Activation of olefin metathesis complexes containing unsymmetrical unsaturated N-heterocyclic carbenes by copper and gold transmetalation
Kamal, Fadwa; Colombel-Rouen, Sophie; DUMAS, Adrien; Guegan, Jean Paul; Roisnel, Thierry; Dorcet, Vincent; Basle, Olivier; Rouen, Mathieu; Mauduit, Marc; Chemical Communications  (2019) –; doi:10.1039/C9CC05776E

data_7124102
_publ_section_title
;
 Activation of olefin metathesis complexes containing unsymmetrical
 unsaturated N-heterocyclic carbenes by copper and gold transmetalation
;
_journal_name_full               'Chemical Communications'
_journal_paper_doi               10.1039/C9CC05776E
_journal_year                    2019
_chemical_compound_source        'synthesis as described'
_chemical_formula_moiety         'C20 H28 Au Cl N2'
_chemical_formula_sum            'C20 H28 Au Cl N2'
_chemical_formula_weight         528.86
_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     dual
_atom_sites_solution_secondary   difmap
_audit_update_record
;
2019-07-02 deposited with the CCDC.    2019-09-02 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 97.631(6)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   9.5726(16)
_cell_length_b                   10.5813(19)
_cell_length_c                   20.181(3)
_cell_measurement_reflns_used    9357
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      27.5644
_cell_measurement_theta_min      2.1774
_cell_measurement_wavelength     0.71073
_cell_volume                     2026.0(6)
_computing_cell_refinement       'APEX3 (Bruker, 2015)'
_computing_data_collection       'SAINT (Bruker, 2014)'
_computing_data_reduction        'SAINT (Bruker, 2014)'
_computing_molecular_graphics
'SXGRAPH (L. Farrugia, 1999), Mercury (CSD, 2016)'
_computing_publication_material  'CRYSCALC (T. Roisnel, local program, 2019)'
_computing_structure_refinement  'SHELXL-2017_1 (Sheldrick, 2017)'
_computing_structure_solution    'SHELXT (Sheldrick, 2015)'
_diffrn_ambient_temperature      150(2)
_diffrn_detector                 '(CMOS) PHOTON 100'
_diffrn_detector_area_resol_mean 10.4167
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.991
_diffrn_measurement_device_type  'D8 VENTURE Bruker AXS'
_diffrn_measurement_method       'rotation images'
_diffrn_radiation_monochromator  'multilayer monochromator'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_source         'Incoatec microfocus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0502
_diffrn_reflns_av_unetI/netI     0.0456
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            16293
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.485
_diffrn_reflns_theta_min         2.962
_diffrn_source_current           1.0
_diffrn_source_voltage           50.0
_exptl_absorpt_coefficient_mu    7.397
_exptl_absorpt_correction_T_max  0.284
_exptl_absorpt_correction_T_min  0.108
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
  [Sheldrick, G.M. (2014). SADABS Bruker AXS Inc., Madison, Wisconsin, USA]
;
_exptl_crystal_colour            grey
_exptl_crystal_density_diffrn    1.734
_exptl_crystal_description       prism
_exptl_crystal_F_000             1032
_exptl_crystal_size_max          0.500
_exptl_crystal_size_mid          0.290
_exptl_crystal_size_min          0.170
_refine_diff_density_max         1.116
_refine_diff_density_min         -2.205
_refine_diff_density_rms         0.178
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.130
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     220
_refine_ls_number_reflns         4623
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.130
_refine_ls_R_factor_all          0.0358
_refine_ls_R_factor_gt           0.0306
_refine_ls_shift/su_max          0.011
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+6.1845P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0677
_refine_ls_wR_factor_ref         0.0695
_reflns_Friedel_coverage         0.000
_reflns_number_gt                4182
_reflns_number_total             4623
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c9cc05776e2.cif
_cod_data_source_block           SR400x3
_cod_original_cell_volume        2026.1(6)
_cod_database_code               7124102
_shelx_res_checksum              30753