(IUCr) Crystallography Journals Online checkcif report

Acta Cryst. (2003). E59, i134-i136 [ doi:10.1107/S1600536803019597 ]

Ammonium iron(III) molybdate

X. Wu, H. Zhang, C. Huang, X. Huang, Q. Sun and Z. Lin

Online 18 September 2003

Key indicators

Single-crystal X-ray study
T = 293 K
Mean (Fe-O) = 0.002 Å
R factor = 0.021
wR factor = 0.055
Data-to-parameter ratio = 13.1

checkCIF/PLATON results

No syntax errors found



Alert level A
DIFF012_ALERT_1_A  _diffrn_reflns_av_R_equivalents is missing
            R factor for symmetry-equivalent intensities.
            The following tests will not be performed
            RINTA
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
PLAT041_ALERT_1_C Calc. and Rep. SumFormula Strings    Differ ....          ?

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

   4 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
   0 ALERT type 3 Indicator that the structure quality may be low
   0 ALERT type 4 Improvement, methodology, query or suggestion