Acta Cryst. (2005). E61, o895-o897  [ doi:10.1107/S1600536805006045 ]

1-Carboxymethyl-3-iodo-1-pyridinium-iodide-(3-iodo-1-pyridinio)acetate (1/1/1)

P. G. Jones, B. Cots Carrasquer and E.-M. Zerbe

Online 11 March 2005

Key indicators

• Single-crystal X-ray study
• T = 133 K
• Mean (C-C) = 0.005 Å
• R factor = 0.029
• wR factor = 0.052
• Data-to-parameter ratio = 24.3

checkCIF/PLATON results

No syntax errors found



Alert level A
PLAT431_ALERT_2_A Short Inter HL..A Contact  I1     ..  I2      ..       3.44 Ang.  

Alert level C
PLAT042_ALERT_1_C Calc. and Rep. MoietyFormula Strings Differ ....          ?
PLAT125_ALERT_4_C No _symmetry_space_group_name_Hall Given .......          ?
PLAT128_ALERT_4_C Non-standard setting of Space group P2/c    ....    P2/n          
PLAT480_ALERT_4_C Long H...A H-Bond Reported H2     ..  I2      ..       3.26 Ang.  
PLAT720_ALERT_4_C Number of Unusual/Non-Standard Label(s) ........          1       

   1 ALERT level A = In general: serious problem
   0 ALERT level B = Potentially serious problem
   5 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
   0 ALERT type 3 Indicator that the structure quality may be low
   4 ALERT type 4 Improvement, methodology, query or suggestion

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