Acta Cryst. (2003). E59, o667-o669  [ doi:10.1107/S160053680300789X ]

[6a,16b]-cis-7,7-Dimethyl-6,6a,7,16b-tetrahydrochromeno[4',3':3,4]pyrano[3,2-c]--naphthocoumarin

R. Krishna, S. Selvanayagam, M. Yogavel, D. Velmurugan and S. Manikandan

Online 23 April 2003

Key indicators

• Single-crystal X-ray study
• T = 293 K
• Mean (C-C) = 0.003 Å
• R factor = 0.049
• wR factor = 0.153
• Data-to-parameter ratio = 14.4

checkCIF results

No syntax errors found

ADDSYM reports no extra symmetry

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