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Redermination of 9,9'-bianthracene-10,10'(9H,9'H)-dione.

ABSTRACT: The crystal structure of the title compound, C(28)H(18)O(2), was originally determined by Ehrenberg [(1967 ?). Acta Cryst. 22, 482-487] using intensity data obtained from Weissenberg photographs. The current determination provides a crystal and mol-ecular structure with a significantly higher precision and presents standard uncertainties on geometric parameters which are not available from the original work. The mol-ecule lies on a crystallographic twofold rotation axis which bis-ects the C-C bond [1.603?(3)?Å] which joins the two anthracen-9(10H)-one units.

SUBMITTER: Wen ZG 

PROVIDER: S-EPMC2959320 | biostudies-other | 2008

REPOSITORIES: biostudies-other

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Redermination of 9,9'-bianthracene-10,10'(9H,9'H)-dione.

Wen Zhi-Gang ZG   Li Jia-Ming JM  

Acta crystallographica. Section E, Structure reports online 20080913 Pt 10

The crystal structure of the title compound, C(28)H(18)O(2), was originally determined by Ehrenberg [(1967 ▶). Acta Cryst. 22, 482-487] using intensity data obtained from Weissenberg photographs. The current determination provides a crystal and mol-ecular structure with a significantly higher precision and presents standard uncertainties on geometric parameters which are not available from the original work. The mol-ecule lies on a crystallographic twofold rotation axis which bis-ects the C-C bo  ...[more]