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_4331193
_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_absolute_configuration syn
_chemical_formula_sum            'C10 H12 N4 O'
_chemical_formula_weight         204.24
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_Int_Tables_number      19
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_atom_sites_solution_hydrogens   difmap
_atom_sites_solution_primary     dual
_atom_sites_solution_secondary   difmap
_audit_block_code                ga_ds26
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   6.799(4)
_cell_length_b                   8.888(4)
_cell_length_c                   15.767(8)
_cell_measurement_reflns_used    8150
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      31.71
_cell_measurement_theta_min      2.63
_cell_volume                     952.8(9)
_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 0.997
_diffrn_measured_fraction_theta_max 0.961
_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  0.0343
_diffrn_reflns_av_sigmaI/netI    0.0163
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            20140
_diffrn_reflns_theta_full        30.51
_diffrn_reflns_theta_max         32.17
_diffrn_reflns_theta_min         2.58
_diffrn_source                   'fine-focus sealed tube'
_exptl_absorpt_coefficient_mu    0.098
_exptl_absorpt_correction_T_max  0.8623
_exptl_absorpt_correction_T_min  0.7671
_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            colourless
_exptl_crystal_density_diffrn    1.424
_exptl_crystal_description       needle
_exptl_crystal_F_000             432
_exptl_crystal_size_max          0.23
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.536
_refine_diff_density_min         -0.212
_refine_diff_density_rms         0.057
_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   1.099
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     158
_refine_ls_number_reflns         1862
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.099
_refine_ls_R_factor_all          0.0418
_refine_ls_R_factor_gt           0.0384
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0629P)^2^+0.2093P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1045
_refine_ls_wR_factor_ref         0.1072
_reflns_number_gt                1735
_reflns_number_total             1862
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic3020749_si_002_01.cif
_cod_data_source_block           S-3a
_cod_original_cell_volume        952.7(8)
_cod_database_code               4331193
_audit_block_refno               1122