Acta Cryst. (2004). E60, m222-m224  [ doi:10.1107/S1600536804001217 ]

The arsenic(V) compound PhAs(O)(OH)(OSiPh₃)

G. Ferguson, B. J. O'Leary and T. R. Spalding

Online 30 January 2004

Key indicators

• Single-crystal X-ray study
• T = 294 K
• Mean (C-C) = 0.005 Å
• R factor = 0.035
• wR factor = 0.079
• Data-to-parameter ratio = 18.0

checkCIF/PLATON results

No syntax errors found




Alert level C
PLAT074_ALERT_1_C Occupancy Parameter = 0.0 for ..................        CG1     
PLAT074_ALERT_1_C Occupancy Parameter = 0.0 for ..................        CG2     
PLAT074_ALERT_1_C Occupancy Parameter = 0.0 for ..................        CG3     
PLAT074_ALERT_1_C Occupancy Parameter = 0.0 for ..................        CG4     
PLAT220_ALERT_2_C Large Non-Solvent    C     Ueq(max)/Ueq(min) ...       2.67 Ratio 
PLAT241_ALERT_2_C Check High   U(eq) as Compared to Neighbors ....        C13     
PLAT241_ALERT_2_C Check High   U(eq) as Compared to Neighbors ....        C43     
PLAT480_ALERT_4_C Long H...A H-Bond Reported H15    ..  CG2      =       2.85 Ang.  
PLAT480_ALERT_4_C Long H...A H-Bond Reported H24    ..  CG4      =       3.04 Ang.  
PLAT480_ALERT_4_C Long H...A H-Bond Reported H33    ..  CG4      =       2.96 Ang.  
PLAT480_ALERT_4_C Long H...A H-Bond Reported H35    ..  CG2      =       3.01 Ang.  
PLAT480_ALERT_4_C Long H...A H-Bond Reported H42    ..  CG1      =       3.14 Ang.  
PLAT481_ALERT_4_C Long D...A H-Bond Reported C24    ..  CG4      =       3.93 Ang.  
PLAT481_ALERT_4_C Long D...A H-Bond Reported C42    ..  CG1      =       3.95 Ang.  

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

   4 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
   0 ALERT type 3 Indicator that the structure quality may be low
   7 ALERT type 4 Improvement, methodology, query or suggestion

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