[HTML version][PDF version][Article Abstract][CIF][3d view][Structure Factors][Supplementary Material][Issue contents]  [Open access]

[Contents scheme]

Acta Cryst. (2010). E66, o3035  [ doi:10.1107/S1600536810043795 ]

3,3,9,9-Tetraphenyl-2,4,8,10-tetraoxaspiro[5.5]undecane

X. Sun, L. Chen, Y. Jiang and Z. Li

Online 31 October 2010


Key indicators

checkCIF/PLATON results

No syntax errors found




Alert level B PLAT934_ALERT_3_B Number of (Iobs-Icalc)/SigmaW .gt. 10 Outliers . 11
Alert level C PLAT340_ALERT_3_C Low Bond Precision on C-C Bonds (x 1000) Ang .. 5 PLAT911_ALERT_3_C Missing # FCF Refl Between THmin & STh/L= 0.595 91 PLAT918_ALERT_3_C Reflection(s) # with I(obs) much smaller I(calc) 3
Alert level G PLAT072_ALERT_2_G SHELXL First Parameter in WGHT Unusually Large. 0.10 PLAT860_ALERT_3_G Note: Number of Least-Squares Restraints ....... 1
0 ALERT level A = In general: serious problem 1 ALERT level B = Potentially serious problem 3 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 1 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 0 ALERT type 4 Improvement, methodology, query or suggestion 0 ALERT type 5 Informative message, check

Copyright © International Union of Crystallography
IUCr Webmaster