Dichlorosubstitution as a steering tool in hydrogen bonded cocrystals: the nature of rigid and flexible coformers in crystal structures
Dubey, Ritesh; Singh, Sandeep; CrystEngComm 25 (2023) 5697–5705; doi:10.1039/D3CE00672G

data_7247451
_publ_section_title
;
 Dichlorosubstitution as a steering tool in hydrogen bonded cocrystals:
 the nature of rigid and flexible coformers in crystal structures
;
_journal_issue                   40
_journal_name_full               CrystEngComm
_journal_page_first              5697
_journal_page_last               5705
_journal_paper_doi               10.1039/D3CE00672G
_journal_volume                  25
_journal_year                    2023
_chemical_formula_sum            'C18 H12 Cl2 N2 O'
_chemical_formula_weight         343.20
_space_group_crystal_system      monoclinic
_space_group_IT_number           4
_space_group_name_Hall           'P 2yb'
_space_group_name_H-M_alt        'P 1 21 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2018/3
_audit_update_record
;
2023-06-27 deposited with the CCDC.	2023-08-28 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 97.752(7)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   3.8427(6)
_cell_length_b                   17.047(3)
_cell_length_c                   11.6457(18)
_cell_measurement_reflns_used    7142
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      27.5
_cell_measurement_theta_min      3.5
_cell_volume                     755.9(2)
_computing_structure_refinement  'SHELXL-2018/3 (Sheldrick, 2018)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Rigaku Mercury375R (2x2 bin mode)'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0427
_diffrn_reflns_av_unetI/netI     0.0577
_diffrn_reflns_Laue_measured_fraction_full 0.997
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       4
_diffrn_reflns_limit_h_min       -4
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            7797
_diffrn_reflns_point_group_measured_fraction_full 0.997
_diffrn_reflns_point_group_measured_fraction_max 0.998
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.476
_diffrn_reflns_theta_min         3.531
_exptl_absorpt_coefficient_mu    0.435
_exptl_crystal_density_diffrn    1.508
_exptl_crystal_description       Plate
_exptl_crystal_F_000             352
_exptl_crystal_size_max          0.300
_exptl_crystal_size_mid          0.200
_exptl_crystal_size_min          0.100
_refine_diff_density_max         0.292
_refine_diff_density_min         -0.233
_refine_diff_density_rms         0.051
_refine_ls_abs_structure_details
;
 Flack x determined using 1185 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.07(4)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.030
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     210
_refine_ls_number_reflns         3440
_refine_ls_number_restraints     322
_refine_ls_restrained_S_all      0.984
_refine_ls_R_factor_all          0.0535
_refine_ls_R_factor_gt           0.0418
_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^)+(0.0240P)^2^+0.1881P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0736
_refine_ls_wR_factor_ref         0.0769
_reflns_Friedel_coverage         0.937
_reflns_Friedel_fraction_full    0.998
_reflns_Friedel_fraction_max     0.998
_reflns_number_gt                2941
_reflns_number_total             3440
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d3ce00672g1.cif
_cod_data_source_block           datam_CCDC9
_cod_depositor_comments
'Adding full bibliography for 7247442--7247454.cif.'
_cod_original_sg_symbol_H-M      'P 21'
_cod_database_code               7247451
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_min   0.881
_shelx_estimated_absorpt_t_max   0.958
_shelx_res_checksum              74925