Cobalt Alkyl Complexes of a New Family of Chiral 1,3-Bis(2-pyridylimino)isoindolates and Their Application in Asymmetric Hydrosilylation
Désirée C. Sauer; Hubert Wadepohl; Lutz H. Gade; Inorganic Chemistry 51 (2012) 12948–12958; doi:10.1021/ic3020749

data_4331198
_publ_section_title
;
 Cobalt Alkyl Complexes of a New Family of Chiral
 1,3-Bis(2-pyridylimino)isoindolates and Their Application in Asymmetric
 Hydrosilylation
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              12948
_journal_page_last               12958
_journal_paper_doi               10.1021/ic3020749
_journal_volume                  51
_journal_year                    2012
_chemical_formula_sum            'C30 H33 N5 O4'
_chemical_formula_weight         527.61
_space_group_IT_number           5
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      5
_symmetry_space_group_name_Hall  'C 2y'
_symmetry_space_group_name_H-M   'C 1 2 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_atom_sites_solution_secondary   difmap
_audit_block_code                ga_ds40
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 95.881(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   21.095(12)
_cell_length_b                   12.889(6)
_cell_length_c                   19.284(10)
_cell_measurement_reflns_used    8172
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      32.13
_cell_measurement_theta_min      2.73
_cell_volume                     5216(5)
_computing_cell_refinement
;
SAINT (Bruker AXS, 1997-2008). Includes estimated systematic errors
 of the unit cell constants from Monte Carlo simulations.
;
_computing_data_collection       'SMART-5.631 (Bruker AXS, 2003)'
_computing_data_reduction
'SAINT (Bruker AXS, 1997-2008); SADABS (Bruker AXS, 2008)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SUPERFLIP (Palatinus, 2007-2009)'
_diffrn_ambient_environment      'perfluoro polyether oil'
_diffrn_ambient_temperature      100(2)
_diffrn_detector                 'CCD plate'
_diffrn_detector_area_resol_mean 8.19
_diffrn_detector_type            CCD-PXL-KAF2
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.958
_diffrn_measurement_device       'three-circle diffractometer'
_diffrn_measurement_device_type  'Bruker AXS Smart 1000'
_diffrn_measurement_method       '\f- and \w-scans'
_diffrn_measurement_specimen_support 'polyimid foil'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0451
_diffrn_reflns_av_sigmaI/netI    0.0321
_diffrn_reflns_limit_h_max       31
_diffrn_reflns_limit_h_min       -31
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       -28
_diffrn_reflns_number            65021
_diffrn_reflns_theta_full        31.00
_diffrn_reflns_theta_max         32.15
_diffrn_reflns_theta_min         1.85
_diffrn_source                   'fine-focus sealed tube'
_exptl_absorpt_coefficient_mu    0.091
_exptl_absorpt_correction_T_max  0.8623
_exptl_absorpt_correction_T_min  0.8113
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
multi-scan from symmetry-related measurements (Blessing 1995)
SADABS (Sheldrick & Bruker AXS, 2004-2008)
;
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.344
_exptl_crystal_description       irregular
_exptl_crystal_F_000             2240
_exptl_crystal_size_max          0.27
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.810
_refine_diff_density_min         -0.305
_refine_diff_density_rms         0.085
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.026
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     838
_refine_ls_number_reflns         9136
_refine_ls_number_restraints     65
_refine_ls_restrained_S_all      1.025
_refine_ls_R_factor_all          0.0838
_refine_ls_R_factor_gt           0.0660
_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^)+(0.1227P)^2^+2.9312P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1715
_refine_ls_wR_factor_ref         0.1899
_reflns_number_gt                7390
_reflns_number_total             9136
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic3020749_si_002_06.cif
_cod_data_source_block           SS-11
_cod_original_sg_symbol_H-M      'C 2'
_cod_database_code               4331198
_audit_block_refno               1262