Bis(dinitrogen)cobalt(-I) Complexes with NHC Ligation: Synthesis, Characterization and Their Dinitrogen Functionalization Reactions Affording Side-On Bound Diazene Complexes.
Gao, Yafei; Li, Guangyu; Deng, Liang; Journal of the American Chemical Society  (2018) –; doi:10.1021/jacs.7b11660

data_4127119
_publ_section_title
;
 Bis(dinitrogen)cobalt(-I) Complexes with NHC Ligation: Synthesis,
 Characterization and Their Dinitrogen Functionalization Reactions
 Affording Side-On Bound Diazene Complexes.
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_paper_doi               10.1021/jacs.7b11660
_journal_year                    2018
_chemical_formula_moiety         'C45 H72 Co N8'
_chemical_formula_sum            'C45 H72 Co N8'
_chemical_formula_weight         784.03
_chemical_name_systematic
;
 ?
;
_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'
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_audit_creation_date             2016-01-11
_audit_creation_method
;
Olex2 1.2
(compiled 2014.07.22 svn.r2960 for OlexSys, GUI svn.r4862)
;
_cell_angle_alpha                90
_cell_angle_beta                 90.484(8)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   14.866(6)
_cell_length_b                   18.861(7)
_cell_length_c                   15.583(6)
_cell_measurement_reflns_used    2510
_cell_measurement_temperature    130
_cell_measurement_theta_max      20.530
_cell_measurement_theta_min      2.19
_cell_volume                     4369(3)
_computing_cell_refinement       'SAINT v7.68A (Bruker, 2009)'
_computing_data_reduction        'SAINT v7.68A (Bruker, 2009)'
_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    'ShelXS (Sheldrick, 2008)'
_diffrn_ambient_temperature      130
_diffrn_measured_fraction_theta_full 1.003
_diffrn_measured_fraction_theta_max 0.928
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1328
_diffrn_reflns_av_unetI/netI     0.1466
_diffrn_reflns_Laue_measured_fraction_full 1.003
_diffrn_reflns_Laue_measured_fraction_max 0.928
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -24
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            35548
_diffrn_reflns_point_group_measured_fraction_full 1.003
_diffrn_reflns_point_group_measured_fraction_max 0.928
_diffrn_reflns_theta_full        26.000
_diffrn_reflns_theta_max         27.703
_diffrn_reflns_theta_min         1.080
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.433
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.6140
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2008/1 (Bruker,2008) was used for absorption correction.
wR2(int) was 0.0982 before and 0.0767 after correction.
The Ratio of minimum to maximum transmission is 0.8235.
The \l/2 correction factor is 0.0015.
;
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.192
_exptl_crystal_description       block
_exptl_crystal_F_000             1700
_exptl_crystal_size_max          0.3
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.12
_refine_diff_density_max         1.881
_refine_diff_density_min         -1.865
_refine_diff_density_rms         0.485
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.978
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     488
_refine_ls_number_reflns         10408
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.978
_refine_ls_R_factor_all          0.1724
_refine_ls_R_factor_gt           0.0866
_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^)+(0.1318P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2172
_refine_ls_wR_factor_ref         0.2663
_reflns_Friedel_coverage         0.000
_reflns_number_gt                5032
_reflns_number_total             10408
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ja7b11660_si_001.cif
_cod_data_source_block           1
_cod_database_code               4127119
_shelxl_version_number           2014-3
_shelx_estimated_absorpt_t_max   0.950
_shelx_estimated_absorpt_t_min   0.881
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups
2.a Ternary CH refined with riding coordinates:
 C6(H6), C12(H12), C20(H20), C26(H26), C34(H34), C40(H40)
2.b Secondary CH2 refined with riding coordinates:
 C7(H7A,H7B), C8(H8A,H8B), C9(H9A,H9B), C10(H10A,H10B), C11(H11A,H11B),
 C13(H13A,H13B), C14(H14A,H14B), C15(H15A,H15B), C16(H16A,H16B), C17(H17A,H17B),
  C21(H21A,H21B), C22(H22A,H22B), C23(H23A,H23B), C24(H24A,H24B), C25(H25A,
 H25B), C27(H27A,H27B), C28(H28A,H28B), C29(H29A,H29B), C30(H30A,H30B),
 C31(H31A,H31B), C35(H35A,H35B), C36(H36A,H36B), C37(H37A,H37B), C38(H38A,H38B),
  C39(H39A,H39B), C41(H41A,H41B), C42(H42A,H42B), C43(H43A,H43B), C44(H44A,
 H44B), C45(H45A,H45B)
2.c Aromatic/amide H refined with riding coordinates:
 C4(H4), C5(H5), C18(H18), C19(H19), C32(H32), C33(H33)
;
_shelx_res_checksum              62246
_shelx_hkl_checksum              47658
_olex2_submission_special_instructions 'No special instructions were received'