Acta Cryst. (2009). E65, o281  [ doi:10.1107/S1600536808043869 ]

2-Chloro-5-(2-iodobenzenesulfonamido)benzoic acid

M. N. Arshad, M. N. Tahir, I. U. Khan, W. A. Siddiqui and M. Shafiq

Online 10 January 2009

Key indicators

• Single-crystal X-ray study
• T = 296 K
• Mean (C-C) = 0.004 Å
• Disorder in main residue
• R factor = 0.026
• wR factor = 0.069
• Data-to-parameter ratio = 18.4

checkCIF/PLATON results

No syntax errors found




Alert level B
PLAT431_ALERT_2_B Short Inter HL..A Contact  I1B    ..  Cl1     ..       3.38 Ang. 

Alert level C
            Value of measurement temperature given =   296.000
            Value of melting point given =     0.000
PLAT242_ALERT_2_C Check Low       Ueq as Compared to Neighbors for        C13     
PLAT301_ALERT_3_C Main Residue  Disorder .........................       5.00 Perc.
PLAT431_ALERT_2_C Short Inter HL..A Contact  I1A    ..  Cl1     ..       3.46 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
   3 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
   0 ALERT type 5 Informative message, check

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