Acta Cryst. (2006). E62, i238-i240  [ doi:10.1107/S160053680604462X ]

Ag₃Nb(NbO)₂O₄(AsO₄)₂

R. Ben Amor and M. F. Zid

Online 8 novembre 2006

Key indicators

• Single-crystal X-ray study
• T = 298 K
• Mean (As-O) = 0.005 Å
• R factor = 0.032
• wR factor = 0.086
• Data-to-parameter ratio = 10.6

checkCIF/PLATON results

No syntax errors found




Alert level C
PLAT041_ALERT_1_C Calc. and Rep. SumFormula Strings    Differ ....          ?
PLAT042_ALERT_1_C Calc. and Rep. MoietyFormula Strings Differ ....          ?
PLAT068_ALERT_1_C Reported F000 Differs from Calcd (or Missing)...          ?
PLAT152_ALERT_1_C Supplied and Calc Volume s.u. Inconsistent .....          ?
PLAT213_ALERT_2_C Atom Ag1     has ADP max/min Ratio .............       3.10 prolat
PLAT213_ALERT_2_C Atom Ag2     has ADP max/min Ratio .............       3.10 prolat
PLAT213_ALERT_2_C Atom Ag3     has ADP max/min Ratio .............       3.10 prolat
PLAT213_ALERT_2_C Atom Ag4     has ADP max/min Ratio .............       3.10 prolat
PLAT213_ALERT_2_C Atom Ag5     has ADP max/min Ratio .............       3.10 prolat
PLAT213_ALERT_2_C Atom Ag6     has ADP max/min Ratio .............       3.10 prolat
PLAT213_ALERT_2_C Atom Ag7     has ADP max/min Ratio .............       3.10 prolat
PLAT250_ALERT_2_C Large U3/U1 Ratio for Average U(i,j) Tensor ....       2.34       
PLAT301_ALERT_3_C Main Residue  Disorder .........................       9.00 Perc. 

   0 ALERT level A = In general: serious problem
   0 ALERT level B = Potentially serious problem
  13 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
   8 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
   0 ALERT type 5 Informative message, check

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