mid-point of the Mo - Mo bond), each with approximate non-crystallographic C_2h symmetry. The molecules contain disordered isopropyl and 3,5-C₆H₃Me₂ groups on different anilido ligands; the major component having an occupancy of 0.683 (7). The complex was obtained in low yield as the product from the reaction between the bridging pyrazine adduct of molybdenum tris - anilide ([μ₂- (C₄H₄N₂){Mo(C₁₁H₁₆N) ₃}₂]) and mesityl nitrile with a loss of one anilido ligand.

Original language	English
Pages (from-to)	m1643-m1644
Journal	Acta Crystallographica Section E: Structure Reports Online
Volume	67
Issue number	12
DOIs	https://doi.org/10.1107/S1600536811044680
State	Published - Dec 2011

Keywords

R factor = 0.067
T = 100 K
data-to- parameterratio = 19.6
disorder in main residue
mean σ(C-C) = 0.009 Å
single-crystal X-ray study
wR factor = 0.172

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title = "Bis2-2:2-2,4,6-trimethylbenzonitrile)-bis- [(N-isopropyl-3,5-dimethylanilido)molybdenum(III)](Mo-Mo)",

abstract = "The title compound, [Mo2(C11H16N) 4(C10H11N)2], is a dinuclear molybdenum complex with a formal metal-metal bond [Mo⋯Mo separation = 2.5946 (8) {\AA}], four anilide-type ligands and two bridging mesityl nitrile groups. There are two inversion symmetric molecules in the unit cell (an inversion center is localized at the mid-point of the Mo - Mo bond), each with approximate non-crystallographic C2h symmetry. The molecules contain disordered isopropyl and 3,5-C6H3Me2 groups on different anilido ligands; the major component having an occupancy of 0.683 (7). The complex was obtained in low yield as the product from the reaction between the bridging pyrazine adduct of molybdenum tris - anilide ([μ2- (C4H4N2){Mo(C11H16N) 3}2]) and mesityl nitrile with a loss of one anilido ligand.",

keywords = "R factor = 0.067, T = 100 K, data-to- parameterratio = 19.6, disorder in main residue, mean σ(C-C) = 0.009 {\AA}, single-crystal X-ray study, wR factor = 0.172",

author = "Moroz, {Yurii S.} and Cozzolino, {Anthony F.} and Rybak-Akimova, {Elena V.} and Cummins, {Christopher C.}",

year = "2011",

month = dec,

doi = "10.1107/S1600536811044680",

language = "English",

volume = "67",

pages = "m1643--m1644",

journal = "Acta Crystallographica Section E: Structure Reports Online",

issn = "1600-5368",

number = "12",

}

TY - JOUR

T1 - Bis2-2:2-2,4,6-trimethylbenzonitrile)-bis- [(N-isopropyl-3,5-dimethylanilido)molybdenum(III)](Mo-Mo)

AU - Moroz, Yurii S.

AU - Cozzolino, Anthony F.

AU - Rybak-Akimova, Elena V.

AU - Cummins, Christopher C.

PY - 2011/12

Y1 - 2011/12

N2 - The title compound, [Mo2(C11H16N) 4(C10H11N)2], is a dinuclear molybdenum complex with a formal metal-metal bond [Mo⋯Mo separation = 2.5946 (8) Å], four anilide-type ligands and two bridging mesityl nitrile groups. There are two inversion symmetric molecules in the unit cell (an inversion center is localized at the mid-point of the Mo - Mo bond), each with approximate non-crystallographic C2h symmetry. The molecules contain disordered isopropyl and 3,5-C6H3Me2 groups on different anilido ligands; the major component having an occupancy of 0.683 (7). The complex was obtained in low yield as the product from the reaction between the bridging pyrazine adduct of molybdenum tris - anilide ([μ2- (C4H4N2){Mo(C11H16N) 3}2]) and mesityl nitrile with a loss of one anilido ligand.

AB - The title compound, [Mo2(C11H16N) 4(C10H11N)2], is a dinuclear molybdenum complex with a formal metal-metal bond [Mo⋯Mo separation = 2.5946 (8) Å], four anilide-type ligands and two bridging mesityl nitrile groups. There are two inversion symmetric molecules in the unit cell (an inversion center is localized at the mid-point of the Mo - Mo bond), each with approximate non-crystallographic C2h symmetry. The molecules contain disordered isopropyl and 3,5-C6H3Me2 groups on different anilido ligands; the major component having an occupancy of 0.683 (7). The complex was obtained in low yield as the product from the reaction between the bridging pyrazine adduct of molybdenum tris - anilide ([μ2- (C4H4N2){Mo(C11H16N) 3}2]) and mesityl nitrile with a loss of one anilido ligand.

KW - R factor = 0.067

KW - T = 100 K

KW - data-to- parameterratio = 19.6

KW - disorder in main residue

KW - mean σ(C-C) = 0.009 Å

KW - single-crystal X-ray study

KW - wR factor = 0.172

UR - http://www.scopus.com/inward/record.url?scp=83155178594&partnerID=8YFLogxK

U2 - 10.1107/S1600536811044680

DO - 10.1107/S1600536811044680

M3 - Article

C2 - 22199474

AN - SCOPUS:83155178594

SN - 1600-5368

VL - 67

SP - m1643-m1644

JO - Acta Crystallographica Section E: Structure Reports Online

JF - Acta Crystallographica Section E: Structure Reports Online

IS - 12

ER -

Bis₂-²:²-2,4,6-trimethylbenzonitrile)-bis- [(N-isopropyl-3,5-dimethylanilido)molybdenum(III)](Mo-Mo)

Abstract

Keywords

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