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Acta Cryst. (2013). E69, o1133-o1134  [ doi:10.1107/S1600536813016796 ]

Naphthalene-1,8-diamine-2-(pyrimidin-2-yl)-1H-perimidine (2/1)

M. E. Cucciolito, B. Panunzi, F. Ruffo and A. Tuzi

Key indicators

checkCIF/PLATON results

No syntax errors found

Alert level A TYPE102_ALERT_1_A _atom_site_fract_y is not of type numb.
Alert level C PLAT340_ALERT_3_C Low Bond Precision on C-C Bonds ............... 0.0046 Ang. PLAT420_ALERT_2_C D-H Without Acceptor N1B - H1E ... ? Check PLAT420_ALERT_2_C D-H Without Acceptor N2B - H2E ... ? Check PLAT420_ALERT_2_C D-H Without Acceptor N2B - H2F ... ? Check PLAT906_ALERT_3_C Large K value in the Analysis of Variance ...... 16.617 PLAT906_ALERT_3_C Large K value in the Analysis of Variance ...... 2.967 PLAT910_ALERT_3_C Missing # of FCF Reflections Below Th(Min) ..... 8 PLAT911_ALERT_3_C Missing # FCF Refl Between THmin & STh/L= 0.600 6
Alert level G PLAT005_ALERT_5_G No _iucr_refine_instructions_details in the CIF ? Do ! PLAT860_ALERT_3_G Note: Number of Least-Squares Restraints ....... 2
1 ALERT level A = Most likely a serious problem - resolve or explain 0 ALERT level B = A potentially serious problem, consider carefully 8 ALERT level C = Check. Ensure it is not caused by an omission or oversight 2 ALERT level G = General information/check it is not something unexpected 1 ALERT type 1 CIF construction/syntax error, inconsistent or missing data 3 ALERT type 2 Indicator that the structure model may be wrong or deficient 6 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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