Three-Coordinate Cobalt(IV) and Cobalt(V) Imido Complexes with N-Heterocyclic Carbene Ligation: Synthesis, Structure, and Their Distinct Reactivity in C-H Bond Amination.
Zhang, Long; Liu, Yuesheng; Deng, Liang; Journal of the American Chemical Society 136 (2014) 15525–15528; doi:10.1021/ja509731z

data_4122835
_publ_section_title
;
 Three-Coordinate Cobalt(IV) and Cobalt(V) Imido Complexes with
 N-Heterocyclic Carbene Ligation: Synthesis, Structure, and Their Distinct
 Reactivity in C-H Bond Amination.
;
_journal_issue                   44
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              15525
_journal_page_last               15528
_journal_paper_doi               10.1021/ja509731z
_journal_volume                  136
_journal_year                    2014
_chemical_formula_sum            'C29 H42 Co N2 O Si2'
_chemical_formula_weight         549.76
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_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
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                95.353(2)
_cell_angle_beta                 96.262(2)
_cell_angle_gamma                111.638(2)
_cell_formula_units_Z            2
_cell_length_a                   8.8244(12)
_cell_length_b                   10.6363(15)
_cell_length_c                   17.548(2)
_cell_measurement_reflns_used    3760
_cell_measurement_temperature    140(2)
_cell_measurement_theta_max      30.46
_cell_measurement_theta_min      2.36
_cell_volume                     1505.9(3)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      140(2)
_diffrn_measured_fraction_theta_full 0.983
_diffrn_measured_fraction_theta_max 0.983
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0313
_diffrn_reflns_av_sigmaI/netI    0.0640
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            15109
_diffrn_reflns_theta_full        30.59
_diffrn_reflns_theta_max         30.59
_diffrn_reflns_theta_min         1.18
_exptl_absorpt_coefficient_mu    0.672
_exptl_absorpt_correction_T_max  0.9801
_exptl_absorpt_correction_T_min  0.8499
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            green
_exptl_crystal_density_diffrn    1.212
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             586
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.13
_exptl_crystal_size_min          0.03
_refine_diff_density_max         1.069
_refine_diff_density_min         -0.719
_refine_diff_density_rms         0.110
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.049
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     326
_refine_ls_number_reflns         9112
_refine_ls_number_restraints     7
_refine_ls_restrained_S_all      1.079
_refine_ls_R_factor_all          0.0744
_refine_ls_R_factor_gt           0.0486
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0926P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1307
_refine_ls_wR_factor_ref         0.1632
_reflns_number_gt                6690
_reflns_number_total             9112
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja509731z_si_001.cif
_cod_data_source_block           1
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to
/home/saulius/struct/COD-crude-data--automatic-downloads/rss-feeds/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2827 2014-09-09 07:05:25Z andrius 

 Adding full bibliography for 4122835--4122838.cif.
;
_cod_original_cell_volume        1505.8(4)
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               4122835