Acta Cryst. (2008). E64, o2147  [ doi:10.1107/S1600536808032121 ]

2,7-Dibromo-9-octyl-9H-carbazole

E. Gagnon and D. Laliberté

Online 22 October 2008

Key indicators

• Single-crystal X-ray study
• T = 150 K
• Mean (C-C) = 0.003 Å
• R factor = 0.030
• wR factor = 0.083
• Data-to-parameter ratio = 15.8

checkCIF/PLATON results

No syntax errors found




Alert level B
PLAT029_ALERT_3_B _diffrn_measured_fraction_theta_full Low .......       0.95      

Alert level C
            Value of measurement temperature given =   150.000
            Value of melting point given =     0.000
REFLT03_ALERT_3_C  Reflection count < 95% complete
           From the CIF: _diffrn_reflns_theta_max           68.17
           From the CIF: _diffrn_reflns_theta_full          68.17
           From the CIF: _reflns_number_total               3301
           TEST2: Reflns within _diffrn_reflns_theta_max
           Count of symmetry unique reflns         3477
           Completeness (_total/calc)             94.94%
PLAT022_ALERT_3_C Ratio Unique / Expected Reflections too Low ....       0.95      
PLAT431_ALERT_2_C Short Inter HL..A Contact  Br2    ..  Br2     ..       3.55 Ang. 

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

   0 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
   3 ALERT type 3 Indicator that the structure quality may be low
   0 ALERT type 4 Improvement, methodology, query or suggestion
   0 ALERT type 5 Informative message, check

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