Neutral Dinuclear Copper(I)-NHC Complexes: Synthesis and Application in the Hydrosilylation of Ketones
Trose, Michael; Lazreg, Faïma; Chang, Tao; Nahra, Fady; Cordes, David B.; Slawin, Alexandra M. Z.; Cazin, Catherine S. J.; ACS Catalysis 7 (2017) 238–; doi:10.1021/acscatal.6b02723

data_4514016
_publ_section_title
;
 Neutral Dinuclear Copper(I)-NHC Complexes: Synthesis and Application in
 the Hydrosilylation of Ketones
;
_journal_issue                   1
_journal_name_full               'ACS Catalysis'
_journal_page_first              238
_journal_paper_doi               10.1021/acscatal.6b02723
_journal_volume                  7
_journal_year                    2017
_chemical_formula_moiety         'C46 H56 Cu2 N10'
_chemical_formula_sum            'C46 H56 Cu2 N10'
_chemical_formula_weight         876.11
_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
_audit_creation_date             2015-11-09
_audit_creation_method           'by CrystalStructure 4.1'
_cell_angle_alpha                90.0000
_cell_angle_beta                 108.686(4)
_cell_angle_gamma                90.0000
_cell_formula_units_Z            2
_cell_length_a                   11.3017(15)
_cell_length_b                   13.5088(15)
_cell_length_c                   14.966(2)
_cell_measurement_reflns_used    5097
_cell_measurement_temperature    173
_cell_measurement_theta_max      25.30
_cell_measurement_theta_min      1.90
_cell_volume                     2164.5(5)
_computing_cell_refinement       'CrystalClear-SM Expert 2.1 b32'
_computing_data_collection
'CrystalClear-SM Expert 2.1 b32 (Rigaku, 2014)'
_computing_data_reduction        'CrystalClear-SM Expert 2.1 b32'
_computing_molecular_graphics    'CrystalStructure 4.1'
_computing_publication_material  'CrystalStructure 4.1 (Rigaku, 2014)'
_computing_structure_refinement  'SHELXL2013 (Sheldrick, 2008)'
_computing_structure_solution    'SIR2011 (Burla, et al., 2012)'
_diffrn_ambient_temperature      173
_diffrn_detector_area_resol_mean 5.814
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'Rigaku XtaLAB P200'
_diffrn_measurement_method       \w
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.0379
_diffrn_reflns_Laue_measured_fraction_full 0.994
_diffrn_reflns_Laue_measured_fraction_max 0.994
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            25768
_diffrn_reflns_point_group_measured_fraction_full 0.994
_diffrn_reflns_point_group_measured_fraction_max 0.994
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         25.336
_diffrn_reflns_theta_min         1.902
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.028
_exptl_absorpt_correction_T_max  0.940
_exptl_absorpt_correction_T_min  0.852
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'REQAB (Rigaku, 1998)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.344
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             920.00
_exptl_crystal_size_max          0.150
_exptl_crystal_size_mid          0.120
_exptl_crystal_size_min          0.060
_refine_diff_density_max         0.30
_refine_diff_density_min         -0.27
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.036
_refine_ls_hydrogen_treatment    constr
_refine_ls_number_parameters     268
_refine_ls_number_reflns         3935
_refine_ls_number_restraints     0
_refine_ls_R_factor_all          0.0422
_refine_ls_R_factor_gt           0.0315
_refine_ls_shift/su_max          0.002
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w = 1/[\s^2^(Fo^2^)+(0.0378P)^2^+1.6423P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0766
_refine_ls_wR_factor_ref         0.0816
_reflns_number_gt                3309
_reflns_number_total             3935
_reflns_threshold_expression     F^2^>2.0\s(F^2^)
_cod_data_source_file            cs6b02723_si_004.cif
_cod_data_source_block           2c
_cod_database_code               4514016
_shelx_res_checksum              95706
_shelx_hkl_checksum              76781