Acta Cryst. (2004). E60, o1465-o1466  [ doi:10.1107/S1600536804018549 ]

(E)-4,4,4-Trichloro-1-phenylbut-2-en-1-one

X.-G. Zhang, P. Zhong, M.-L. Hu, D.-Y. Wang and D. Lin

Key indicators

• Single-crystal X-ray study
• T = 298 K
• Mean (C-C) = 0.009 Å
• R factor = 0.079
• wR factor = 0.228
• Data-to-parameter ratio = 13.2

checkCIF/PLATON results

No syntax errors found




Alert level B
PLAT242_ALERT_2_B Check Low    U(eq) as Compared to Neighbors  for        C10     

Alert level C
PLAT143_ALERT_4_C su on c - Axis Small or Missing (x 100000) .....         14 Ang.  
PLAT340_ALERT_3_C Low Bond Precision on C-C bonds (x 1000) Ang ...          9       
PLAT431_ALERT_2_C Short Inter HL..A Contact  Cl1    ..  O1      ..       3.13 Ang.  

   0 ALERT level A = In general: serious problem
   1 ALERT level B = Potentially serious problem
   3 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
   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

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