Si-H bond activation at {(NHC)2Ni(0)} leading to hydrido silyl and bis(silyl) complexes: a versatile tool for catalytic Si-H/D exchange, acceptorless dehydrogenative coupling of hydrosilanes, and hydrogenation of disilanes to hydrosilanes.
Schmidt, David; Zell, Thomas; Schaub, Thomas; Radius, Udo; Dalton transactions (Cambridge, England : 2003) 43 (2014) 10816–10827; doi:10.1039/c4dt01250j

data_7030794
_publ_section_title
;
 Si-H bond activation at {(NHC)2Ni(0)} leading to hydrido silyl and
 bis(silyl) complexes: a versatile tool for catalytic Si-H/D exchange,
 acceptorless dehydrogenative coupling of hydrosilanes, and hydrogenation
 of disilanes to hydrosilanes.
;
_journal_issue                   28
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              10816
_journal_page_last               10827
_journal_paper_doi               10.1039/c4dt01250j
_journal_volume                  43
_journal_year                    2014
_chemical_formula_moiety         C42H54N4Ni2Si2
_chemical_formula_sum            'C42 H54 N4 Ni2 Si2'
_chemical_formula_weight         788.49
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_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
_audit_creation_method           'SHELXL-97 + manual editing'
_cell_angle_alpha                90.00
_cell_angle_beta                 106.519(7)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   10.480(5)
_cell_length_b                   16.614(7)
_cell_length_c                   12.530(6)
_cell_measurement_reflns_used    6552
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      25.470
_cell_measurement_theta_min      2.368
_cell_volume                     2091.6(17)
_computing_cell_refinement       'Saint-NT v. 7.23'
_computing_data_collection       'Smart-NT v. 5.63'
_computing_data_reduction        'Saint-NT v. 7.23'
_computing_molecular_graphics    'XP in ShelxTL-97'
_computing_publication_material  'XP in ShelxTL-97'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.986
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_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  0.0587
_diffrn_reflns_av_sigmaI/netI    0.0369
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            32458
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.32
_diffrn_reflns_theta_min         2.03
_exptl_absorpt_coefficient_mu    0.990
_exptl_absorpt_correction_T_max  0.7453
_exptl_absorpt_correction_T_min  0.6382
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SadAbs-2008/1 (Bruker, 2008)'
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.252
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             836
_exptl_crystal_size_max          0.29
_exptl_crystal_size_mid          0.14
_exptl_crystal_size_min          0.06
_refine_diff_density_max         0.443
_refine_diff_density_min         -0.212
_refine_diff_density_rms         0.056
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.038
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     234
_refine_ls_number_reflns         4191
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.038
_refine_ls_R_factor_all          0.0450
_refine_ls_R_factor_gt           0.0310
_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^)+(0.0391P)^2^+0.5469P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0758
_refine_ls_wR_factor_ref         0.0832
_reflns_number_gt                3326
_reflns_number_total             4191
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4dt01250j2.cif
_cod_data_source_block           compound_6
_cod_depositor_comments
'Adding full bibliography for 7030793--7030800.cif.'
_cod_original_cell_volume        2091.6(16)
_cod_original_sg_symbol_H-M      P21/c
_cod_database_code               7030794