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Acta Cryst. (2002). E58, m748-m749 [ doi:10.1107/S1600536802021062 ]
Hexacarbonyldicobalt(0) complex of 5,6,11,12-tetradehydrodibenzo[a,e]cyclooctene, [(![[eta]](/logos/entities/eta_rmgif.gif)
2-C16H8)Co2(CO)6]
A. Orita, L. Jiang, F. Ye, N. Imai, H. Akashi and J. Otera
Abstract: The title compound, [(2-C16H8)Co2(CO)6], (I), has been prepared by treatment of 5,6,11,12-tetradehydrodibenzo[a,e]cyclooctene, (II), with dicobalt octacarbonyl. Although one acetylene in (II) remains intact upon treatment with Co2(CO)8, the other is coordinated to Co2(CO)6, exhibiting a C![[triple bond]](/logos/entities/z-tbnd_rmgif.gif)
C bond lengthened to 1.356 (2) Å and a CC-C bond angle contracted to 147.53 (16)°.
Online 30 November 2002
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