Acta Cryst. (2004). E60, o1429-o1430  [ doi:10.1107/S1600536804018124 ]

6-Chloro-3-(p-tolyl)-3,4-dihydroquinazolin-2(1H)-one

D. Shi, C. Shi, Z. Li and X. Wang

Online 31 July 2004

Key indicators

• Single-crystal X-ray study
• T = 193 K
• Mean (C-C) = 0.004 Å
• R factor = 0.065
• wR factor = 0.169
• Data-to-parameter ratio = 17.1

checkCIF/PLATON results

No syntax errors found




Alert level B
PLAT241_ALERT_2_B Check High   U(eq) as Compared to Neighbors  for         C2     

Alert level C
PLAT063_ALERT_3_C Crystal Probably too Large for Beam Size .......       0.80 mm    
PLAT242_ALERT_2_C Check Low    U(eq) as Compared to Neighbors  for         N2     
PLAT431_ALERT_2_C Short Inter HL..A Contact  Cl1    ..  Cl1     ..       3.43 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
   3 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
   0 ALERT type 4 Improvement, methodology, query or suggestion

Copyright © International Union of Crystallography
IUCr Webmaster