Methyl 2,7,7-Trimethyl-4-(3-nitrophenyl)-5-oxo-1,4,5,6,7,8-hexahydroquinoline-3-carboxylate and 3-Acetyl-2,7,7-trimethyl-4-phenyl-1,4,5,6,7,8-hexahydro-5-quinolone
Morales, A. D.; García-Granda, S.; Navarro, M. S.; Diviú, A. M.; Pérez-Barquero, R. E.; Acta Crystallographica Section C 52 (1996) 2356–2359; doi:10.1107/S0108270196004611

data_2005407
_publ_section_title
;Methyl
 2,7,7-Trimethyl-4-(3-nitrophenyl)-5-oxo-1,4,5,6,7,8-hexahydroquinoline-3-carboxylate
 and 3-Acetyl-2,7,7-trimethyl-4-phenyl-1,4,5,6,7,8-hexahydro-5-quinolone
;
_journal_issue                   9
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              2356
_journal_page_last               2359
_journal_paper_doi               10.1107/S0108270196004611
_journal_volume                  52
_journal_year                    1996
_chemical_formula_moiety         'C20 H23 N O2'
_chemical_formula_structural     'C20 H23 N O2'
_chemical_formula_sum            'C20 H23 N O2'
_chemical_formula_weight         309.41
_chemical_name_systematic
;
3-Ethanoyl-2,7,7-trimethyl-4-phenyl-1,4,5,6,7,8-hexahydro-5-quinolone
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_audit_creation_method           SHELXL
_cell_angle_alpha                90.00
_cell_angle_beta                 106.68(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.046(5)
_cell_length_b                   12.7318(8)
_cell_length_c                   12.944(5)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      15
_cell_measurement_theta_min      5
_cell_volume                     1743.8(11)
_computing_cell_refinement       'CRYSDA DIRDIF (Beurskens et al., 1992)'
_computing_data_collection       'CAD-4 Software (Enraf-Nonius, 1994)'
_computing_data_reduction        'REFLEX (local program)'
_computing_molecular_graphics    'EUCLID (Spek, 1982)'
_computing_publication_material  SHELXL93
_computing_structure_refinement  'SHELXL93 (Sheldrick, 1993)'
_computing_structure_solution    'SHELXS86 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measurement_device       'Enraf-Nonius CAD-4'
_diffrn_measurement_method       \w-2\q
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1212
_diffrn_reflns_av_sigmaI/netI    0.3410
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            3191
_diffrn_reflns_theta_max         24.97
_diffrn_reflns_theta_min         2.14
_diffrn_standards_decay_%        3.1
_diffrn_standards_interval_count 200
_diffrn_standards_interval_time  60
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    0.071
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.184
_exptl_crystal_density_meas      ?
_exptl_crystal_description       prismatic
_exptl_crystal_F_000             664
_exptl_crystal_size_max          0.3
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.2
_refine_diff_density_max         0.204
_refine_diff_density_min         -0.225
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_all   0.962
_refine_ls_goodness_of_fit_obs   1.232
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     213
_refine_ls_number_reflns         3037
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.962
_refine_ls_restrained_S_obs      1.232
_refine_ls_R_factor_all          0.3249
_refine_ls_R_factor_obs          0.0591
_refine_ls_shift/esd_max         0.001
_refine_ls_shift/esd_mean        0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_scheme
;
calc w = 1/[\s^2^(F~o~^2^) + (0.0579P)^2^]
where P = (F~o~^2^ + 2F~c~^2^)/3
;
_refine_ls_wR_factor_all         0.1894
_refine_ls_wR_factor_obs         0.1172
_reflns_number_observed          859
_reflns_number_total             3037
_reflns_observed_criterion       >2sigma(I)
_cod_data_source_file            na1225.cif
_cod_data_source_block           II
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 

The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 

The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'none' was changed to '?' - the
value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
;
_cod_original_cell_volume        1743.7(10)
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               2005407