Acta Cryst. (2009). E65, i55  [ doi:10.1107/S1600536809021734 ]

Ni₂Si(P₂O₇)₂

Y. Toubi, R. Essehli, M. Dusek, K. Fejfarová and B. El Bali

Online 27 June 2009

Key indicators

• Single-crystal X-ray study
• T = 295 K
• Mean (P-O) = 0.002 Å
• R factor = 0.016
• wR factor = 0.045
• Data-to-parameter ratio = 10.4

checkCIF/PLATON results

No syntax errors found




Alert level B
PLAT395_ALERT_2_B Deviating  X-O-Y  Angle from 120 Deg for      O7     169.00 Deg. 

Alert level C
PLAT395_ALERT_2_C Deviating  X-O-Y  Angle from 120 Deg for      O2     140.70 Deg. 

Alert level G
PLAT804_ALERT_5_G ARU-Pack Problem in PLATON Analysis ............         19 Times

   0 ALERT level A = In general: serious problem
   1 ALERT level B = Potentially serious problem
   1 ALERT level C = Check and explain
   1 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
   0 ALERT type 3 Indicator that the structure quality may be low
   0 ALERT type 4 Improvement, methodology, query or suggestion
   1 ALERT type 5 Informative message, check

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