Structure and Reactivity of Half-Sandwich Rh(+3) and Ir(+3) Carbene Complexes. Catalytic Metathesis of Azobenzene Derivatives.
Tindall, Daniel J.; Werlé, Christophe; Goddard, Richard; Philipps, Petra; Farès, Christophe; Fürstner, Alois; Journal of the American Chemical Society  (2018) –; doi:10.1021/jacs.7b12673

data_4127102
_publ_section_title
;
 Structure and Reactivity of Half-Sandwich Rh(+3) and Ir(+3) Carbene
 Complexes. Catalytic Metathesis of Azobenzene Derivatives.
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_paper_doi               10.1021/jacs.7b12673
_journal_year                    2018
_chemical_compound_source        'hexane, ethylacetate'
_chemical_formula_moiety         'C18 H18 O5'
_chemical_formula_sum            'C18 H18 O5'
_chemical_formula_weight         314.32
_chemical_name_systematic
;
 methyl (2SR,3SR)-2-(4-methoxyphenyl)-3-(4-methoxyphenyl)oxirane-
 2-carboxylate
;
_space_group_crystal_system      monoclinic
_space_group_IT_number           15
_space_group_name_Hall           '-C 2yc'
_space_group_name_H-M_alt        'C 1 2/c 1'
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_block_code                TID-TA-302-05_10010_200_K
_audit_creation_date             2016-05-02
_audit_creation_method           SHELXL-2017/1
_cell_angle_alpha                90
_cell_angle_beta                 105.473(9)
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   37.6824(14)
_cell_length_b                   7.8512(14)
_cell_length_c                   11.2312(16)
_cell_measurement_reflns_used    57166
_cell_measurement_temperature    200(2)
_cell_measurement_theta_max      33.0995
_cell_measurement_theta_min      2.6481
_cell_volume                     3202.3(8)
_computing_cell_refinement       'REVALCCD V. 1.6, 2008'
_computing_data_collection       'DATCOL (Bruker AXS, 2006)'
_computing_data_reduction        'REVALCCD V. 1.6, 2008'
_computing_molecular_graphics    'DIAMOND (Crystal Impact GbR, 1997-2013)'
_computing_structure_refinement  'SHELXL (Sheldrick, 2015)'
_computing_structure_solution    'SHELXT (Sheldrick, 2015)'
_diffrn_ambient_temperature      200(2)
_diffrn_detector_area_resol_mean 18.02
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker AXS Enraf-Nonius KappaCCD'
_diffrn_measurement_method       'CCD \f- and \w-scans'
_diffrn_radiation_monochromator  'Incoatec Helios focusing multilayer optics'
_diffrn_radiation_source         '0.2 x 2mm^2^ focus rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0449
_diffrn_reflns_av_unetI/netI     0.0279
_diffrn_reflns_Laue_measured_fraction_full 0.997
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       57
_diffrn_reflns_limit_h_min       -57
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            52194
_diffrn_reflns_point_group_measured_fraction_full 0.997
_diffrn_reflns_point_group_measured_fraction_max 0.998
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         33.186
_diffrn_reflns_theta_min         2.654
_exptl_absorpt_coefficient_mu    0.095
_exptl_absorpt_correction_T_max  0.99333
_exptl_absorpt_correction_T_min  0.98531
_exptl_absorpt_correction_type   gaussian
_exptl_absorpt_process_details   'SADABS (Bruker AXS, 2012)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.304
_exptl_crystal_description       plate
_exptl_crystal_F_000             1328
_exptl_crystal_size_max          0.14
_exptl_crystal_size_mid          0.14
_exptl_crystal_size_min          0.07
_refine_diff_density_max         0.407
_refine_diff_density_min         -0.357
_refine_diff_density_rms         0.091
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.141
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     211
_refine_ls_number_reflns         6110
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.141
_refine_ls_R_factor_all          0.1116
_refine_ls_R_factor_gt           0.0878
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0806P)^2^+12.5834P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2735
_refine_ls_wR_factor_ref         0.2854
_reflns_Friedel_coverage         0.000
_reflns_number_gt                4523
_reflns_number_total             6110
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ja7b12673_si_002.cif
_cod_data_source_block           8
_cod_database_code               4127102
_shelx_shelxl_version_number     2017/1
_shelx_res_checksum              11404
_shelx_hkl_checksum              58984