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_4127121
_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         'C60 H96 Co2 N16 Rb2, C7 H8'
_chemical_formula_sum            'C67 H104 Co2 N16 Rb2'
_chemical_formula_weight         1422.46
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_audit_creation_date             2016-07-01
_audit_creation_method
;
Olex2 1.2
(compiled 2016.02.19 svn.r3266 for OlexSys, GUI svn.r5155)
;
_cell_angle_alpha                81.766(3)
_cell_angle_beta                 64.525(3)
_cell_angle_gamma                71.840(3)
_cell_formula_units_Z            2
_cell_length_a                   15.843(2)
_cell_length_b                   16.417(2)
_cell_length_c                   16.627(2)
_cell_measurement_reflns_used    2833
_cell_measurement_temperature    130
_cell_measurement_theta_max      23.25
_cell_measurement_theta_min      2.23
_cell_volume                     3709.4(8)
_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  'ShelXL (Sheldrick, 2015)'
_computing_structure_solution    'ShelXT (Sheldrick, 2015)'
_diffrn_ambient_temperature      130
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.990
_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  0.1020
_diffrn_reflns_av_unetI/netI     0.2074
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.990
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -20
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            30668
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.990
_diffrn_reflns_theta_full        26.000
_diffrn_reflns_theta_max         27.611
_diffrn_reflns_theta_min         1.679
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.799
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.5829
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2008/1 (Bruker,2008) was used for absorption correction.
wR2(int) was 0.0790 before and 0.0551 after correction.
The Ratio of minimum to maximum transmission is 0.7818.
The \l/2 correction factor is 0.0015.
;
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.273
_exptl_crystal_description       prism
_exptl_crystal_F_000             1492
_exptl_crystal_size_max          0.12
_exptl_crystal_size_mid          0.02
_exptl_crystal_size_min          0.01
_refine_diff_density_max         0.698
_refine_diff_density_min         -0.603
_refine_diff_density_rms         0.090
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.717
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     785
_refine_ls_number_reflns         17075
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.717
_refine_ls_R_factor_all          0.1527
_refine_ls_R_factor_gt           0.0526
_refine_ls_shift/su_max          0.014
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0448P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0963
_refine_ls_wR_factor_ref         0.1161
_reflns_Friedel_coverage         0.000
_reflns_number_gt                7501
_reflns_number_total             17075
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ja7b11660_si_001.cif
_cod_data_source_block           2b
_cod_original_cell_volume        3709.6(9)
_cod_database_code               4127121
_shelx_estimated_absorpt_t_max   0.982
_shelx_estimated_absorpt_t_min   0.813
_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 Ternary CH refined with riding coordinates:
 C7(H7), C13(H13), C19(H19), C27(H27), C33(H33), C35(H35), C41(H41), C49(H49),
 C55(H55)
2.b Secondary CH2 refined with riding coordinates:
 C8(H8A,H8B), C9(H9A,H9B), C10(H10A,H10B), C11(H11A,H11B), C12(H12A,H12B),
 C14(H14A,H14B), C15(H15A,H15B), C16(H16A,H16B), C17(H17A,H17B), C18(H18A,H18B),
  C20(H20A,H20B), C21(H21A,H21B), C22(H22A,H22B), C23(H23A,H23B), C24(H24A,
 H24B), C28(H28A,H28B), C29(H29A,H29B), C30(H30A,H30B), C31(H31A,H31B),
 C32(H32A,H32B), C36(H36A,H36B), C37(H37A,H37B), C38(H38A,H38B), C39(H39A,H39B),
  C40(H40A,H40B), C42(H42A,H42B), C43(H43A,H43B), C44(H44A,H44B), C45(H45A,
 H45B), C46(H46A,H46B), C50(H50A,H50B), C51(H51A,H51B), C52(H52A,H52B),
 C53(H53A,H53B), C54(H54A,H54B), C56(H56A,H56B), C57(H57A,H57B), C58(H58A,H58B),
  C59(H59A,H59B), C60(H60A,H60B)
2.c Aromatic/amide H refined with riding coordinates:
 C5(H5), C6(H6), C25(H25), C26(H26), C34(H34), C47(H47), C48(H48), C63(H63),
 C64(H64), C65(H65), C66(H66), C67(H67)
2.d Idealised Me refined as rotating group:
 C61(H61A,H61B,H61C)
;
_shelx_res_checksum              87213
_shelx_hkl_checksum              28177
_shelx_shelxl_version_number     2014/7
_olex2_submission_special_instructions 'No special instructions were received'