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Reversible formation of an intramolecular agostic CH interaction in a dimanganese complex (1992)

Adams, Richard D. ; Chen, Gong ; Chen, Linfeng ; [et al.]

Springer

Journal of cluster science 3 (1992), S. 103-108

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ISSN: 1572-8862

Keywords: Manganese ; agostic ; crystal structure ; CH activation

Source: Springer Online Journal Archives 1860-2000

Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics

Notes: Abstract Agostic interactions of CH bonds with metal atoms are currently of great interest. UV irradiation of Mn2(CO)8 (PMe2Ph)2 in the presence of the HC≡COEt yielded the new compound Mn2(CO)6(PMe2Ph)2 [μ-C(OEt)=C(H)C=C(H)C=O(OEt)],1 that contains a strong agostic interaction of an olefinic CH bond to one of the managanese atoms, Mn...C=2.349(5), Mn...H=2.01(4). This interaction can be removed (reversibly) by CO addition (25°C/1000 psi) to1 to yield the new complex Mn2(CO)7(PMe2Ph)2[μ-C(OEt)=C(H)C=C(H)C=O(OEt)],2.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/BF00814614

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