Acta Cryst. (2009). E65, i86  [ doi:10.1107/S1600536809046224 ]

Sodium scandium diphosphate, NaScP₂O₇, isotypic with -NaTi(III)P₂O₇

J. Cempírek, R. Skoda and Z. Zák

Online 7 November 2009

Key indicators

• Single-crystal X-ray study
• T = 293 K
• Mean (Sc-O) = 0.002 Å
• R factor = 0.025
• wR factor = 0.082
• Data-to-parameter ratio = 10.1

checkCIF/PLATON results

No syntax errors found




Alert level C
PLAT910_ALERT_3_C Missing # of FCF Reflections Below Th(Min) .....          3      

Alert level G
PLAT128_ALERT_4_G Non-standard setting of Space-group P21/c   ....      P21/n      
PLAT199_ALERT_1_G Check the Reported _cell_measurement_temperature        293 K    
PLAT200_ALERT_1_G Check the Reported   _diffrn_ambient_temperature        293 K    

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

   2 ALERT type 1 CIF construction/syntax error, inconsistent or missing data
   0 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
   1 ALERT type 4 Improvement, methodology, query or suggestion
   0 ALERT type 5 Informative message, check

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