Small cavitand macrocycles from direct C-C coupling of <i>s</i>-aryl tetrazine units.
Mboyi, Clève D; Sabbadin, Henri; Penouilh, Marie-José; Bonnin, Quentin; Amardeil, Régine; Cattey, Hélène; Fournier, Sophie; Devillers, Charles H.; Roger, Julien; Hierso, Jean-Cyrille; Chemical communications (Cambridge, England) 62 (2026) 6987–6991; doi:10.1039/d6cc00124f

data_7135592
_publ_section_title
;
 Small cavitand macrocycles from direct C-C coupling of <i>s</i>-aryl
 tetrazine units.
;
_journal_issue                   26
_journal_name_full               'Chemical communications (Cambridge, England)'
_journal_page_first              6987
_journal_page_last               6991
_journal_paper_doi               10.1039/d6cc00124f
_journal_volume                  62
_journal_year                    2026
_chemical_formula_moiety         'C56 H32 N16, 2(C H2 Cl2)'
_chemical_formula_sum            'C58 H36 Cl4 N16'
_chemical_formula_weight         1098.83
_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'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_update_record
;
2025-11-07 deposited with the CCDC.	2026-03-09 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 101.219(3)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   12.5323(12)
_cell_length_b                   26.102(3)
_cell_length_c                   15.6284(15)
_cell_measurement_reflns_used    5142
_cell_measurement_temperature    115
_cell_measurement_theta_max      22.188
_cell_measurement_theta_min      2.692
_cell_volume                     5014.6(9)
_computing_cell_refinement       'SAINT V8.40B (Bruker, 2016)'
_computing_data_reduction        'SAINT V8.40B (Bruker, 2016)'
_computing_molecular_graphics    'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_structure_refinement  'SHELXL 2019/3 (Sheldrick, 2015)'
_computing_structure_solution    'SHELXT  (Sheldrick, 2015)'
_diffrn_ambient_temperature      115
_diffrn_detector                 'CCD Plate'
_diffrn_detector_area_resol_mean '512 x 512'
_diffrn_detector_type            APEX2
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device       '\k-geometry diffractometer'
_diffrn_measurement_device_type  'Bruker Kappa Apex II'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_collimation    '0.6 mm'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_radiation_xray_symbol    K-L~3~
_diffrn_reflns_av_R_equivalents  0.0936
_diffrn_reflns_av_unetI/netI     0.0586
_diffrn_reflns_Laue_measured_fraction_full 0.997
_diffrn_reflns_Laue_measured_fraction_max 0.997
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       31
_diffrn_reflns_limit_k_min       -31
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            74552
_diffrn_reflns_point_group_measured_fraction_full 0.997
_diffrn_reflns_point_group_measured_fraction_max 0.997
_diffrn_reflns_theta_full        25.077
_diffrn_reflns_theta_max         25.077
_diffrn_reflns_theta_min         2.445
_diffrn_source                   'X-ray tube'
_diffrn_source_current           5.0
_diffrn_source_power             0.1
_diffrn_source_target            Mo
_diffrn_source_type              'Siemens KFF Mo 2K-180'
_diffrn_source_voltage           20.0
_exptl_absorpt_coefficient_mu    0.296
_exptl_absorpt_correction_T_max  0.7452
_exptl_absorpt_correction_T_min  0.7105
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2016/2 (Bruker,2016/2) was used for absorption correction.
wR2(int) was 0.0627 before and 0.0581 after correction.
The Ratio of minimum to maximum transmission is 0.9534.
The \l/2 correction factor is Not present.
;
_exptl_crystal_colour            'clear light red'
_exptl_crystal_colour_lustre     clear
_exptl_crystal_colour_modifier   light
_exptl_crystal_colour_primary    red
_exptl_crystal_density_diffrn    1.455
_exptl_crystal_description       prism
_exptl_crystal_F_000             2256
_exptl_crystal_recrystallization_method
'The material was recrystallised from a mixture of dichloromethane and pentane  by slow evaporation'
_exptl_crystal_size_max          0.2
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.1
_refine_diff_density_max         0.427
_refine_diff_density_min         -0.483
_refine_diff_density_rms         0.096
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.171
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     708
_refine_ls_number_reflns         8869
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.171
_refine_ls_R_factor_all          0.1226
_refine_ls_R_factor_gt           0.0749
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+20.8087P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1225
_refine_ls_wR_factor_ref         0.1460
_reflns_Friedel_coverage         0.000
_reflns_number_gt                6248
_reflns_number_total             8869
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d6cc00124f2.cif
_cod_data_source_block           Compound_8a
_cod_depositor_comments
'Adding full bibliography for 7135589--7135593.cif.'
_cod_original_cell_volume        5014.6(8)
_cod_database_code               7135592
_shelx_shelxl_version_number     2019/3
_shelx_estimated_absorpt_t_max   0.971
_shelx_estimated_absorpt_t_min   0.943
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups, All C(H,H,H,H) groups
2. Restrained distances
 C58-Cl3A \\sim C58-Cl3
 with sigma of 0.02
3. Others
 Sof(H58C)=Sof(H58D)=1-FVAR(1)
 Sof(H58A)=Sof(H58B)=FVAR(1)
 Fixed Sof: Cl3A(0.11) Cl3(0.89)
4.a Secondary CH2 refined with riding coordinates:
 C58(H58A,H58B), C58(H58C,H58D), C57(H57A,H57B)
4.b Aromatic/amide H refined with riding coordinates:
 C3(H3), C4(H4), C5(H5), C6(H6), C9(H9), C10(H10), C11(H11), C12(H12),
 C17(H17), C18(H18), C19(H19), C20(H20), C23(H23), C24(H24), C25(H25), C26(H26),
  C31(H31), C32(H32), C33(H33), C34(H34), C37(H37), C38(H38), C39(H39),
 C40(H40), C45(H45), C46(H46), C47(H47), C48(H48), C51(H51), C52(H52), C53(H53),
  C54(H54)
;
_shelx_res_checksum              35262
_shelx_hkl_checksum              15403
_olex2_diffrn_ambient_temperature_device 'Oxford Cryosystems'
_olex2_exptl_crystal_mounting_method
'The crystal was mounted on a mylar loop with oil'
_olex2_submission_special_instructions 'No special instructions were received'