Acta Cryst. (2006). E62, m3052-m3053  [ doi:10.1107/S1600536806042899 ]

catena-Poly[[[trimethyltin(IV)]--4,4'-bipyridyl-²N:N'-[trimethyltin(IV)]--1,3,4-thiadiazole-2,5(3H)-dithionato(2-)-²N³:S⁵] 4,4'-bipyridine clathrate]

L.-L. Qiu, J.-K. Li, J.-S. Sun and R.-F. Zhang

Online 25 October 2006

Key indicators

• Single-crystal X-ray study
• T = 298 K
• Mean (C-C) = 0.014 Å
• R factor = 0.036
• wR factor = 0.092
• Data-to-parameter ratio = 11.4

checkCIF/PLATON results

No syntax errors found




Alert level C
PLAT062_ALERT_4_C Rescale T(min) & T(max) by .....................       0.95      
PLAT125_ALERT_4_C No _symmetry_space_group_name_Hall Given .......          ?
PLAT241_ALERT_2_C Check High      Ueq as Compared to Neighbors for         S2     
PLAT241_ALERT_2_C Check High      Ueq as Compared to Neighbors for        C10     
PLAT242_ALERT_2_C Check Low       Ueq as Compared to Neighbors for        Sn1     
PLAT242_ALERT_2_C Check Low       Ueq as Compared to Neighbors for        C11     
PLAT342_ALERT_3_C Low Bond Precision on C-C bonds (x 1000) Ang ...         14      

Alert level G
ABSTM02_ALERT_3_G  When printed, the submitted absorption T values will be
            replaced by the scaled T values. Since the ratio of scaled T's
            is identical to the ratio of reported T values, the scaling
            does not imply a change to the absorption corrections used in
            the study.
            Ratio of Tmax expected/reported      0.949
            Tmax scaled      0.585 Tmin scaled      0.466
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           25.01
           From the CIF: _reflns_number_total               4003
           Count of symmetry unique reflns         2920
           Completeness (_total/calc)            137.09%
           TEST3: Check Friedels for noncentro structure
           Estimate of Friedel pairs measured      1083
           Fraction of Friedel pairs measured     0.371
           Are heavy atom types Z>Si present        yes

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

   0 ALERT type 1 CIF construction/syntax error, inconsistent or missing data
   4 ALERT type 2 Indicator that the structure model may be wrong or deficient
   2 ALERT type 3 Indicator that the structure quality may be low
   3 ALERT type 4 Improvement, methodology, query or suggestion
   0 ALERT type 5 Informative message, check

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