Strong supramolecular synthons assembled by hydrogen bonds and chalcogen bonds
Zhang, Yu; Sun, Xiaotian; Wang, Weizhou; CrystEngComm 27 (2025) 3439–3443; doi:10.1039/D5CE00262A

data_1574558
_publ_section_title
;
 Strong supramolecular synthons assembled by hydrogen bonds and chalcogen
 bonds
;
_journal_issue                   21
_journal_name_full               CrystEngComm
_journal_page_first              3439
_journal_page_last               3443
_journal_paper_doi               10.1039/D5CE00262A
_journal_volume                  27
_journal_year                    2025
_chemical_formula_moiety         'C6 H4 N2 Se, C8 H5 Br O4'
_chemical_formula_sum            'C14 H9 Br N2 O4 Se'
_chemical_formula_weight         428.10
_space_group_crystal_system      monoclinic
_space_group_IT_number           13
_space_group_name_Hall           '-P 2yc'
_space_group_name_H-M_alt        'P 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_creation_date             2023-05-06
_audit_creation_method
;
Olex2 1.5
(compiled 2022.04.07 svn.rca3783a0 for OlexSys, GUI svn.r6498)
;
_audit_update_record
;
2025-03-09 deposited with the CCDC.	2025-05-01 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 99.177(9)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   11.154(3)
_cell_length_b                   9.184(2)
_cell_length_c                   7.3865(19)
_cell_measurement_reflns_used    2636
_cell_measurement_temperature    300.00
_cell_measurement_theta_max      24.355
_cell_measurement_theta_min      3.095
_cell_volume                     747.0(3)
_computing_cell_refinement       'SAINT v8.37A (Bruker, 2015)'
_computing_data_collection       'Bruker D8 Venture diffractrometer'
_computing_data_reduction        'SAINT v8.37A (Bruker, 2015)'
_computing_molecular_graphics    'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_structure_refinement  'SHELXL 2019/2 (Sheldrick, 2015)'
_computing_structure_solution    'SHELXT 2018/2 (Sheldrick, 2018)'
_diffrn_ambient_temperature      300.00
_diffrn_detector                 'CCD area detector'
_diffrn_detector_area_resol_mean 7.9
_diffrn_detector_type            'CCD area detector'
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.988
_diffrn_measurement_device       'three-circle diffractometer'
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1080
_diffrn_reflns_av_unetI/netI     0.0643
_diffrn_reflns_Laue_measured_fraction_full 0.996
_diffrn_reflns_Laue_measured_fraction_max 0.988
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            15360
_diffrn_reflns_point_group_measured_fraction_full 0.996
_diffrn_reflns_point_group_measured_fraction_max 0.988
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.828
_diffrn_reflns_theta_min         2.888
_diffrn_source                   'sealed X-ray tube'
_diffrn_source_current           30.0
_diffrn_source_power             1.5
_diffrn_source_target            Mo
_diffrn_source_type              'Incoatec I\ms'
_diffrn_source_voltage           50.0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    5.207
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.3430
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2016/2 (Bruker,2016/2) was used for absorption correction.
wR2(int) was 0.1453 before and 0.0876 after correction.
The Ratio of minimum to maximum transmission is 0.4600.
The \l/2 correction factor is Not present.
;
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.903
_exptl_crystal_description       block
_exptl_crystal_F_000             416
_exptl_crystal_size_max          0.16
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.13
_refine_diff_density_max         0.587
_refine_diff_density_min         -0.652
_refine_diff_density_rms         0.082
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.027
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     103
_refine_ls_number_reflns         1758
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.027
_refine_ls_R_factor_all          0.0860
_refine_ls_R_factor_gt           0.0515
_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^)+(0.0101P)^2^+1.3734P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1006
_refine_ls_wR_factor_ref         0.1144
_reflns_Friedel_coverage         0.000
_reflns_number_gt                1231
_reflns_number_total             1758
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d5ce00262a2.cif
_cod_data_source_block           7
_cod_depositor_comments
'Adding full bibliography for 1574556--1574561.cif.'
_cod_original_cell_volume        746.9(3)
_cod_database_code               1574558
_shelx_shelxl_version_number     2019/2
_shelx_estimated_absorpt_t_max   0.551
_shelx_estimated_absorpt_t_min   0.490
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
 At 1.5 times of:
  All O(H) groups
2.a Aromatic/amide H refined with riding coordinates:
 C8(H8), C6(H6), C2(H2A), C3(H3)
2.b Idealised tetrahedral OH refined as rotating group:
 O2(H2)
;
_shelx_res_checksum              61902
_olex2_submission_special_instructions 'No special instructions were received'