Synthesis, structural characterization and solution dynamics of osmium-rhodium mixed-metal cluster [Os4Rh(μ-H)4(CO)13(η2-NC5H4C2H2)]

Jasmine Po Kwan Lau; Wing Tak Wong

doi:10.1016/S1387-7003(02)00706-2

Synthesis, structural characterization and solution dynamics of osmium-rhodium mixed-metal cluster [Os₄Rh(μ-H)₄(CO)₁₃(η²-NC₅H₄C₂H₂)]

Jasmine Po Kwan Lau, Wing Tak Wong

Research output: Journal article publication › Journal article › Academic research › peer-review

17 Citations (Scopus)

Abstract

Reaction of [Os3Rh(μ-H)3(CO)12] 1 with an excess amount of 2-vinylpyridine in refluxing CHCl3afforded a new cluster, [Os4Rh(μ-H)4(CO)13(η2-NC5H4C2H2)] 2, in moderate yield. A pair of isomers 2a and 2b, which differ in configuration of the metallated vinylpyridine exist in the solution of 2. Through the variable temperature EXSY experiment, the activation barrier (ΔG≠) for the isomerisation of 2 was determined to be 89.8 kJ mol-1.

Original language	English
Pages (from-to)	174-177
Number of pages	4
Journal	Inorganic Chemistry Communications
Volume	6
Issue number	2
DOIs	https://doi.org/10.1016/S1387-7003(02)00706-2
Publication status	Published - 1 Feb 2003
Externally published	Yes

Keywords

2-Vinylpyridine
2D EXSY-experiment
Osmium-Rhodium
X-ray crystallography

ASJC Scopus subject areas

Physical and Theoretical Chemistry
Inorganic Chemistry
Materials Chemistry

More information

10.1016/S1387-7003(02)00706-2

Cite this

@article{742a46e5940c492e8c34f44125abf71d,

title = "Synthesis, structural characterization and solution dynamics of osmium-rhodium mixed-metal cluster [Os4Rh(μ-H)4(CO)13(η2-NC5H4C2H2)]",

abstract = "Reaction of [Os3Rh(μ-H)3(CO)12] 1 with an excess amount of 2-vinylpyridine in refluxing CHCl3afforded a new cluster, [Os4Rh(μ-H)4(CO)13(η2-NC5H4C2H2)] 2, in moderate yield. A pair of isomers 2a and 2b, which differ in configuration of the metallated vinylpyridine exist in the solution of 2. Through the variable temperature EXSY experiment, the activation barrier (ΔG≠) for the isomerisation of 2 was determined to be 89.8 kJ mol-1.",

keywords = "2-Vinylpyridine, 2D EXSY-experiment, Osmium-Rhodium, X-ray crystallography",

author = "Lau, {Jasmine Po Kwan} and Wong, {Wing Tak}",

year = "2003",

month = feb,

day = "1",

doi = "10.1016/S1387-7003(02)00706-2",

language = "English",

volume = "6",

pages = "174--177",

journal = "Inorganic Chemistry Communications",

issn = "1387-7003",

publisher = "Elsevier B.V.",

number = "2",

}

TY - JOUR

T1 - Synthesis, structural characterization and solution dynamics of osmium-rhodium mixed-metal cluster [Os4Rh(μ-H)4(CO)13(η2-NC5H4C2H2)]

AU - Lau, Jasmine Po Kwan

AU - Wong, Wing Tak

PY - 2003/2/1

Y1 - 2003/2/1

N2 - Reaction of [Os3Rh(μ-H)3(CO)12] 1 with an excess amount of 2-vinylpyridine in refluxing CHCl3afforded a new cluster, [Os4Rh(μ-H)4(CO)13(η2-NC5H4C2H2)] 2, in moderate yield. A pair of isomers 2a and 2b, which differ in configuration of the metallated vinylpyridine exist in the solution of 2. Through the variable temperature EXSY experiment, the activation barrier (ΔG≠) for the isomerisation of 2 was determined to be 89.8 kJ mol-1.

AB - Reaction of [Os3Rh(μ-H)3(CO)12] 1 with an excess amount of 2-vinylpyridine in refluxing CHCl3afforded a new cluster, [Os4Rh(μ-H)4(CO)13(η2-NC5H4C2H2)] 2, in moderate yield. A pair of isomers 2a and 2b, which differ in configuration of the metallated vinylpyridine exist in the solution of 2. Through the variable temperature EXSY experiment, the activation barrier (ΔG≠) for the isomerisation of 2 was determined to be 89.8 kJ mol-1.

KW - 2-Vinylpyridine

KW - 2D EXSY-experiment

KW - Osmium-Rhodium

KW - X-ray crystallography

UR - http://www.scopus.com/inward/record.url?scp=0037294960&partnerID=8YFLogxK

U2 - 10.1016/S1387-7003(02)00706-2

DO - 10.1016/S1387-7003(02)00706-2

M3 - Journal article

SN - 1387-7003

VL - 6

SP - 174

EP - 177

JO - Inorganic Chemistry Communications

JF - Inorganic Chemistry Communications

IS - 2

ER -