Bis(imino)aryl NCN pincer cobalt complexes: synthesis and disproportionation.
Huang, Li-Cheng; Zhang, Jing-Shun; Jia, Teng; Mu, Ying; Gao, Wei; Dalton transactions (Cambridge, England : 2003) 49 (2020) 5219–5227; doi:10.1039/d0dt00747a

data_7703856
_publ_section_title
;
 Bis(imino)aryl NCN pincer cobalt complexes: synthesis and
 disproportionation.
;
_journal_issue                   16
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              5219
_journal_page_last               5227
_journal_paper_doi               10.1039/d0dt00747a
_journal_volume                  49
_journal_year                    2020
_chemical_formula_moiety         'C56 H62 Br4 Co4 N4'
_chemical_formula_sum            'C56 H62 Br4 Co4 N4'
_chemical_formula_weight         1346.46
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     heavy
_atom_sites_solution_secondary   difmap
_audit_creation_date             2019-12-19
_audit_creation_method
;
Olex2 1.2
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506)
;
_audit_update_record
;
2020-02-27 deposited with the CCDC.	2020-03-25 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 94.5840(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   11.0834(4)
_cell_length_b                   13.2980(4)
_cell_length_c                   18.3364(7)
_cell_measurement_reflns_used    9944
_cell_measurement_temperature    233(2)
_cell_measurement_theta_max      25.02
_cell_measurement_theta_min      2.58
_cell_volume                     2693.90(16)
_computing_cell_refinement       'SAINT V8.38A (?, 2016)'
_computing_data_reduction        'SAINT V8.38A (?, 2016)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'XL (Sheldrick, 2008)'
_computing_structure_solution    'XS (Sheldrick, 2008)'
_diffrn_ambient_temperature      232.99
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0302
_diffrn_reflns_av_unetI/netI     0.0196
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            29328
_diffrn_reflns_theta_full        25.03
_diffrn_reflns_theta_max         25.03
_diffrn_reflns_theta_min         2.58
_diffrn_source                   'fine-focus sealed tube'
_exptl_absorpt_coefficient_mu    4.217
_exptl_absorpt_correction_T_max  0.7452
_exptl_absorpt_correction_T_min  0.6372
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2016/2 (Bruker,2016/2) was used for absorption correction.
wR2(int) was 0.0583 before and 0.0426 after correction.
The Ratio of minimum to maximum transmission is 0.8551.
The \l/2 correction factor is Not present.
;
_exptl_crystal_colour            'clear light violet'
_exptl_crystal_colour_lustre     clear
_exptl_crystal_colour_modifier   light
_exptl_crystal_colour_primary    violet
_exptl_crystal_density_diffrn    1.660
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1348
_exptl_crystal_size_max          0.19
_exptl_crystal_size_mid          0.17
_exptl_crystal_size_min          0.17
_refine_diff_density_max         1.070
_refine_diff_density_min         -1.154
_refine_diff_density_rms         0.075
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.053
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     291
_refine_ls_number_reflns         4754
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.053
_refine_ls_R_factor_all          0.0504
_refine_ls_R_factor_gt           0.0420
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0482P)^2^+5.7326P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1052
_refine_ls_wR_factor_ref         0.1108
_reflns_number_gt                4058
_reflns_number_total             4754
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            d0dt00747a2.cif
_cod_data_source_block           2b
_cod_depositor_comments
'Adding full bibliography for 7703856--7703861.cif.'
_cod_database_code               7703856
_olex2_refinement_description
;
1. 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
2.a Secondary CH2 refined with riding coordinates:
 C24(H24A,H24B), C23(H23A,H23B), C16(H16A,H16B), C15(H15A,H15B)
2.b Aromatic/amide H refined with riding coordinates:
 C4(H4), C8(H8), C3(H3), C5(H5), C7(H7), C21(H21), C20(H20), C19(H19),
 C11(H11), C12(H12), C13(H13)
2.c Idealised Me refined as rotating group:
 C0AA(H0AA,H0AB,H0AC), C1AA(H1AA,H1AB,H1AC), C2AA(H2AA,H2AB,H2AC), C3AA(H3AA,
 H3AB,H3AC)
;
_olex2_submission_special_instructions 'No special instructions were received'