[Open access]

Acta Cryst. (2013). E69, i71
[ doi:10.1107/S1600536813026391 ]

Tetrayttrium difluoride disilicate orthosilicate, Y4F2[Si2O7][SiO4]

M. C. Schäfer, I. Hartenbach and T. Schleid


Key indicators

checkCIF/PLATON results

No syntax errors found




Alert level C RINTA01_ALERT_3_C The value of Rint is greater than 0.12 Rint given 0.120 PLAT224_ALERT_1_C Ueq(Rep) and Ueq(Calc) differ by -0.003 Ang   2 . O1 PLAT906_ALERT_3_C Large K value in the Analysis of Variance ...... 3.462 Check PLAT971_ALERT_2_C Large Calcd. Non-Metal Positive Residual Density 1.75 eA-3 PLAT972_ALERT_2_C Large Calcd. Non-Metal Negative Residual Density -1.71 eA-3 PLAT972_ALERT_2_C Large Calcd. Non-Metal Negative Residual Density -1.70 eA-3 PLAT973_ALERT_2_C Large Calcd. Positive Residual Density on Y2 1.23 eA-3 PLAT975_ALERT_2_C Positive Residual Density at 0.97A from O7 . 1.24 eA-3 PLAT975_ALERT_2_C Positive Residual Density at 0.99A from O9 . 1.23 eA-3 PLAT975_ALERT_2_C Positive Residual Density at 1.03A from O8 . 1.12 eA-3
Alert level G PLAT004_ALERT_5_G Polymeric Structure Found with Dimension ....... 3 Info PLAT005_ALERT_5_G No _iucr_refine_instructions_details in the CIF Please Do ! PLAT199_ALERT_1_G Reported _cell_measurement_temperature ..... (K) 293 Check PLAT200_ALERT_1_G Reported _diffrn_ambient_temperature ..... (K) 293 Check PLAT912_ALERT_4_G Missing # of FCF Reflections Above STh/L= 0.600 18
0 ALERT level A = Most likely a serious problem - resolve or explain 0 ALERT level B = A potentially serious problem, consider carefully 10 ALERT level C = Check. Ensure it is not caused by an omission or oversight 5 ALERT level G = General information/check it is not something unexpected 3 ALERT type 1 CIF construction/syntax error, inconsistent or missing data 7 ALERT type 2 Indicator that the structure model may be wrong or deficient 2 ALERT type 3 Indicator that the structure quality may be low 1 ALERT type 4 Improvement, methodology, query or suggestion 2 ALERT type 5 Informative message, check

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