Acta Cryst. (2004). E60, m190-m192  [ doi:10.1107/S1600536804000789 ]

catena-Poly[[trimethyltin(IV)]--(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)-3-phenylpropionato-²O:O']

M. Parvez, S. Ahmed, S. Ali, M. H. Bhatti and M. Mazhar

Online 17 January 2004

Key indicators

• Single-crystal X-ray study
• T = 173 K
• Mean (C-C) = 0.004 Å
• R factor = 0.023
• wR factor = 0.060
• Data-to-parameter ratio = 23.4

checkCIF/PLATON results

No syntax errors found




Alert level B
PLAT029_ALERT_3_B _diffrn_measured_fraction_theta_full Low .......       0.94       

Alert level C
PLAT220_ALERT_2_C Large Non-Solvent    C     Ueq(max)/Ueq(min) ...       2.88 Ratio 
PLAT601_ALERT_2_C Structure Contains Solvent Accessible VOIDS of .      31.00 A   3  

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           30.00
           From the CIF: _reflns_number_total               4688
           Count of symmetry unique reflns         3016
           Completeness (_total/calc)            155.44%
           TEST3: Check Friedels for noncentro structure
           Estimate of Friedel pairs measured      1672
           Fraction of Friedel pairs measured     0.554
           Are heavy atom types Z>Si present          yes

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

   0 ALERT type 1 CIF construction/syntax error, inconsistent or missing data
   2 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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