The structural parameter of spin states of <i>C</i> <sub>1</sub>-symmetric four-coordinate cobalt complexes: <i>D</i> <sub>4</sub>.
Zheng, Chenggong; Liu, Jiyong; Wang, Yongtao; Li, Haoran; Wang, Yuwen; Lu, Zhan; Chemical science 17 (2026) 492–499; doi:10.1039/d5sc06683b

data_1576170
_publ_section_title
;
 The structural parameter of spin states of <i>C</i>
 <sub>1</sub>-symmetric four-coordinate cobalt complexes: <i>D</i>
 <sub>4</sub>.
;
_journal_issue                   1
_journal_name_full               'Chemical science'
_journal_page_first              492
_journal_page_last               499
_journal_paper_doi               10.1039/d5sc06683b
_journal_volume                  17
_journal_year                    2026
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C26 H36 Co N3 O'
_chemical_formula_sum            'C26 H36 Co N3 O'
_chemical_formula_weight         465.51
_chemical_properties_physical    Air-sensitive,Moisture-sensitive,Hygroscopic
_space_group_crystal_system      monoclinic
_space_group_IT_number           4
_space_group_name_Hall           'P 2yb'
_space_group_name_H-M_alt        'P 1 21 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_creation_date             2024-06-14
_audit_creation_method
;
Olex2 1.5
(compiled 2024.02.16 svn.r378c4104 for OlexSys, GUI svn.r6928)
;
_audit_update_record
;
2024-06-14 deposited with the CCDC.	2025-10-27 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 102.847(2)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   9.3878(4)
_cell_length_b                   11.3926(5)
_cell_length_c                   12.0509(5)
_cell_measurement_reflns_used    9907
_cell_measurement_temperature    170.00
_cell_measurement_theta_max      60.461
_cell_measurement_theta_min      3.272
_cell_volume                     1256.60(9)
_computing_cell_refinement       'SAINT V8.40B (?, 2016)'
_computing_data_reduction        'SAINT V8.40B (?, 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 2018/3 (Sheldrick, 2015)'
_computing_structure_solution    'SHELXT 2018/2 (Sheldrick, 2018)'
_diffrn_ambient_temperature      170.00
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'zju Bruker D8 Venture'
_diffrn_measurement_method       '\w and \f scans'
_diffrn_radiation_type           GaK\a
_diffrn_radiation_wavelength     1.34139
_diffrn_reflns_av_R_equivalents  0.0597
_diffrn_reflns_av_unetI/netI     0.0872
_diffrn_reflns_Laue_measured_fraction_full 0.995
_diffrn_reflns_Laue_measured_fraction_max 0.994
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            28974
_diffrn_reflns_point_group_measured_fraction_full 0.956
_diffrn_reflns_point_group_measured_fraction_max 0.960
_diffrn_reflns_theta_full        53.594
_diffrn_reflns_theta_max         60.752
_diffrn_reflns_theta_min         3.272
_diffrn_source_current           3.57
_diffrn_source_power             0.24954300000000001
_diffrn_source_voltage           69.9
_exptl_absorpt_coefficient_mu    3.842
_exptl_absorpt_correction_T_max  0.7339
_exptl_absorpt_correction_T_min  0.6264
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2016/2 (Bruker,2016/2) was used for absorption correction.
wR2(int) was 0.1374 before and 0.0975 after correction.
The Ratio of minimum to maximum transmission is 0.8535.
The \l/2 correction factor is Not present.
;
_exptl_crystal_colour            violet
_exptl_crystal_colour_primary    violet
_exptl_crystal_density_diffrn    1.230
_exptl_crystal_description       block
_exptl_crystal_F_000             496
_exptl_crystal_recrystallization_method
'Re-crystallisation from solvent: pentane'
_exptl_crystal_size_max          0.06
_exptl_crystal_size_mid          0.04
_exptl_crystal_size_min          0.03
_refine_diff_density_max         0.666
_refine_diff_density_min         -0.314
_refine_diff_density_rms         0.093
_refine_ls_abs_structure_details
;
 Refined as an inversion twin.
;
_refine_ls_abs_structure_Flack   0.018(5)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.007
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     289
_refine_ls_number_reflns         5564
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.007
_refine_ls_R_factor_all          0.0468
_refine_ls_R_factor_gt           0.0437
_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^)+(0.0366P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0857
_refine_ls_wR_factor_ref         0.0868
_reflns_Friedel_coverage         0.839
_reflns_Friedel_fraction_full    0.911
_reflns_Friedel_fraction_max     0.923
_reflns_number_gt                4992
_reflns_number_total             5564
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d5sc06683b2.cif
_cod_data_source_block           240614_zcg03115
_cod_depositor_comments
'Adding full bibliography for 1576157--1576173.cif.'
_cod_database_code               1576170
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_max   0.893
_shelx_estimated_absorpt_t_min   0.802
_olex2_refinement_description
;
1. Twinned data refinement
 Scales: 0.982(5)
 0.018(5)
2. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups
 At 1.5 times of:
  All C(H,H,H) groups
3.a Ternary CH refined with riding coordinates:
 C10(H10), C20(H20), C23(H23), C11(H11)
3.b Secondary CH2 refined with riding coordinates:
 C9(H9A,H9B)
3.c Aromatic/amide H refined with riding coordinates:
 C6(H6), C7(H7), C8(H8), C18(H18), C17(H17), C16(H16)
3.d Idealised Me refined as rotating group:
 C26(H26A,H26B,H26C), C21(H21A,H21B,H21C), C25(H25A,H25B,H25C), C1(H1A,H1B,
 H1C), C24(H24A,H24B,H24C), C12(H12A,H12B,H12C), C22(H22A,H22B,H22C), C13(H13A,
 H13B,H13C)
;
_shelx_res_checksum              8494
_olex2_submission_special_instructions 'No special instructions were received'