(IUCr) Crystallography Journals Online checkcif report

[Contents scheme]

Acta Cryst. (2007). E63, o2821-o2823 [ doi:10.1107/S1600536807018429 ]

trans-4,5-Dihydroxyimidazolidine-2-thione

Z.-F. Zhang, J.-M. Zhang, J.-P. Guo and G.-R. Qu

Online 5 May 2007

Key indicators

Single-crystal X-ray study
T = 293 K
Mean (C-C) = 0.003 Å
R factor = 0.028
wR factor = 0.074
Data-to-parameter ratio = 12.8

checkCIF/PLATON results

No syntax errors found




Alert level C
ABSTM02_ALERT_3_C  The ratio of expected to reported Tmax/Tmin(RR') is < 0.90
            Tmin and Tmax reported:      0.644     0.929
            Tmin(prime) and Tmax expected:      0.777     0.929
            RR(prime) =      0.829
            Please check that your absorption correction is appropriate.
PLAT029_ALERT_3_C _diffrn_measured_fraction_theta_full Low .......       0.97      
PLAT061_ALERT_3_C Tmax/Tmin Range Test RR' too Large .............       0.82      
PLAT125_ALERT_4_C No _symmetry_space_group_name_Hall Given .......          ?
PLAT154_ALERT_1_C The su's on the Cell Angles are Equal (x 10000)         300 Deg. 

Alert level G
PLAT199_ALERT_1_G Check the Reported _cell_measurement_temperature        293 K    
PLAT200_ALERT_1_G Check the Reported _diffrn_ambient_temperature .        293 K    

   0 ALERT level A = In general: serious problem
   0 ALERT level B = Potentially serious problem
   5 ALERT level C = Check and explain
   2 ALERT level G = General alerts; check

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