Influence of <i>ortho</i>-substituent on the molecular and crystal structures of 2-(<i>N</i>-arylimino)coumarin-3-carboxamide: isotypic and polymorphic structures
Shishkina, Svitlana V.; Konovalova, Irina S.; Kovalenko, Sergiy M.; Trostianko, Pavlo V.; Geleverya, Anna O.; Nikolayeva, Lyudmila L.; Bunyatyan, Natalya D.; Acta Crystallographica Section B 75 (2019) –; doi:10.1107/S2052520619010485

data_2108496
_publ_section_title
;
 Influence of <i>ortho</i>-substituent on the molecular and crystal
 structures of 2-(<i>N</i>-arylimino)coumarin-3-carboxamide: isotypic and
 polymorphic structures
;
_journal_issue                   5
_journal_name_full               'Acta Crystallographica Section B'
_journal_page_first
;
;
_journal_paper_doi               10.1107/S2052520619010485
_journal_volume                  75
_journal_year                    2019
_chemical_formula_sum            'C16 H11 Br N2 O2'
_chemical_formula_weight         343.18
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2016/6
_cell_angle_alpha                90
_cell_angle_beta                 96.919(7)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   6.9397(5)
_cell_length_b                   10.2611(8)
_cell_length_c                   20.7644(12)
_cell_measurement_reflns_used    1060
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      18.111
_cell_measurement_theta_min      3.348
_cell_volume                     1467.84(18)
_computing_structure_refinement  'SHELXL-2016/6 (Sheldrick, 2016)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean 16.1827
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Xcalibur, Sapphire3'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0911
_diffrn_reflns_av_unetI/netI     0.0752
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            10135
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.999
_diffrn_reflns_theta_full        24.999
_diffrn_reflns_theta_max         24.999
_diffrn_reflns_theta_min         2.801
_diffrn_source                   'Enhance (Mo) X-ray Source'
_exptl_absorpt_coefficient_mu    2.805
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.21684
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.39.46 (Rigaku Oxford Diffraction, 2018)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.553
_exptl_crystal_description       block
_exptl_crystal_F_000             688
_exptl_crystal_size_max          0.200
_exptl_crystal_size_mid          0.100
_exptl_crystal_size_min          0.100
_refine_diff_density_max         1.848
_refine_diff_density_min         -0.674
_refine_diff_density_rms         0.180
_refine_ls_extinction_coef       0.003(3)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2016/6 (Sheldrick 2016)'
_refine_ls_goodness_of_fit_ref   1.057
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     191
_refine_ls_number_reflns         2581
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.057
_refine_ls_R_factor_all          0.1517
_refine_ls_R_factor_gt           0.0998
_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^)+(0.1875P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2770
_refine_ls_wR_factor_ref         0.3255
_reflns_Friedel_coverage         0.000
_reflns_number_gt                1405
_reflns_number_total             2581
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            xk5058sup1.cif
_cod_data_source_block           1br_2
_cod_database_code               2108496
_cod_database_fobs_code          2108496
_shelx_shelxl_version_number     2016/6
_shelx_estimated_absorpt_t_min   0.604
_shelx_estimated_absorpt_t_max   0.767
_shelx_res_checksum              31422
_shelx_hkl_checksum              13604