Acta Cryst. (2003). E59, o1441-o1443  [ doi:10.1107/S1600536803019032 ]

Tetrathiafulvalenium 4-oxo-2,2,6,6-tetramethylpiperidin-1-sulfate

H. Akutsu, J. Yamada and S. Nakatsuji

Online 5 September 2003

Key indicators

• Single-crystal X-ray study
• T = 296 K
• Mean (C-C) = 0.007 Å
• R factor = 0.067
• wR factor = 0.042
• Data-to-parameter ratio = 10.5

checkCIF/PLATON results

No syntax errors found




Alert level C
PLAT042_ALERT_1_C Calc. and Rep. MoietyFormula Strings Differ ....          ?
PLAT152_ALERT_1_C Supplied and Calc Volume s.u. Inconsistent .....          ?
PLAT155_ALERT_4_C The Triclinic Unitcell is NOT Reduced ..........          ?
PLAT156_ALERT_4_C Axial System Input Cell not Standard ...........          ?
PLAT242_ALERT_2_C Check Low    U(eq) as Compared to Neighbors ....         S5     
PLAT340_ALERT_3_C Low Bond Precision on C-C bonds (x 1000) Ang ...          7       

   0 ALERT level A = In general: serious problem
   0 ALERT level B = Potentially serious problem
   6 ALERT level C = Check and explain
   0 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
   2 ALERT type 4 Improvement, methodology, query or suggestion

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