Acta Cryst. (2004). E60, o899-o900  [ doi:10.1107/S1600536804009973 ]

1,2,3,5,6,7,8,9-Octachlorocyclopenta[def]phenanthren-4-one

Y. Peng, S.-Y. Xie, S.-L. Deng, R.-B. Huang and L.-S. Zheng

Online 30 April 2004

Key indicators

• Single-crystal X-ray study
• T = 293 K
• Mean (C-C) = 0.005 Å
• R factor = 0.050
• wR factor = 0.110
• Data-to-parameter ratio = 14.2

checkCIF/PLATON results

No syntax errors found




Alert level C
PLAT040_ALERT_1_C No H-atoms in this Carbon Containing Compound ..          ?
PLAT340_ALERT_3_C Low Bond Precision on C-C bonds (x 1000) Ang ...          6       
PLAT431_ALERT_2_C Short Inter HL..A Contact  Cl3    ..  Cl4     ..       3.42 Ang.  

   0 ALERT level A = In general: serious problem
   0 ALERT level B = Potentially serious problem
   3 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
   1 ALERT type 2 Indicator that the structure model may be wrong or deficient
   1 ALERT type 3 Indicator that the structure quality may be low
   0 ALERT type 4 Improvement, methodology, query or suggestion


checkCIF publication errors

Alert level A
PUBL006_ALERT_1_A  _publ_requested_journal is missing
            e.g. 'Acta Crystallographica Section C'

   1 ALERT level A = Data missing that is essential or data in wrong format
   0 ALERT level G = General alerts. Data that may be required is missing

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