(IUCr) Crystallography Journals Online checkcif report

[Contents scheme]

Acta Cryst. (2011). E67, o2066-o2067 [ doi:10.1107/S1600536811027942 ]

1,3-Bis(pyridin-2-yl)-1H-benzimidazol-3-ium tetrafluoridoborate

G. Grieco, O. Blacque and H. Berke

Online 16 July 2011

Key indicators

Single-crystal X-ray study
T = 183 K
Mean (C-C) = 0.002 Å
Disorder in solvent or counterion
R factor = 0.042
wR factor = 0.117
Data-to-parameter ratio = 15.5

checkCIF/PLATON results

No syntax errors found



Alert level A
DIFF020_ALERT_1_A  _diffrn_standards_interval_count and
            _diffrn_standards_interval_time are missing. Number of measurements
            between standards or time (min) between standards.
DIFF022_ALERT_1_A  _diffrn_standards_decay_% is missing
            Percentage decrease in standards intensity.

Alert level C
PLAT244_ALERT_4_C Low   'Solvent' Ueq as Compared to Neighbors of          B1     
PLAT480_ALERT_4_C Long H...A H-Bond Reported H9     ..  F1      ..       2.62 Ang. 
PLAT910_ALERT_3_C Missing # of FCF Reflections Below Th(Min) .....          2      

Alert level G
PLAT005_ALERT_5_G No _iucr_refine_instructions_details in CIF ....          ?
PLAT302_ALERT_4_G Note: Anion/Solvent Disorder ...................         20 Perc.
PLAT432_ALERT_2_G Short Inter X...Y Contact  F2     ..  C2      ..       2.94 Ang. 

   2 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
   3 ALERT level G = General information/check it is not something unexpected

   2 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
   1 ALERT type 3 Indicator that the structure quality may be low
   3 ALERT type 4 Improvement, methodology, query or suggestion
   1 ALERT type 5 Informative message, check