Acta Cryst. (2004). E60, o1719-o1721  [ doi:10.1107/S1600536804020549 ]

(2Z)-2-(Hydroximino)-3-methoxy-3-phenyl-2,3-dihydro-1H-imidazo[1,2-a]pyrimidin-4-ium perchlorate

A. Anaflous, N.-E. Benchat, T. Ben-Hadda, B. El Bali and M. Bolte

Online 11 September 2004

Key indicators

• Single-crystal X-ray study
• T = 173 K
• Mean (C-C) = 0.003 Å
• R factor = 0.045
• wR factor = 0.128
• Data-to-parameter ratio = 15.4

checkCIF/PLATON results

No syntax errors found




Alert level B
PLAT432_ALERT_2_B Short Inter X...Y Contact  O3     ..  C6      ..       2.88 Ang.  

Alert level C
PLAT790_ALERT_4_C Centre of Gravity not Within Unit Cell: Resd.  #          2       
              Cl O4                                                             

   0 ALERT level A = In general: serious problem
   1 ALERT level B = Potentially serious problem
   1 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
   1 ALERT type 2 Indicator that the structure model may be wrong or deficient
   0 ALERT type 3 Indicator that the structure quality may be low
   1 ALERT type 4 Improvement, methodology, query or suggestion

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