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_7247442
_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      orthorhombic
_space_group_IT_number           19
_space_group_name_Hall           'P 2ac 2ab'
_space_group_name_H-M_alt        'P 21 21 21'
_atom_sites_solution_hydrogens   mixed
_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                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   7.0782(7)
_cell_length_b                   12.8899(12)
_cell_length_c                   17.2503(15)
_cell_measurement_reflns_used    4636
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      27.5
_cell_measurement_theta_min      2.0
_cell_volume                     1573.9(3)
_computing_structure_refinement  'SHELXL-2018/3 (Sheldrick, 2018)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Rigaku Mercury375R (2x2 bin mode)'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0716
_diffrn_reflns_av_unetI/netI     0.0401
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            16778
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.999
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.465
_diffrn_reflns_theta_min         2.842
_exptl_absorpt_coefficient_mu    0.417
_exptl_crystal_density_diffrn    1.448
_exptl_crystal_description       Plate
_exptl_crystal_F_000             704
_exptl_crystal_size_max          0.300
_exptl_crystal_size_mid          0.150
_exptl_crystal_size_min          0.120
_refine_diff_density_max         0.173
_refine_diff_density_min         -0.233
_refine_diff_density_rms         0.041
_refine_ls_abs_structure_details
;
 Flack x determined using 1390 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.01(4)
_refine_ls_extinction_coef       0.018(2)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2018/3 (Sheldrick 2018)'
_refine_ls_goodness_of_fit_ref   1.079
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     213
_refine_ls_number_reflns         3605
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.079
_refine_ls_R_factor_all          0.0359
_refine_ls_R_factor_gt           0.0339
_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^)+(0.0394P)^2^+0.2115P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0878
_refine_ls_wR_factor_ref         0.0896
_reflns_Friedel_coverage         0.735
_reflns_Friedel_fraction_full    1.000
_reflns_Friedel_fraction_max     1.000
_reflns_number_gt                3451
_reflns_number_total             3605
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d3ce00672g1.cif
_cod_data_source_block           datam
_cod_depositor_comments
'Adding full bibliography for 7247442--7247454.cif.'
_cod_database_code               7247442
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_min   0.885
_shelx_estimated_absorpt_t_max   0.952
_shelx_res_checksum              26928