Acta Cryst. (2006). E62, o1075-o1076  [ doi:10.1107/S1600536806005125 ]

8'-Methoxy-3H-spiro[1-naphthofuran-2,2'-chroman]

G. R. Clark, K. Y. Tsang and M. A. Brimble

Online 22 February 2006

Key indicators

• Single-crystal X-ray study
• T = 85 K
• Mean (C-C) = 0.003 Å
• R factor = 0.047
• wR factor = 0.124
• Data-to-parameter ratio = 16.0

checkCIF/PLATON results

No syntax errors found




Alert level C
PLAT066_ALERT_1_C Predicted and Reported Transmissions Identical .          ?
PLAT125_ALERT_4_C No _symmetry_space_group_name_Hall Given .......          ?

   0 ALERT level A = In general: serious problem
   0 ALERT level B = Potentially serious problem
   2 ALERT level C = Check and explain
   0 ALERT level G = General alerts; check

   1 ALERT type 1 CIF construction/syntax error, inconsistent or missing data
   0 ALERT type 2 Indicator that the structure model may be wrong or deficient
   0 ALERT type 3 Indicator that the structure quality may be low
   1 ALERT type 4 Improvement, methodology, query or suggestion

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