(IUCr) Crystallography Journals Online checkcif report

[Contents scheme]

Acta Cryst. (2013). E69, o340
[ doi:10.1107/S1600536813003000 ]

6-Hydroxy-1,2-dihydro-4H-pyrrolo[3,2,1-ij]quinolin-4-one

V. B. Rybakov, S. V. Shishkina, I. V. Ukrainets, O. V. Gorokhova and X. V. Andreeva

Key indicators

Single-crystal X-ray study
T = 295 K
Mean (C-C) = 0.002 Å
R factor = 0.044
wR factor = 0.125
Data-to-parameter ratio = 19.1

checkCIF/PLATON results

No syntax errors found




Alert level B
PLAT355_ALERT_3_B Long    O-H Bond (0.82A)   O2     -   H2     ...       1.09 Ang. 

Alert level C
PLAT906_ALERT_3_C Large K value in the Analysis of Variance ......      3.184      
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 the CIF          ?

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

   0 ALERT type 1 CIF construction/syntax error, inconsistent or missing data
   0 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
   0 ALERT type 4 Improvement, methodology, query or suggestion
   1 ALERT type 5 Informative message, check