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_1576171
_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         'C20 H30 Co N3 O'
_chemical_formula_sum            'C20 H30 Co N3 O'
_chemical_formula_weight         387.40
_chemical_properties_physical
Air-sensitive,Moisture-sensitive,Oxygen-sensitive
_space_group_crystal_system      monoclinic
_space_group_IT_number           5
_space_group_name_Hall           'C 2y'
_space_group_name_H-M_alt        'C 1 2 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_creation_date             2024-03-21
_audit_creation_method
;
Olex2 1.5
(compiled 2022.04.07 svn.rca3783a0 for OlexSys, GUI svn.r6498)
;
_audit_update_record
;
2024-04-16 deposited with the CCDC.	2025-10-27 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 108.095(2)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   24.2715(10)
_cell_length_b                   6.0591(3)
_cell_length_c                   13.7733(6)
_cell_measurement_reflns_used    9847
_cell_measurement_temperature    170.00
_cell_measurement_theta_max      66.270
_cell_measurement_theta_min      3.333
_cell_volume                     1925.37(15)
_computing_cell_refinement       'SAINT V8.40B (?, 2016)'
_computing_data_collection       'Bruker Instrument Service vV6.2.14'
_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 2019/2 (Sheldrick, 2015)'
_computing_structure_solution    'SHELXT 2018/2 (Sheldrick, 2018)'
_diffrn_ambient_temperature      170.00
_diffrn_measured_fraction_theta_full 0.987
_diffrn_measured_fraction_theta_max 0.990
_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  0.0578
_diffrn_reflns_av_unetI/netI     0.0763
_diffrn_reflns_Laue_measured_fraction_full 0.987
_diffrn_reflns_Laue_measured_fraction_max 0.990
_diffrn_reflns_limit_h_max       31
_diffrn_reflns_limit_h_min       -31
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            25203
_diffrn_reflns_point_group_measured_fraction_full 0.957
_diffrn_reflns_point_group_measured_fraction_max 0.965
_diffrn_reflns_theta_full        53.594
_diffrn_reflns_theta_max         60.576
_diffrn_reflns_theta_min         3.333
_diffrn_source_current           3.57
_diffrn_source_power             0.24957869999999996
_diffrn_source_voltage           69.91
_exptl_absorpt_coefficient_mu    4.943
_exptl_absorpt_correction_T_max  0.7529
_exptl_absorpt_correction_T_min  0.5901
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2016/2 (Bruker,2016/2) was used for absorption correction.
wR2(int) was 0.1297 before and 0.0888 after correction.
The Ratio of minimum to maximum transmission is 0.7838.
The \l/2 correction factor is Not present.
;
_exptl_crystal_colour            red
_exptl_crystal_colour_primary    red
_exptl_crystal_density_diffrn    1.336
_exptl_crystal_description       block
_exptl_crystal_F_000             824
_exptl_crystal_preparation       'Magnetic properties'
_exptl_crystal_recrystallization_method 'Re-crystallisation from solvent: Et2O'
_exptl_crystal_size_max          0.06
_exptl_crystal_size_mid          0.05
_exptl_crystal_size_min          0.04
_refine_diff_density_max         0.294
_refine_diff_density_min         -0.224
_refine_diff_density_rms         0.056
_refine_ls_abs_structure_details
;
 Refined as an inversion twin.
;
_refine_ls_abs_structure_Flack   0.007(4)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.033
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     231
_refine_ls_number_reflns         4274
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.033
_refine_ls_R_factor_all          0.0331
_refine_ls_R_factor_gt           0.0313
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0292P)^2^+0.1009P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0706
_refine_ls_wR_factor_ref         0.0712
_reflns_Friedel_coverage         0.782
_reflns_Friedel_fraction_full    0.920
_reflns_Friedel_fraction_max     0.935
_reflns_number_gt                4081
_reflns_number_total             4274
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d5sc06683b2.cif
_cod_data_source_block           240320_zcg03068_0m
_cod_depositor_comments
'Adding full bibliography for 1576157--1576173.cif.'
_cod_database_code               1576171
_shelx_shelxl_version_number     2019/2
_shelx_estimated_absorpt_t_max   0.827
_shelx_estimated_absorpt_t_min   0.756
_olex2_refinement_description
;
1. Twinned data refinement
 Scales: 0.993(4)
 0.007(4)
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:
 C1(H1), C16(H16), C17(H17)
3.b Secondary CH2 refined with riding coordinates:
 C2(H2A,H2B), C3(H3A,H3B), C4(H4A,H4B), C5(H5A,H5B), C6(H6A,H6B), C15(H15A,H15B)
3.c Aromatic/amide H refined with riding coordinates:
 C10(H10), C11(H11), C12(H12)
3.d Idealised Me refined as rotating group:
 C8(H8A,H8B,H8C), C18(H18A,H18B,H18C), C19(H19A,H19B,H19C), C20(H20A,H20B,H20C)
;
_shelx_res_checksum              46993
_olex2_submission_special_instructions 'No special instructions were received'