Acta Cryst. (2006). E62, i47-i49  [ doi:10.1107/S1600536806004259 ]

Cobalt mercury tetraselenocyanate, CoHg(SeCN)₄

S.-L. Li, H.-K. Fun, S. Chantrapromma, J.-Y. Wu and Y.-P. Tian

Online 10 February 2006

Key indicators

• Single-crystal X-ray study
• T = 213 K
• Mean (N-C) = 0.019 Å
• R factor = 0.041
• wR factor = 0.103
• Data-to-parameter ratio = 17.2

checkCIF/PLATON results

No syntax errors found




Alert level C
PLAT040_ALERT_1_C No H-atoms in this Carbon Containing Compound ..          ?
PLAT066_ALERT_1_C Predicted and Reported Transmissions Identical .          ?

Alert level G
REFLT03_ALERT_4_G Please check that the estimate of the number of Friedel pairs is
            correct. If it is not, please give the correct count in the
            _publ_section_exptl_refinement section of the submitted CIF.
           From the CIF: _diffrn_reflns_theta_max           25.98
           From the CIF: _reflns_number_total                566
           Count of symmetry unique reflns          323
           Completeness (_total/calc)            175.23%
           TEST3: Check Friedels for noncentro structure
           Estimate of Friedel pairs measured       243
           Fraction of Friedel pairs measured     0.752
           Are heavy atom types Z>Si present        yes

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

   2 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
   1 ALERT type 4 Improvement, methodology, query or suggestion

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