NHC Complexes of Cobalt(II) Relevant to Catalytic C‒C Coupling Reactions
Przyojski, Jacob A.; Arman, Hadi D.; Tonzetich, Zachary J.; Organometallics 32 (2013) 723–; doi:10.1021/om3010756

data_4079949
_publ_section_title
;
 NHC Complexes of Cobalt(II) Relevant to Catalytic C--C Coupling Reactions
;
_journal_issue                   3
_journal_name_full               Organometallics
_journal_page_first              723
_journal_paper_doi               10.1021/om3010756
_journal_volume                  32
_journal_year                    2013
_chemical_formula_sum            'C21 H19 Cl Co N2'
_chemical_formula_weight         393.76
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           15
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/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                 108.07(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            16
_cell_length_a                   20.775(4)
_cell_length_b                   20.749(4)
_cell_length_c                   18.770(4)
_cell_measurement_temperature    293(2)
_cell_volume                     7692(3)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.984
_diffrn_measured_fraction_theta_max 0.984
_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  0.0527
_diffrn_reflns_av_sigmaI/netI    0.0787
_diffrn_reflns_limit_h_max       24
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            11417
_diffrn_reflns_theta_full        25.05
_diffrn_reflns_theta_max         25.05
_diffrn_reflns_theta_min         3.01
_exptl_absorpt_coefficient_mu    1.036
_exptl_crystal_density_diffrn    1.360
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             3248
_refine_diff_density_max         1.109
_refine_diff_density_min         -1.658
_refine_diff_density_rms         0.143
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.015
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     444
_refine_ls_number_reflns         6716
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.015
_refine_ls_R_factor_all          0.1085
_refine_ls_R_factor_gt           0.0938
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1495P)^2^+97.5600P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2607
_refine_ls_wR_factor_ref         0.2732
_reflns_number_gt                5371
_reflns_number_total             6716
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om3010756_si_002.cif
_cod_data_source_block           '[CoClMe(IMes)2]'
_cod_database_code               4079949