Disilaruthena- and ferra-cyclic complexes containing isocyanide lig-ands as effective catalysts for hydrogenation of unfunctionalized ste-rically hindered alkenes.
Sunada, Yusuke; Ogushi, Hajime; Yamamoto, Taiji; Uto, Shoko; Sawano, Mina; Tahara, Atsushi; Tanaka, Hiromasa; Shiota, Yoshihito; Yoshizawa, Kazunari; Nagashima, Hideo; Journal of the American Chemical Society  (2018) –; doi:10.1021/jacs.8b00812

data_4127203
_publ_section_title
;
 Disilaruthena- and ferra-cyclic complexes containing isocyanide lig-ands
 as effective catalysts for hydrogenation of unfunctionalized ste-rically
 hindered alkenes.
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_paper_doi               10.1021/jacs.8b00812
_journal_year                    2018
_chemical_formula_moiety         'C40 H56 Fe N2 Si4'
_chemical_formula_sum            'C40 H56 Fe N2 Si4'
_chemical_formula_weight         733.08
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_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
_cell_angle_alpha                90.0000
_cell_angle_beta                 92.646(3)
_cell_angle_gamma                90.0000
_cell_formula_units_Z            2
_cell_length_a                   9.239(2)
_cell_length_b                   15.723(4)
_cell_length_c                   13.879(4)
_cell_measurement_reflns_used    6481
_cell_measurement_temperature    193
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      3.21
_cell_volume                     2014.0(9)
_computing_cell_refinement       CrystalClear
_computing_data_collection       'CrystalClear (Rigaku Inc., 2008)'
_computing_data_reduction        CrystalClear
_computing_molecular_graphics    'CrystalStructure 4.2.2'
_computing_publication_material  'CrystalStructure 4.2.2 (Rigaku, 2016)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SIR2011 (Burla, et al., 2012)'
_diffrn_ambient_temperature      193
_diffrn_detector_area_resol_mean 7.111
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'Rigaku Saturn724'
_diffrn_measurement_method       \w
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.0400
_diffrn_reflns_Laue_measured_fraction_full 0.991
_diffrn_reflns_Laue_measured_fraction_max 0.993
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            15735
_diffrn_reflns_point_group_measured_fraction_full 0.991
_diffrn_reflns_point_group_measured_fraction_max 0.993
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.468
_diffrn_reflns_theta_min         3.212
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.522
_exptl_absorpt_correction_T_max  0.959
_exptl_absorpt_correction_T_min  0.837
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'REQAB (Rigaku, 1998)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.209
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             784.00
_exptl_crystal_size_max          0.120
_exptl_crystal_size_mid          0.100
_exptl_crystal_size_min          0.080
_refine_diff_density_max         0.78
_refine_diff_density_min         -0.35
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.054
_refine_ls_hydrogen_treatment    mixed
_refine_ls_number_parameters     218
_refine_ls_number_reflns         4570
_refine_ls_number_restraints     0
_refine_ls_R_factor_all          0.0394
_refine_ls_R_factor_gt           0.0368
_refine_ls_shift/su_max          0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w = 1/[\s^2^(Fo^2^)+(0.0621P)^2^+0.7558P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1008
_refine_ls_wR_factor_ref         0.1034
_reflns_Friedel_coverage         0.000
_reflns_number_gt                4191
_reflns_number_total             4570
_reflns_threshold_expression     F^2^>2.0\s(F^2^)
_cod_data_source_file            ja8b00812_si_002.cif
_cod_data_source_block           Fe(Si)2(Si-H)2(CNMes)2
_cod_database_code               4127203
_shelxl_version_number           2014-1
_shelx_res_checksum              71375
_shelx_hkl_checksum              57361