Carbon-iodine atropisomerism on triazole and triazolium frameworks: a breathing axle with divergent adaptivity.
Nambu, Ryoga; Kikuchi, Jun; Matsumoto, Arimasa; Yoshikai, Naohiko; Chemical science 17 (2026) 6109–6115; doi:10.1039/d5sc09936f

data_1576968
_publ_section_title
;
 Carbon-iodine atropisomerism on triazole and triazolium frameworks: a
 breathing axle with divergent adaptivity.
;
_journal_issue                   12
_journal_name_full               'Chemical science'
_journal_page_first              6109
_journal_page_last               6115
_journal_paper_doi               10.1039/d5sc09936f
_journal_volume                  17
_journal_year                    2026
_chemical_formula_moiety         '2(C31 H34 F6 I N3 O), C H2 Cl2'
_chemical_formula_sum            'C63 H70 Cl2 F12 I2 N6 O2'
_chemical_formula_weight         1495.95
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_block_doi                 10.5517/ccdc.csd.cc2q3mcv
_audit_creation_method           SHELXL-2019/3
_audit_update_record
;
2025-11-26 deposited with the CCDC.	2026-01-27 downloaded from the CCDC.
;
_cell_angle_alpha                63.4079(12)
_cell_angle_beta                 75.5952(10)
_cell_angle_gamma                76.6091(11)
_cell_formula_units_Z            2
_cell_length_a                   13.07355(16)
_cell_length_b                   16.1140(2)
_cell_length_c                   16.95238(19)
_cell_measurement_reflns_used    68395
_cell_measurement_temperature    153
_cell_measurement_theta_max      36.3650
_cell_measurement_theta_min      2.0770
_cell_volume                     3063.18(7)
_computing_cell_refinement       'CrysAlisPro 1.171.39.46 (Rigaku OD, 2018)'
_computing_data_collection       'CrystalClear-SM 1.3.6 SP3 r6 (Rigaku 2006)'
_computing_data_reduction        'CrysAlisPro 1.171.39.46 (Rigaku OD, 2018)'
_computing_molecular_graphics    'shelXle (C.B. Huebschle, rev 1416)'
_computing_publication_material  'enCIFer 2020.3.0 (Allen et al., 2004)'
_computing_structure_refinement  'SHELXL-2019/3 (Sheldrick, 2019)'
_computing_structure_solution    'SHELXS-2018/3 (Sheldrick, 2018)'
_diffrn_ambient_temperature      153(2)
_diffrn_detector_area_resol_mean 10
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.945
_diffrn_measurement_device_type  'Rigaku Saturn'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0394
_diffrn_reflns_av_unetI/netI     0.0265
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.945
_diffrn_reflns_limit_h_max       21
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       26
_diffrn_reflns_limit_k_min       -26
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -28
_diffrn_reflns_number            106454
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.945
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         36.469
_diffrn_reflns_theta_min         2.306
_diffrn_source                   'fine-focus rotational anode'
_exptl_absorpt_coefficient_mu    1.200
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.34494
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.43.90 (Rigaku Oxford Diffraction, 2023)
Empirical absorption correction using spherical harmonics,
implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.622
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1508
_exptl_crystal_size_max          0.180
_exptl_crystal_size_mid          0.140
_exptl_crystal_size_min          0.090
_refine_diff_density_max         2.823
_refine_diff_density_min         -2.256
_refine_diff_density_rms         0.112
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.034
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     813
_refine_ls_number_reflns         28351
_refine_ls_number_restraints     47
_refine_ls_restrained_S_all      1.034
_refine_ls_R_factor_all          0.0444
_refine_ls_R_factor_gt           0.0392
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0673P)^2^+0.7153P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1055
_refine_ls_wR_factor_ref         0.1107
_reflns_Friedel_coverage         0.000
_reflns_number_gt                24673
_reflns_number_total             28351
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d5sc09936f2.cif
_cod_data_source_block           ny-adadbx-thf-hex-
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_atom_sites_solution_secondary' value 'diffmap' was
changed to 'difmap'.

Automatic conversion script
Id: cif_fix_values 8170 2020-07-09 18:12:32Z antanas 
;
_cod_original_cell_volume        3063.17(7)
_cod_database_code               1576968
_shelx_shelxl_version_number     2019/3
_shelx_estimated_absorpt_t_min   0.813
_shelx_estimated_absorpt_t_max   0.900
_shelx_res_checksum              41739