Crystal structure of methyl 4-(4-bromophenyl)-2,7,7-trimethyl-5-oxo-1,4,5,6,7,8-hexahydroquinoline-3-carboxylate, C20H22BrNO3
Ren, Tao-Wen; Xiao, Xing-Peng; Li, Bai-Yu; Zhao, Yu-Mei; Peng, Shao-Peng; Zeitschrift für Kristallographie - New Crystal Structures 233 (2018) 863–864; doi:10.1515/ncrs-2018-0060

data_8106325
_publ_section_title
;
 Crystal structure of methyl
 4-(4-bromophenyl)-2,7,7-trimethyl-5-oxo-1,4,5,6,7,8-hexahydroquinoline-3-carboxylate,
 C20H22BrNO3
;
_journal_issue                   5
_journal_name_full
'Zeitschrift f\"ur Kristallographie - New Crystal Structures'
_journal_page_first              863
_journal_page_last               864
_journal_paper_doi               10.1515/ncrs-2018-0060
_journal_volume                  233
_journal_year                    2018
_chemical_formula_moiety         'C20 H22 Br N O3'
_chemical_formula_sum            'C20 H22 Br N O3'
_chemical_formula_weight         404.29
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_cell_angle_alpha                90
_cell_angle_beta                 111.355(5)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   9.597(2)
_cell_length_b                   18.236(5)
_cell_length_c                   11.640(3)
_cell_measurement_reflns_used    1600
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      18.71
_cell_measurement_theta_min      2.19
_cell_volume                     1897.3(8)
_computing_cell_refinement       'SAINT v7.60A (Bruker, 2009)'
_computing_data_collection       'Bruker Smart APEX2 (Bruker, 2008)'
_computing_data_reduction        'SAINT v7.60A (Bruker, 2009)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2015)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      296.15
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0564
_diffrn_reflns_av_unetI/netI     0.0710
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -5
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            9434
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.999
_diffrn_reflns_theta_full        24.993
_diffrn_reflns_theta_max         24.993
_diffrn_reflns_theta_min         2.185
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    2.184
_exptl_absorpt_correction_T_max  0.7077
_exptl_absorpt_correction_T_min  0.6005
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            yellow
_exptl_crystal_colour_primary    yellow
_exptl_crystal_density_diffrn    1.415
_exptl_crystal_density_meas      .
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             832
_exptl_crystal_size_max          0.26
_exptl_crystal_size_mid          0.21
_exptl_crystal_size_min          0.17
_refine_diff_density_max         0.530
_refine_diff_density_min         -0.686
_refine_diff_density_rms         0.060
_refine_ls_extinction_coef       .
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.991
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     226
_refine_ls_number_reflns         3337
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.991
_refine_ls_R_factor_all          0.1073
_refine_ls_R_factor_gt           0.0497
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0546P)^2^+0.4502P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1098
_refine_ls_wR_factor_ref         0.1240
_reflns_Friedel_coverage         0.000
_reflns_Friedel_fraction_full    .
_reflns_Friedel_fraction_max     .
_reflns_number_gt                1913
_reflns_number_total             3337
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            suppl_ncrs-2018-0060_suppl.cif
_cod_data_source_block           a
_cod_database_code               8106325
_shelx_estimated_absorpt_t_max   0.708
_shelx_estimated_absorpt_t_min   0.600
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups, All N(H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Ternary CH refined with riding coordinates:
 C8(H8)
2.b Secondary CH2 refined with riding coordinates:
 C9(H9A,H9B), C13(H13A,H13B)
2.c Me refined with riding coordinates:
 C1(H1A,H1B,H1C), C5(H5A,H5B,H5C), C11(H11A,H11B,H11C), C12(H12A,H12B,H12C)
2.d Aromatic/amide H refined with riding coordinates:
 N1(H1), C16(H16), C17(H17), C19(H19), C20(H20)
;
_shelx_res_checksum              68364
_shelx_hkl_checksum              33121
_olex2_submission_special_instructions 'No special instructions were received'
_publcif_funding_html
;
;