[Open access]

[Contents scheme]

Acta Cryst. (2013). E69, o981-o982
[ doi:10.1107/S1600536813014025 ]

4-Cyano-1-methylpyridinium nitrate

C. A. McCormick, V. D. Nguyen, H. E. Renfro, L. V. Koplitz and J. T. Mague


Key indicators

checkCIF/PLATON results

No syntax errors found




Alert level C PLAT480_ALERT_4_C Long H...A H-Bond Reported H1A .. O1 .. 2.71 Ang. PLAT480_ALERT_4_C Long H...A H-Bond Reported H1A .. O1 .. 2.71 Ang. PLAT480_ALERT_4_C Long H...A H-Bond Reported H2 .. O1 .. 2.65 Ang.
Alert level G PLAT005_ALERT_5_G No _iucr_refine_instructions_details in the CIF ? PLAT371_ALERT_2_G Long C(sp2)-C(sp1) Bond C4 - C5 ... 1.44 Ang. PLAT764_ALERT_4_G Overcomplete CIF Bond List Detected (Rep/Expd) . 1.22 Ratio PLAT912_ALERT_4_G Missing # of FCF Reflections Above STh/L= 0.600 8 PLAT961_ALERT_5_G Dataset Contains no Negative Intensities ....... !
0 ALERT level A = Most likely a serious problem - resolve or explain 0 ALERT level B = A potentially serious problem, consider carefully 3 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 0 ALERT type 1 CIF construction/syntax error, inconsistent or missing data 1 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 5 ALERT type 4 Improvement, methodology, query or suggestion 2 ALERT type 5 Informative message, check

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