[Open access]

[Contents scheme]

Acta Cryst. (2013). E69, o408-o409
[ doi:10.1107/S1600536813004017 ]

4-Hydroxy-1,1'-bis[(S)-1-phenylethyl]-5,5',6,6'-tetrahydro-3,4'-bipyridine-2,2'(1H,1'H)-dione

N. Romero, D. Gnecco, J. Terán and S. Bernès


Key indicators

checkCIF/PLATON results

No syntax errors found




Alert level C PLAT089_ALERT_3_C Poor Data / Parameter Ratio (Zmax .LT. 18) ..... 7.87 PLAT340_ALERT_3_C Low Bond Precision on C-C Bonds ............... 0.0046 Ang PLAT910_ALERT_3_C Missing # of FCF Reflections Below Th(Min) ..... 1 PLAT911_ALERT_3_C Missing # FCF Refl Between THmin & STh/L= 0.595 9
Alert level G PLAT005_ALERT_5_G No _iucr_refine_instructions_details in the CIF ? PLAT720_ALERT_4_G Number of Unusual/Non-Standard Labels .......... 9 PLAT791_ALERT_4_G Note: The Model has Chirality at C7 (Verify) S PLAT791_ALERT_4_G Note: The Model has Chirality at C7' (Verify) S PLAT909_ALERT_3_G Percentage of Observed Data at Theta(Max) still 54 Perc.
0 ALERT level A = Most likely a serious problem - resolve or explain 0 ALERT level B = A potentially serious problem, consider carefully 4 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 0 ALERT type 2 Indicator that the structure model may be wrong or deficient 5 ALERT type 3 Indicator that the structure quality may be low 3 ALERT type 4 Improvement, methodology, query or suggestion 1 ALERT type 5 Informative message, check

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