Backbone-integrated triplet radicals in linear 2p-3d-4f heterometallic chains and magnetic hysteresis
Tsukii, Shota; Haga, Nagito; Takano, Rina; Ishida, Takayuki; Chemical Communications  (2026) –; doi:10.1039/D6CC01045H

data_7135633
_publ_section_title
;
 Backbone-integrated triplet radicals in linear 2p-3d-4f heterometallic
 chains and magnetic hysteresis.
;
_journal_issue                   28
_journal_name_full               'Chemical communications (Cambridge, England)'
_journal_page_first              7343
_journal_page_last               7347
_journal_paper_doi               10.1039/d6cc01045h
_journal_volume                  62
_journal_year                    2026
_chemical_formula_moiety         'C55 H47 Co F36 N4 O14 Tb'
_chemical_formula_sum            'C55 H47 Co F36 N4 O14 Tb'
_chemical_formula_weight         1889.81
_chemical_name_common            2TbCo
_chemical_name_systematic        '[Tb(hfac)3(5TFPBN)Co(hfac)2(5TFPBN)]n'
_space_group_crystal_system      monoclinic
_space_group_IT_number           15
_space_group_name_Hall           '-C 2yc'
_space_group_name_H-M_alt        'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_creation_date             2026-03-05
_audit_creation_method
;
Olex2 1.5-ac5-018
(compiled 2021.09.08 svn.r13c46975 for Rigaku Oxford Diffraction, GUI svn.r6396)
;
_audit_update_record
;
2026-03-05 deposited with the CCDC.	2026-03-16 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 95.715(3)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   32.1889(9)
_cell_length_b                   11.7558(4)
_cell_length_c                   20.7539(8)
_cell_measurement_reflns_used    8591
_cell_measurement_temperature    300.0(5)
_cell_measurement_theta_max      29.3080
_cell_measurement_theta_min      2.4500
_cell_volume                     7814.4(5)
_computing_cell_refinement       'CrysAlisPro 1.171.43.105a (Rigaku OD, 2024)'
_computing_data_collection
'CrysAlisPro system (CCD 42.72a 64-bit (release 07-10-2022))'
_computing_data_reduction        'CrysAlisPro 1.171.43.105a (Rigaku OD, 2024)'
_computing_molecular_graphics    'Olex2 1.5-ac5-018 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.5-ac5-018 (Dolomanov et al., 2009)'
_computing_structure_refinement  'SHELXL 2014/7 (Sheldrick, 2015)'
_computing_structure_solution    'SHELXT 2014/5 (Sheldrick, 2014)'
_diffrn_ambient_environment      air
_diffrn_ambient_temperature      300.0(5)
_diffrn_detector                 'Hybrid Pixel Array Detector'
_diffrn_detector_area_resol_mean 10.0000
_diffrn_detector_type            HyPix
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.810
_diffrn_measurement_details
;
List of Runs (angles in degrees, time in seconds):

  # Type    Start    End  Width  t~exp~   \w     \q     \k     \f   Frames
  1  \w      6.00  34.00   0.50   28.71    --    4.52 -99.00  60.00   56
  2  \w    -39.00  -5.00   0.50   28.71    --    4.52   0.00 -60.00   68
  3  \w    -15.00  33.00   0.50   28.71    --    4.52  77.00  90.00   96
  4  \w    -25.00  66.00   0.50   28.71    --   -5.30  77.00-120.00  182
;
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'XtaLAB Synergy R, DW system, HyPix'
_diffrn_measurement_method       '\w scans'
_diffrn_orient_matrix_type
'CrysAlisPro convention (1999,Acta A55,543-557)'
_diffrn_orient_matrix_UB_11      0.0048698000
_diffrn_orient_matrix_UB_12      -0.0583616000
_diffrn_orient_matrix_UB_13      -0.0037097000
_diffrn_orient_matrix_UB_21      0.0079007000
_diffrn_orient_matrix_UB_22      0.0123419000
_diffrn_orient_matrix_UB_23      -0.0299204000
_diffrn_orient_matrix_UB_31      0.0200966000
_diffrn_orient_matrix_UB_32      0.0092805000
_diffrn_orient_matrix_UB_33      0.0164477000
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0348
_diffrn_reflns_av_unetI/netI     0.0447
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.810
_diffrn_reflns_limit_h_max       41
_diffrn_reflns_limit_h_min       -44
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            30845
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.810
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         31.970
_diffrn_reflns_theta_min         2.122
_diffrn_source                   'Rotating-anode X-ray tube'
_diffrn_source_type              'Rigaku (Mo) X-ray Source'
_exptl_absorpt_coefficient_mu    1.252
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.705
_exptl_absorpt_correction_type   gaussian
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.43.105a (Rigaku Oxford Diffraction, 2024)
Numerical absorption correction based on gaussian integration over
a multifaceted crystal model
Empirical absorption correction using spherical harmonics,
implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            'clear dark brown'
_exptl_crystal_colour_lustre     clear
_exptl_crystal_colour_modifier   dark
_exptl_crystal_colour_primary    brown
_exptl_crystal_density_diffrn    1.606
_exptl_crystal_description       block
_exptl_crystal_F_000             3732
_exptl_crystal_preparation       'Magnetic properties'
_exptl_crystal_recrystallization_method
'Re-crystallisation from solvent: heptane-dichloromethane'
_exptl_crystal_size_max          0.24
_exptl_crystal_size_mid          0.09
_exptl_crystal_size_min          0.07
_refine_diff_density_max         0.653
_refine_diff_density_min         -0.295
_refine_diff_density_rms         0.063
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.018
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     593
_refine_ls_number_reflns         10980
_refine_ls_number_restraints     84
_refine_ls_restrained_S_all      1.042
_refine_ls_R_factor_all          0.0960
_refine_ls_R_factor_gt           0.0501
_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^)+(0.0507P)^2^+9.5187P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1075
_refine_ls_wR_factor_ref         0.1228
_reflns_Friedel_coverage         0.000
_reflns_number_gt                6853
_reflns_number_total             10980
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d6cc01045h2.cif
_cod_data_source_block           20260304_tbco5tfpbn_300k
_cod_depositor_comments
'Adding full bibliography for 7135632--7135638.cif.'
_cod_database_code               7135633
_shelx_shelxl_version_number     2014/7
_chemical_oxdiff_formula         'C55 H47 Co F36 N4 O14 Tb'
_shelx_estimated_absorpt_t_max   0.917
_shelx_estimated_absorpt_t_min   0.753
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2. Rigid bond restraints
 F16, F17, F18, F16A, F17A, F18A, C24, C24, C24, C24, C24, C24
 with sigma for 1-2 distances of 0.01 and sigma for 1-3 distances of 0.01
3. Uiso/Uaniso restraints and constraints
F16 \\sim F17 \\sim F18 \\sim F16A \\sim F17A \\sim F18A: within 2A with sigma
of 0.02 and sigma for terminal atoms of 0.04 within 2A
4. Rigid body (RIGU) restrains
 F16, F17, F18, F16A, F17A, F18A, C24, C24, C24, C24, C24, C24
 with sigma for 1-2 distances of 0.002 and sigma for 1-3 distances of 0.002
5. Others
 Sof(F13A)=Sof(F14A)=Sof(F15A)=1-FVAR(1)
 Sof(F13)=Sof(F14)=Sof(F15)=FVAR(1)
 Sof(F1A)=Sof(F2A)=Sof(F3A)=1-FVAR(2)
 Sof(F1)=Sof(F2)=Sof(F3)=FVAR(2)
 Sof(F16A)=Sof(F17A)=Sof(F18A)=1-FVAR(3)
 Sof(F16)=Sof(F17)=Sof(F18)=FVAR(3)
6.a Aromatic/amide H refined with riding coordinates:
 C2(H2), C4(H4), C6(H6), C18(H18), C23(H23), C26(H26)
6.b Idealised Me refined as rotating group:
 C9(H9A,H9B,H9C), C10(H10A,H10B,H10C), C11(H11A,H11B,H11C), C13(H13A,H13B,
 H13C), C14(H14A,H14B,H14C), C15(H15A,H15B,H15C)
;
_shelx_res_checksum              12329
_olex2_submission_special_instructions 'No special instructions were received'
_oxdiff_exptl_absorpt_empirical_details
;
Empirical correction (ABSPACK) includes:
- Absorption correction using spherical harmonics
- Frame scaling
;
_oxdiff_exptl_absorpt_empirical_full_max 1.823
_oxdiff_exptl_absorpt_empirical_full_min 0.348