Dibenzo[a,e]pentacyclo[12.2.1.16,9.02,13.05.10]octadeca-2(13),5(10)-diene

Dibenzo[a,e]pentacyclo[12.2.1.16,9.02,13.05.10]octadeca-2(13),5(10)-diene

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In the title compound, C26H24, the central cyclooctatetraene ring has a boat conformation, and the molecule is saddle shaped.The seat is defined by the mean plane of the four-atom attachment points (r.m.

s.deviation = 0.014 Å) of the two bicycloheptane substituents.

These substituents comprise the Tracksuit pommel and cantle, with each mean plane defined by four atoms proximate to the seat (r.m.s.

deviations Dab Tools = 0.001 and 0.000 Å).

Relative to the seat, the pommel and cantle bend up 33.36 (5) and 34.22 (4)°, while the benzo units (flaps, r.

m.s.deviations = 0.

008 and 0.013 Å) bend down 33.48 (4) and 36.

58 (4)°.