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_4127103
_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_absolute_configuration unknown
_chemical_compound_source        dichloromethane/pentane/hexane/toluol/PhF
_chemical_formula_moiety         'C27 H35 Cl2 N2 Rh'
_chemical_formula_sum            'C27 H35 Cl2 N2 Rh'
_chemical_formula_weight         561.38
_chemical_name_systematic
;
 pentamethylcyclopentadienyl-1,1-bis(4-dimethylamino-phenyl)-methylidenyl-
 dichloro-dirhodium
;
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_block_code                WEC-WA-434_9684_100_K
_audit_creation_date             2015-10-22
_audit_creation_method           SHELXL-2014/7
_cell_angle_alpha                90
_cell_angle_beta                 108.324(7)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   12.019(4)
_cell_length_b                   17.353(6)
_cell_length_c                   12.382(4)
_cell_measurement_reflns_used    7367
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      28.5652
_cell_measurement_theta_min      2.9494
_cell_volume                     2451.5(14)
_computing_cell_refinement       'SAINT software (Bruker AXS, 2004)'
_computing_data_collection       'APEX2 (Bruker AXS, 2005-2013)'
_computing_data_reduction        'SAINT software (Bruker AXS, 2004)'
_computing_molecular_graphics    'DIAMOND (Crystal Impact GbR, 1997-2014)'
_computing_structure_refinement  'SHELXL (G. M. Sheldrick, 2013)'
_computing_structure_solution    'SHELXS (G. M. Sheldrick, 2013)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 66.67
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.989
_diffrn_measurement_device_type  'Bruker-AXS Kappa Mach3 APEX-II'
_diffrn_measurement_method       'CCD \f- and \w-scans'
_diffrn_radiation_monochromator  'Incoatec Helios mirrors'
_diffrn_radiation_source         1\mS
_diffrn_radiation_type           Mo-K\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1121
_diffrn_reflns_av_unetI/netI     0.0622
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.989
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       25
_diffrn_reflns_limit_k_min       -25
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            71889
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.989
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         31.072
_diffrn_reflns_theta_min         3.085
_exptl_absorpt_coefficient_mu    0.933
_exptl_absorpt_correction_T_max  0.98180
_exptl_absorpt_correction_T_min  0.93435
_exptl_absorpt_correction_type   gaussian
_exptl_absorpt_process_details   'SADABS (Bruker AXS, 2012)'
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.521
_exptl_crystal_description       prism
_exptl_crystal_F_000             1160
_exptl_crystal_size_max          0.137
_exptl_crystal_size_mid          0.078
_exptl_crystal_size_min          0.022
_refine_diff_density_max         1.026
_refine_diff_density_min         -1.342
_refine_diff_density_rms         0.131
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.015
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     298
_refine_ls_number_reflns         7787
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.015
_refine_ls_R_factor_all          0.0775
_refine_ls_R_factor_gt           0.0447
_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^)+(0.0502P)^2^+3.8488P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1026
_refine_ls_wR_factor_ref         0.1178
_reflns_Friedel_coverage         0.000
_reflns_number_gt                5595
_reflns_number_total             7787
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ja7b12673_si_002.cif
_cod_data_source_block           12
_cod_database_code               4127103
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.883
_shelx_estimated_absorpt_t_max   0.980
_shelx_res_checksum              76766
_shelx_hkl_checksum              55455