Cocrystals of diastereoisomers of 1,4-dihydropyridine derivatives
Linden, Anthony; Gündüz, Miyase G.; Şimşek, Rahime; Şafak, Cihat; Acta Crystallographica Section C 62 (2006) o227–o230; doi:10.1107/S0108270106007530

data_2015279
_publ_section_title
;
 Cocrystals of diastereoisomers of 1,4-dihydropyridine derivatives
;
_journal_coeditor_code           SK3008
_journal_issue                   4
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              o227
_journal_page_last               o230
_journal_paper_doi               10.1107/S0108270106007530
_journal_volume                  62
_journal_year                    2006
_chemical_formula_iupac          'C19 H19 Cl2 N O3'
_chemical_formula_moiety         'C19 H19 Cl2 N O3'
_chemical_formula_sum            'C19 H19 Cl2 N O3'
_chemical_formula_weight         380.27
_chemical_melting_point          523
_chemical_name_systematic
;
(RR,SS)/(RS,SR)-methyl 4-(2,4-chlorophenyl)-2,7-dimethyl-
5-oxo-1,4,5,6,7,8-hexahydroquinoline-3-carboxylate
;
_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'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL97
_cell_angle_alpha                90.00
_cell_angle_beta                 105.4328(19)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.6670(3)
_cell_length_b                   13.7746(4)
_cell_length_c                   11.8897(4)
_cell_measurement_reflns_used    13345
_cell_measurement_temperature    160.0(10)
_cell_measurement_theta_max      25.0
_cell_measurement_theta_min      2.0
_cell_volume                     1841.88(10)
_computing_cell_refinement       'DENZO-SMN (Otwinowski & Minor, 1997)'
_computing_data_collection       'COLLECT (Nonius, 2000)'
_computing_data_reduction
'DENZO-SMN and SCALEPACK (Otwinowski & Minor, 1997)'
_computing_molecular_graphics    'ORTEPII (Johnson, 1976)'
_computing_publication_material  'SHELXL97 and PLATON (Spek, 2003)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR92 (Altomare <i>et al.</i>,  1994)'
_diffrn_ambient_temperature      160.0(10)
_diffrn_detector_area_resol_mean 9
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Nonius KappaCCD area-detector'
_diffrn_measurement_method       '\w scans with \k offsets'
_diffrn_radiation_monochromator  'horizontally mounted graphite crystal'
_diffrn_radiation_source         'Nonius FR590 sealed tube generator'
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0721
_diffrn_reflns_av_sigmaI/netI    0.0378
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            23780
_diffrn_reflns_theta_full        25.04
_diffrn_reflns_theta_max         25.04
_diffrn_reflns_theta_min         2.17
_diffrn_standards_decay_%        0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.369
_exptl_absorpt_correction_T_max  0.979
_exptl_absorpt_correction_T_min  0.871
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(Blessing, 1995)'
_exptl_crystal_colour            'pale yellow'
_exptl_crystal_density_diffrn    1.371
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       tablet
_exptl_crystal_F_000             792
_exptl_crystal_size_max          0.22
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.07
_refine_diff_density_max         0.712
_refine_diff_density_min         -0.301
_refine_ls_extinction_coef       0.011(2)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL97 (Sheldrick, 1997)'
_refine_ls_goodness_of_fit_ref   1.040
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     254
_refine_ls_number_reflns         3252
_refine_ls_number_restraints     31
_refine_ls_restrained_S_all      1.063
_refine_ls_R_factor_all          0.0706
_refine_ls_R_factor_gt           0.0487
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w = 1/[\s^2^(Fo^2^)+(0.073P)^2^+1.1256P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1229
_refine_ls_wR_factor_ref         0.1391
_reflns_number_gt                2469
_reflns_number_total             3252
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            sk3008.cif
_cod_data_source_block           I
_cod_depositor_comments
;
The following automatic conversions were performed:

'_atom_sites_solution_hydrogens' value 'geom and difmap' was changed
to 'mixed'.

Automatic conversion script
Id: cif_fix_values 6452 2018-10-05 10:23:21Z andrius 
;
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               2015279
_cod_database_fobs_code          2015279