A Masked Two-Coordinate Cobalt(I) Complex That Activates C-F Bonds
Thomas R. Dugan; Xianru Sun; Elena V. Rybak-Akimova; Olayinka Olatunji-Ojo; Thomas R. Cundari; Patrick L. Holland; Journal of the American Chemical Society 133 (2011) 12418–12421; doi:10.1021/ja2052914

data_4106576
_publ_section_title
;
 A Masked Two-Coordinate Cobalt(I) Complex That Activates C-F Bonds
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              12418
_journal_page_last               12421
_journal_paper_doi               10.1021/ja2052914
_journal_volume                  133
_journal_year                    2011
_chemical_formula_moiety         'C53 H68 Co N2 P, 0.5(C4 H10 O)'
_chemical_formula_sum            'C55 H73 Co N2 O0.5 P'
_chemical_formula_weight         860.05
_chemical_name_common            L(tBu)Co(PPh3)
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 96.280(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   21.782(2)
_cell_length_b                   12.8292(11)
_cell_length_c                   17.2050(15)
_cell_measurement_reflns_used    3958
_cell_measurement_temperature    100.0(1)
_cell_measurement_theta_max      27.10
_cell_measurement_theta_min      2.82
_cell_volume                     4779.0(7)
_computing_cell_refinement       'SAINT (Bruker 2009)'
_computing_data_collection       'APEX2 (Bruker 2010)'
_computing_data_reduction        'SAINT (Bruker 2009)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 2008)'
_computing_publication_material  'SHELXTL (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SIR-97 (Altomare et al., 1999)'
_diffrn_ambient_temperature      100.0(1)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker SMART APEX II CCD Platform'
_diffrn_measurement_method       'area detector, \w scans per \f'
_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  0.1256
_diffrn_reflns_av_sigmaI/netI    0.0739
_diffrn_reflns_limit_h_max       32
_diffrn_reflns_limit_h_min       -32
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            115061
_diffrn_reflns_theta_full        31.51
_diffrn_reflns_theta_max         31.51
_diffrn_reflns_theta_min         1.85
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.431
_exptl_absorpt_correction_T_max  0.9581
_exptl_absorpt_correction_T_min  0.9111
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 2008)'
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.195
_exptl_crystal_description       block
_exptl_crystal_F_000             1852
_exptl_crystal_size_max          0.22
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.595
_refine_diff_density_min         -0.469
_refine_diff_density_rms         0.075
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.027
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     555
_refine_ls_number_reflns         15877
_refine_ls_number_restraints     7
_refine_ls_restrained_S_all      1.027
_refine_ls_R_factor_all          0.1032
_refine_ls_R_factor_gt           0.0622
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0501P)^2^+2.9778P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1264
_refine_ls_wR_factor_ref         0.1462
_reflns_number_gt                10457
_reflns_number_total             15877
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja2052914_si_002_3.cif
_cod_data_source_block           L(tBu)Co(PPh3)
_cod_original_cell_volume        4779.1(7)
_cod_database_code               4106576