Acta Cryst. (2009). E65, o595-o596  [ doi:10.1107/S1600536809006035 ]

3,3-Ethylenedithio-3,3a,4,5,10,10b-hexahydro-2H-furo[2,3-a]carbazole

N. Uludag, A. Öztürk, T. Hökelek and Ü. I. Erdogan

Online 25 February 2009

Key indicators

• Single-crystal X-ray study
• T = 294 K
• Mean (C-C) = 0.006 Å
• R factor = 0.041
• wR factor = 0.108
• Data-to-parameter ratio = 12.4

checkCIF/PLATON results

No syntax errors found




Alert level C
            Value of measurement temperature given =   294.000
            Value of melting point given =     0.000
RINTA01_ALERT_3_C  The value of Rint is greater than 0.12
            Rint given   0.149
THETM01_ALERT_3_C  The value of sine(theta_max)/wavelength is less than 0.590
            Calculated sin(theta_max)/wavelength =    0.5790
PLAT023_ALERT_3_C Resolution (too) Low [sin(theta)/Lambda < 0.6]..      24.30 Deg. 
PLAT026_ALERT_3_C Ratio Observed / Unique Reflections too Low ....         48 Perc.
PLAT340_ALERT_3_C Low Bond Precision on C-C Bonds (x 1000) Ang ...          6      
PLAT234_ALERT_4_C Large Hirshfeld Difference C8     --  C9      ..       0.10  Ang.
PLAT234_ALERT_4_C Large Hirshfeld Difference C11    --  C12     ..       0.10  Ang.

Alert level G
PLAT793_ALERT_4_G The Model has Chirality at C3A     (Verify) ....          S      
PLAT793_ALERT_4_G The Model has Chirality at C10B    (Verify) ....          S      

   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
   0 ALERT type 2 Indicator that the structure model may be wrong or deficient
   5 ALERT type 3 Indicator that the structure quality may be low
   4 ALERT type 4 Improvement, methodology, query or suggestion
   0 ALERT type 5 Informative message, check

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