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_1574559
_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 H7 N O4'
_chemical_formula_sum            'C14 H11 N3 O4 Se'
_chemical_formula_weight         364.22
_space_group_crystal_system      monoclinic
_space_group_IT_number           11
_space_group_name_Hall           '-P 2yb'
_space_group_name_H-M_alt        'P 1 21/m 1'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     dual
_audit_creation_date             2023-05-07
_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                 102.207(4)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   6.8417(7)
_cell_length_b                   12.3348(11)
_cell_length_c                   8.5209(7)
_cell_measurement_reflns_used    5526
_cell_measurement_temperature    300.00
_cell_measurement_theta_max      72.602
_cell_measurement_theta_min      6.591
_cell_volume                     702.83(11)
_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  (Sheldrick, 2015)'
_diffrn_ambient_temperature      300.00
_diffrn_detector                 'CCD area detector'
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.990
_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           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_unetI/netI     0.0655
_diffrn_reflns_Laue_measured_fraction_full 0.993
_diffrn_reflns_Laue_measured_fraction_max 0.990
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -2
_diffrn_reflns_number            1459
_diffrn_reflns_point_group_measured_fraction_full 0.993
_diffrn_reflns_point_group_measured_fraction_max 0.990
_diffrn_reflns_theta_full        67.679
_diffrn_reflns_theta_max         72.785
_diffrn_reflns_theta_min         6.620
_diffrn_source                   'sealed X-ray tube'
_diffrn_source_current           1.0
_diffrn_source_power             0.05
_diffrn_source_target            Mo
_diffrn_source_voltage           50.0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    3.842
_exptl_absorpt_correction_T_max  0.7536
_exptl_absorpt_correction_T_min  0.3877
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2016/2 (Bruker,2016/2) was used for absorption correction.
wR2(int) was 0.1410 before and 0.0924 after correction.
The Ratio of minimum to maximum transmission is 0.5145.
The \l/2 correction factor is Not present.
;
_exptl_crystal_colour            yellow
_exptl_crystal_colour_primary    yellow
_exptl_crystal_density_diffrn    1.721
_exptl_crystal_description       block
_exptl_crystal_F_000             364
_exptl_crystal_size_max          0.09
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.07
_refine_diff_density_max         3.523
_refine_diff_density_min         -0.816
_refine_diff_density_rms         0.164
_refine_ls_extinction_coef       0.026(7)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2019/2 (Sheldrick 2019)'
_refine_ls_goodness_of_fit_ref   1.086
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     110
_refine_ls_number_reflns         1459
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.086
_refine_ls_R_factor_all          0.0897
_refine_ls_R_factor_gt           0.0821
_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^)+(0.1827P)^2^+0.1151P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2303
_refine_ls_wR_factor_ref         0.2443
_reflns_Friedel_coverage         0.000
_reflns_number_gt                1188
_reflns_number_total             1459
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d5ce00262a2.cif
_cod_data_source_block           8_tw
_cod_depositor_comments
'Adding full bibliography for 1574556--1574561.cif.'
_cod_database_code               1574559
_shelx_shelxl_version_number     2019/2
_shelx_estimated_absorpt_t_max   0.775
_shelx_estimated_absorpt_t_min   0.724
_olex2_refinement_description
;
1. Twinned data refinement
 Scales: 0.757(15)
 0.243(15)
2. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All N(H,H) groups
 At 1.5 times of:
  All O(H) groups
3. Others
 Fixed Sof: H2A(0.5) H2B(0.5)
4.a Rotating group:
 N2(H2A,H2B)
4.b Aromatic/amide H refined with riding coordinates:
 C6(H6), C7(H7), C2(H2), C3(H3)
4.c Idealised tetrahedral OH refined as rotating group:
 O1(H1)
;
_shelx_res_checksum              11639
_olex2_submission_special_instructions 'No special instructions were received'