Two-coordinate Co and Ni complexes of a bulky imidazolin-2-iminato ligand and facile synthesis of heterobimetallic complexes.
Chen, Yu-Hsuan; Chen, Guan-Wen; Lee, Yi-Hui; Liu, Hsin-Kuan; Lin, Chun-Yi; Dalton transactions (Cambridge, England : 2003) 54 (2025) 14448–14455; doi:10.1039/d5dt01455g

data_7719318
_publ_section_title
;
 Two-coordinate Co and Ni complexes of a bulky imidazolin-2-iminato ligand
 and facile synthesis of heterobimetallic complexes.
;
_journal_issue                   38
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              14448
_journal_page_last               14455
_journal_paper_doi               10.1039/d5dt01455g
_journal_volume                  54
_journal_year                    2025
_chemical_formula_moiety         'C54 H72 Cl2 Ge N6 Ni [+ solvent] '
_chemical_formula_sum            'C54 H72 Cl2 Ge N6 Ni'
_chemical_formula_weight         1007.37
_chemical_properties_physical    Air-sensitive,Moisture-sensitive
_space_group_crystal_system      tetragonal
_space_group_IT_number           96
_space_group_name_Hall           'P 4nw 2abw'
_space_group_name_H-M_alt        'P 43 21 2'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2019/1
_audit_update_record
;
2025-08-15 deposited with the CCDC.	2025-08-19 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   14.0070(4)
_cell_length_b                   14.0070(4)
_cell_length_c                   30.7341(12)
_cell_measurement_reflns_used    9503
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      28.06
_cell_measurement_theta_min      2.45
_cell_volume                     6029.9(3)
_computing_structure_refinement  'SHELXL-2019/1 (Sheldrick, 2019)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker D8 Venture PHOTON III diffractometer'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0487
_diffrn_reflns_av_unetI/netI     0.0272
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       40
_diffrn_reflns_limit_l_min       -40
_diffrn_reflns_number            83656
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.999
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         28.276
_diffrn_reflns_theta_min         1.598
_exptl_absorpt_coefficient_mu    0.935
_exptl_absorpt_correction_T_max  0.7457
_exptl_absorpt_correction_T_min  0.6686
_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details
;
 SADABS 2016/2: Krause, L., Herbst-Irmer, R., Sheldrick G.M. & Stalke D.,
 J. Appl. Cryst. 48 (2015) 3-10
;
_exptl_crystal_colour            Green
_exptl_crystal_density_diffrn    1.110
_exptl_crystal_description       Tetrahedral
_exptl_crystal_F_000             2128
_exptl_crystal_preparation       'Magnetic properties'
_exptl_crystal_recrystallization_method
'Re-crystallisation from solvent: toluene'
_exptl_crystal_size_max          0.252
_exptl_crystal_size_mid          0.162
_exptl_crystal_size_min          0.099
_refine_diff_density_max         0.538
_refine_diff_density_min         -0.298
_refine_diff_density_rms         0.069
_refine_ls_abs_structure_details
;
 Flack x determined using 2656 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.010(3)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.063
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     298
_refine_ls_number_reflns         7476
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.063
_refine_ls_R_factor_all          0.0448
_refine_ls_R_factor_gt           0.0363
_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^)+(0.0535P)^2^+2.4384P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0903
_refine_ls_wR_factor_ref         0.0960
_reflns_Friedel_coverage         0.738
_reflns_Friedel_fraction_full    0.999
_reflns_Friedel_fraction_max     0.998
_reflns_number_gt                6673
_reflns_number_total             7476
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d5dt01455g2.cif
_cod_data_source_block           24apr14_0m_a_sq
_cod_depositor_comments
'Adding full bibliography for 7719316--7719320.cif.'
_cod_original_cell_volume        6029.9(4)
_cod_database_code               7719318
_shelx_shelxl_version_number     2019/1
_shelx_estimated_absorpt_t_min   0.799
_shelx_estimated_absorpt_t_max   0.913
_shelx_res_checksum              14012
_shelx_fab_checksum              96727