A tris(alkyne)triosmium cluster with an open structure: crystal structure of [OS3(CO)8(Me2C2)3] |
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| Affiliation: | 1. Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu, Sichuan 610064, China;2. Analytical & Testing Center, Sichuan University, Chengdu, Sichuan 610064, China |
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| Abstract: | Reaction of [Os3(CO)8(Me2C2)2] with Me2C2 at 70°C in toluene produces a tris(alkyne) substituted triosmium cluster, which has been shown crystallographically to contain a bent arrangement of osmium atoms. Two of the alkyne units are linked via a carbon-carbon bond to produce an osmacyclopentadiene ring, while the third alkyne unit remains independently coordinated to the cluster via two π-bonds. |
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