Acta Cryst. (2004). E60, o795-o797  [ doi:10.1107/S160053680400858X ]

6',6'-Dichloro-3,3''-etheno-3,4,3'',4''-tetrahydro-2H-1,3-benzoxazine-2-spiro-2'-(2⁵,4⁵,6⁵-cyclotriphosphazene)-4'-spiro-2''-2H-1,3-benzoxazine

B. Tercan, T. Hökelek, S. Bilge, A. Natsagdorj, S. Demiriz and Z. Kiliç

Online 17 April 2004

Key indicators

• Single-crystal X-ray study
• T = 293 K
• Mean (C-C) = 0.010 Å
• R factor = 0.057
• wR factor = 0.165
• Data-to-parameter ratio = 14.1

checkCIF/PLATON results

No syntax errors found




Alert level C
PLAT026_ALERT_3_C Ratio Observed / Unique Reflections too Low ....         47 Perc. 
PLAT241_ALERT_2_C Check High   U(eq) as Compared to Neighbors ....         C9     
PLAT320_ALERT_2_C Check Hybridisation of  C8     in Main Residue .          ?     
PLAT340_ALERT_3_C Low Bond Precision on C-C bonds (x 1000) Ang ...         10       
PLAT360_ALERT_2_C Short  C(sp3)-C(sp3) Bond  C8     -   C9     ...       1.42 Ang.  

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

   0 ALERT type 1 CIF construction/syntax error, inconsistent or missing data
   3 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
   0 ALERT type 4 Improvement, methodology, query or suggestion

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