[Open access]

[Contents scheme]

Acta Cryst. (2012). E68, o3220
[ doi:10.1107/S1600536812043474 ]

5,6-Dimethylpyrazine-2,3-dicarbonitrile

G. R. Bardajee, A. J. Lough and M. A. Winnik


Key indicators

checkCIF/PLATON results

No syntax errors found




Alert level C PLAT911_ALERT_3_C Missing # FCF Refl Between THmin & STh/L= 0.600 7
Alert level G PLAT005_ALERT_5_G No _iucr_refine_instructions_details in CIF .... ? PLAT371_ALERT_2_G Long C(sp2)-C(sp1) Bond C1A - C5A ... 1.45 Ang. PLAT371_ALERT_2_G Long C(sp2)-C(sp1) Bond C2A - C6A ... 1.45 Ang. PLAT371_ALERT_2_G Long C(sp2)-C(sp1) Bond C1B - C5B ... 1.44 Ang. PLAT371_ALERT_2_G Long C(sp2)-C(sp1) Bond C2B - C6B ... 1.44 Ang. PLAT720_ALERT_4_G Number of Unusual/Non-Standard Labels .......... 12 PLAT870_ALERT_4_G ALERTS Related to Twinning Effects Suppressed .. ! PLAT912_ALERT_4_G Missing # of FCF Reflections Above STh/L= 0.600 15 PLAT931_ALERT_5_G Check Twin Law ( 0 0 1)[ ] Estimated BASF 0.49
0 ALERT level A = Most likely a serious problem - resolve or explain 0 ALERT level B = A potentially serious problem, consider carefully 1 ALERT level C = Check. Ensure it is not caused by an omission or oversight 9 ALERT level G = General information/check it is not something unexpected 0 ALERT type 1 CIF construction/syntax error, inconsistent or missing data 4 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 3 ALERT type 4 Improvement, methodology, query or suggestion 2 ALERT type 5 Informative message, check

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