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Acta Cryst. (2009). E65, o2445  [ doi:10.1107/S160053680903579X ]

3,3-Dimethyl-cis-2,6-di-p-tolylpiperidin-4-one

P. Gayathri, S. S. Ilango, S. Ponnuswamy, A. Thiruvalluvar and R. J. Butcher

Online 12 September 2009


Key indicators

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Alert level C PLAT029_ALERT_3_C _diffrn_measured_fraction_theta_full Low ....... 0.98
Alert level G REFLT03_ALERT_4_G Please check that the estimate of the number of Friedel pairs is correct. If it is not, please give the correct count in the _publ_section_exptl_refinement section of the submitted CIF. From the CIF: _diffrn_reflns_theta_max 74.08 From the CIF: _reflns_number_total 1914 Count of symmetry unique reflns 1958 Completeness (_total/calc) 97.75% TEST3: Check Friedels for noncentro structure Estimate of Friedel pairs measured 0 Fraction of Friedel pairs measured 0.000 Are heavy atom types Z>Si present no PLAT792_ALERT_1_G The Model has Chirality at C2 (Verify) .... R PLAT792_ALERT_1_G The Model has Chirality at C6 (Verify) .... R
0 ALERT level A = In general: serious problem 0 ALERT level B = Potentially serious problem 1 ALERT level C = Check and explain 3 ALERT level G = General alerts; check 2 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 1 ALERT type 3 Indicator that the structure quality may be low 1 ALERT type 4 Improvement, methodology, query or suggestion 0 ALERT type 5 Informative message, check

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