Acta Cryst. (2004). E60, o63-o65  [ doi:10.1107/S1600536803027466 ]

4,5-Diiodo[1,2,5]thiadiazolotetrathiafulvalene

M. Tomura and Y. Yamashita

Online 12 December 2003

Key indicators

• Single-crystal X-ray study
• T = 296 K
• Mean (C-C) = 0.019 Å
• R factor = 0.099
• wR factor = 0.189
• Data-to-parameter ratio = 19.9

checkCIF/PLATON results

No syntax errors found




Alert level C
PLAT040_ALERT_1_C No H-atoms in this Carbon Containing Compound ..          ?
PLAT342_ALERT_3_C Low Bond Precision on C-C bonds (x 1000) Ang ...         19       
PLAT431_ALERT_2_C Short Inter HL..A Contact  I2     ..  N1       =       3.47 Ang.  

Alert level G
CHEMS02_ALERT_1_G  Please check that you have entered the correct
            _publ_requested_category classification of your compound;
            FI or CI or EI for inorganic; FM or CM or EM for metal-organic;
            FO or CO or EO for organic.
            From the CIF: _publ_requested_category   EO
            From the CIF: _chemical_formula_sum :C6 I2 N2 S5

   0 ALERT level A = In general: serious problem
   0 ALERT level B = Potentially serious problem
   3 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
   0 ALERT type 4 Improvement, methodology, query or suggestion

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