Acta Cryst. (2005). E61, m956-m957  [ doi:10.1107/S1600536805012213 ]

Tetrakis[4-(trifluoromethyl)phenyl]stannane

D. J. Young, P. Manuaba, P. C. Healy and E. R. T. Tiekink

Online 27 April 2005

Key indicators

• Single-crystal X-ray study
• T = 293 K
• Mean (n-C) = 0.007 Å
• Disorder in main residue
• R factor = 0.051
• wR factor = 0.157
• Data-to-parameter ratio = 10.0

checkCIF/PLATON results

No syntax errors found




Alert level C
PLAT199_ALERT_1_C Check the Reported _cell_measurement_temperature        293 K     
PLAT200_ALERT_1_C Check the Reported _diffrn_ambient_temperature .        293 K     
PLAT242_ALERT_2_C Check Low       Ueq as Compared to Neighbors for         C7     

PLAT301_ALERT_3_C Main Residue  Disorder .........................      23.00 Perc. 

Alert level G
REFLT03_ALERT_4_G  WARNING: Large fraction of Friedel related reflns may
                     be needed to determine absolute structure
           From the CIF: _diffrn_reflns_theta_max           27.50
           From the CIF: _reflns_number_total                883
           Count of symmetry unique reflns          882
           Completeness (_total/calc)            100.11%
           TEST3: Check Friedels for noncentro structure
           Estimate of Friedel pairs measured         1
           Fraction of Friedel pairs measured     0.001
           Are heavy atom types Z>Si present        yes

   0 ALERT level A = In general: serious problem
   0 ALERT level B = Potentially serious problem
   4 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
   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
   1 ALERT type 4 Improvement, methodology, query or suggestion

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