Acta Cryst. (2011). E67, m1037  [ doi:10.1107/S1600536811025797 ]

catena-Poly[[diiodidocadmium]--[4,4'-(2,3,5,6-tetramethyl-1,4-phenylene)bis(methylene)]bis(3,5-dimethyl-1H-pyrazole)-²N²:N^2']

Y. Zhou, Z. Wang, G. Yang and S. W. Ng

Online 6 July 2011

Key indicators

• Single-crystal X-ray study
• T = 293 K
• Mean (C-C) = 0.008 Å
• R factor = 0.054
• wR factor = 0.134
• Data-to-parameter ratio = 21.5

checkCIF/PLATON results

No syntax errors found




Alert level C
PLAT241_ALERT_2_C Check High      Ueq as Compared to Neighbors for         C6     
PLAT420_ALERT_2_C D-H Without Acceptor       N2     -   H2     ...          ?      
PLAT910_ALERT_3_C Missing # of FCF Reflections Below Th(Min) .....          1      

Alert level G
PLAT004_ALERT_5_G Info: Polymeric Structure Found with Dimension .          1      
PLAT005_ALERT_5_G No _iucr_refine_instructions_details in CIF ....          ?
PLAT083_ALERT_2_G SHELXL Second Parameter in WGHT Unusually Large.       7.42      
PLAT199_ALERT_1_G Check the Reported _cell_measurement_temperature        293 K    
PLAT200_ALERT_1_G Check the Reported   _diffrn_ambient_temperature        293 K    
PLAT764_ALERT_4_G Overcomplete CIF Bond List Detected (Rep/Expd) .       1.12 Ratio
PLAT961_ALERT_5_G Dataset Contains no Negative Intensities .......          !

   0 ALERT level A = Most likely a serious problem - resolve or explain
   0 ALERT level B = A potentially serious problem, consider carefully
   3 ALERT level C = Check. Ensure it is not caused by an omission or oversight
   7 ALERT level G = General information/check it is not something unexpected

   2 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
   1 ALERT type 4 Improvement, methodology, query or suggestion
   3 ALERT type 5 Informative message, check

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