Acta Cryst. (2008). E64, o1408  [ doi:10.1107/S1600536808019764 ]

Di-tert-butyl 2,2'-(biphenyl-2,2'-diyldioxy)diacetate

Q. Ali, F. Ibad, M. R. Shah and D. VanDerveer

Online 5 July 2008

Key indicators

• Single-crystal X-ray study
• T = 153 K
• Mean (C-C) = 0.002 Å
• R factor = 0.043
• wR factor = 0.113
• Data-to-parameter ratio = 15.5

checkCIF/PLATON results

No syntax errors found




Alert level C
PLAT220_ALERT_2_C Large Non-Solvent    C     Ueq(max)/Ueq(min) ...       3.01 Ratio
PLAT222_ALERT_3_C Large Non-Solvent    H     Ueq(max)/Ueq(min) ...       3.17 Ratio
PLAT242_ALERT_2_C Check Low       Ueq as Compared to Neighbors for        C17     
PLAT066_ALERT_1_C Predicted and Reported Transmissions Identical .          ?
PLAT125_ALERT_4_C No _symmetry_space_group_name_Hall Given .......          ?
PLAT152_ALERT_1_C Supplied and Calc Volume s.u. Inconsistent .....          ?
PLAT154_ALERT_1_C The su's on the Cell Angles are Equal  (x 10000)       3000 Deg. 

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

   3 ALERT type 1 CIF construction/syntax error, inconsistent or missing data
   2 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
   1 ALERT type 4 Improvement, methodology, query or suggestion
   0 ALERT type 5 Informative message, check

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