Half-Sandwich Manganese Complexes Bearing Cp Tethered N-Heterocyclic Carbene Ligands: Synthesis and Mechanistic Insights into the Catalytic Ketone Hydrosilylation
Valyaev, Dmitry A.; Wei, Duo; Elangovan, Saravanakumar; Cavailles, Matthieu; Dorcet, Vincent; Sortais, Jean-Baptiste; Darcel, Christophe; Lugan, Noël; Organometallics 35 (2016) 4090–; doi:10.1021/acs.organomet.6b00785

data_4089169
_publ_section_title
;
 Half-Sandwich Manganese Complexes Bearing Cp Tethered N-Heterocyclic
 Carbene Ligands: Synthesis and Mechanistic Insights into the Catalytic
 Ketone Hydrosilylation
;
_journal_issue                   24
_journal_name_full               Organometallics
_journal_page_first              4090
_journal_paper_doi               10.1021/acs.organomet.6b00785
_journal_volume                  35
_journal_year                    2016
_chemical_formula_moiety         'C20 H19 Mn N2 O2'
_chemical_formula_sum            'C20 H19 Mn N2 O2'
_chemical_formula_weight         374.31
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      14
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_date             2016-07-28T11:26:33-00:00
_audit_creation_method           'WinGX routine CIF_UPDATE'
_cell_angle_alpha                90
_cell_angle_beta                 94.524(2)
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   9.2449(5)
_cell_length_b                   15.1840(9)
_cell_length_c                   24.8996(15)
_cell_measurement_reflns_used    9999
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      36.29
_cell_measurement_theta_min      1.65
_cell_measurement_wavelength     0.71073
_cell_volume                     3484.4(3)
_computing_structure_refinement  'SHELXL-2013 (Sheldrick, 2013)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker APEX II'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_source         'Incoatec I\mS Microsource '
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0226
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       31
_diffrn_reflns_limit_l_min       -31
_diffrn_reflns_number            72378
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.998
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         26.37
_diffrn_reflns_theta_min         2.585
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.773
_exptl_absorpt_correction_T_max  0.7468
_exptl_absorpt_correction_T_min  0.6962
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
'SADABS, Sheldrick, Bruker, 2000'
;
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.427
_exptl_crystal_description       cube
_exptl_crystal_F_000             1552
_exptl_crystal_size_max          0.12
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.292
_refine_diff_density_min         -0.246
_refine_diff_density_rms         0.045
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.041
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     457
_refine_ls_number_reflns         7113
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.041
_refine_ls_R_factor_all          0.0292
_refine_ls_R_factor_gt           0.0262
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0336P)^2^+2.2348P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0709
_refine_ls_wR_factor_ref         0.0732
_reflns_number_gt                6553
_reflns_number_total             7113
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            om6b00785_si_002.cif
_cod_data_source_block           2a
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               4089169
_shelx_res_checksum              91560
_shelx_hkl_checksum              86104