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Diethyl 9,10-endo-ethano-9,10-dihydroanthracene-11,11-dicarboxylate
2004
Acta Crystallographica Section E
Key indicators Single-crystal X-ray study T = 120 K Mean '(C±C) = 0.003 A Ê R factor = 0.055 wR factor = 0.143 Data-to-parameter ratio = 14.9 For details of how these key indicators were automatically derived from the article, see http://journals.iucr.org/e. # 2004 International Union of Crystallography Printed in Great Britain ± all rights reserved The title compound, C 22 H 22 O 4 , possesses normal geometrical parameters and the dihedral angle between the two benzene ring planes is 57.62 (5)
doi:10.1107/s1600536804012279
fatcat:wv7pm4mqtzanxaopnyj5xw3qhe