Benzotriyne
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Properties | |
C6 | |
Molar mass | 72.07 g·mol−1 |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Benzotriyne or cyclo[6]carbon is a hypothetical chemical compound, an allotrope of carbon with molecular formula C6. The molecule is a ring of six carbon atoms, connected either by alternating triple and single bonds or by double bonds.[1] It is, therefore, a potential member of the cyclo[n]carbon family.
There have been a few attempts to synthesize benzotriyne, e.g. by pyrolysis of mellitic anhydride,[2] but without success (as of 2011).
Recent investigations have concluded that benzotriyne is unlikely to exist due to the large angle strain.[citation needed] A likely alternative would be a cyclical cumulene called cyclohexahexaene, which should itself be a metastable species.
References
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