Acta Cryst. (2012). E68, m25  [ doi:10.1107/S1600536811052184 ]

trans-Tetraaquabis[bis(pyridin-3-yl)methanone-N]manganese(II) bis(perchlorate)

B. Liu and F. Zhang

Online 10 December 2011

Key indicators

• Single-crystal X-ray study
• T = 296 K
• Mean (C-C) = 0.006 Å
• R factor = 0.050
• wR factor = 0.143
• Data-to-parameter ratio = 12.9

checkCIF/PLATON results

No syntax errors found




Alert level C
PLAT911_ALERT_3_C Missing # FCF Refl Between THmin & STh/L=  0.595          4      

Alert level G
PLAT002_ALERT_2_G Number of Distance or Angle Restraints on AtSite          6      
PLAT005_ALERT_5_G No _iucr_refine_instructions_details in CIF ....          ?
PLAT128_ALERT_4_G Alternate Setting of Space-group P21/c   .......      P21/n      
PLAT720_ALERT_4_G Number of Unusual/Non-Standard Labels ..........          4      
PLAT860_ALERT_3_G Note: Number of Least-Squares Restraints .......          4      
PLAT909_ALERT_3_G Percentage of Observed Data at Theta(Max) still          52 Perc.

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

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

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