Synthesis of triosmium clusters with amino acid ligands: crystal structure of(μ-H)Os3(μ-NHCH(CH3)CO2Et)(CO) 10

Abstract

Triosmium clusters with amino acid ligands (μ-H)Os₃(μ-NHCH(R)CO₂Et)(CO)₁₀ (R is H or CH₃) were synthesized. The stereochemical features of the ligand environment in the clusters were studied by ¹H NMR. The complex (μ-H)Os(μ-NHCH(CH₃)CO₂Et)(CO)₁₀ is structurally characterized by X-ray diffraction. The compound, whose chemical formulais C₁₅H₁₁NO₁₂Os₃, crystallizes in the monoclinic space group P2₁, with Z = 2 and lattice parameters a = 9.194(6) Å, b = 8.716(4) Å, c = 14.913(8) Å, β= 104.20(3)°, V= 1158(1) Å³, and d_calcd = 2.774 g/cm³. A short contact of 3.19 Å occurs between the methyl carbon atom of the amino acid ligand and one of the equatorial CO groups, which seems to be responsible for a displacement of the nitrogen atom of the bridging ligand with respect to the midpoint of the Os(2)-Os(3) bond.

Original language	English
Pages (from-to)	59-65
Number of pages	7
Journal	Russian Journal of Inorganic Chemistry
Volume	41
Issue number	1
Publication status	Published - 1996
Externally published	Yes

ASJC Scopus subject areas

Inorganic Chemistry

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@article{824ddbee47c74d3b9573f98cee180c59,

title = "Synthesis of triosmium clusters with amino acid ligands: crystal structure of(μ-H)Os3(μ-NHCH(CH3)CO2Et)(CO) 10",

abstract = "Triosmium clusters with amino acid ligands (μ-H)Os3(μ-NHCH(R)CO2Et)(CO)10 (R is H or CH3) were synthesized. The stereochemical features of the ligand environment in the clusters were studied by 1H NMR. The complex (μ-H)Os(μ-NHCH(CH3)CO2Et)(CO)10 is structurally characterized by X-ray diffraction. The compound, whose chemical formulais C15H11NO12Os3, crystallizes in the monoclinic space group P21, with Z = 2 and lattice parameters a = 9.194(6) {\AA}, b = 8.716(4) {\AA}, c = 14.913(8) {\AA}, β= 104.20(3)°, V= 1158(1) {\AA}3, and dcalcd = 2.774 g/cm3. A short contact of 3.19 {\AA} occurs between the methyl carbon atom of the amino acid ligand and one of the equatorial CO groups, which seems to be responsible for a displacement of the nitrogen atom of the bridging ligand with respect to the midpoint of the Os(2)-Os(3) bond.",

author = "Maksakov, {V. A.} and Podberezskaya, {N. V.} and Golubovskaya, {E. V.} and Kirin, {V. P.} and Babailov, {S. P.} and Gubin, {S. P.}",

year = "1996",

language = "English",

volume = "41",

pages = "59--65",

journal = "Russian Journal of Inorganic Chemistry",

issn = "0036-0236",

publisher = "Maik Nauka-Interperiodica Publishing",

number = "1",

}

TY - JOUR

T1 - Synthesis of triosmium clusters with amino acid ligands

T2 - crystal structure of(μ-H)Os3(μ-NHCH(CH3)CO2Et)(CO) 10

AU - Maksakov, V. A.

AU - Podberezskaya, N. V.

AU - Golubovskaya, E. V.

AU - Kirin, V. P.

AU - Babailov, S. P.

AU - Gubin, S. P.

PY - 1996

Y1 - 1996

N2 - Triosmium clusters with amino acid ligands (μ-H)Os3(μ-NHCH(R)CO2Et)(CO)10 (R is H or CH3) were synthesized. The stereochemical features of the ligand environment in the clusters were studied by 1H NMR. The complex (μ-H)Os(μ-NHCH(CH3)CO2Et)(CO)10 is structurally characterized by X-ray diffraction. The compound, whose chemical formulais C15H11NO12Os3, crystallizes in the monoclinic space group P21, with Z = 2 and lattice parameters a = 9.194(6) Å, b = 8.716(4) Å, c = 14.913(8) Å, β= 104.20(3)°, V= 1158(1) Å3, and dcalcd = 2.774 g/cm3. A short contact of 3.19 Å occurs between the methyl carbon atom of the amino acid ligand and one of the equatorial CO groups, which seems to be responsible for a displacement of the nitrogen atom of the bridging ligand with respect to the midpoint of the Os(2)-Os(3) bond.

AB - Triosmium clusters with amino acid ligands (μ-H)Os3(μ-NHCH(R)CO2Et)(CO)10 (R is H or CH3) were synthesized. The stereochemical features of the ligand environment in the clusters were studied by 1H NMR. The complex (μ-H)Os(μ-NHCH(CH3)CO2Et)(CO)10 is structurally characterized by X-ray diffraction. The compound, whose chemical formulais C15H11NO12Os3, crystallizes in the monoclinic space group P21, with Z = 2 and lattice parameters a = 9.194(6) Å, b = 8.716(4) Å, c = 14.913(8) Å, β= 104.20(3)°, V= 1158(1) Å3, and dcalcd = 2.774 g/cm3. A short contact of 3.19 Å occurs between the methyl carbon atom of the amino acid ligand and one of the equatorial CO groups, which seems to be responsible for a displacement of the nitrogen atom of the bridging ligand with respect to the midpoint of the Os(2)-Os(3) bond.

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JO - Russian Journal of Inorganic Chemistry

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