Synthesis and Reactivity of Phosphine-Quinolinolato Rhodium Complexes: Intermediacy of Vinylidene and (Amino)carbene Complexes in the Catalytic Hydroamination of Terminal Alkynes
Takano, Shotaro; Kochi, Takuya; Kakiuchi, Fumitoshi; Organometallics 35 (2016) 4112–; doi:10.1021/acs.organomet.6b00853

data_4089179
_publ_section_title
;
 Synthesis and Reactivity of Phosphine-Quinolinolato Rhodium Complexes:
 Intermediacy of Vinylidene and (Amino)carbene Complexes in the Catalytic
 Hydroamination of Terminal Alkynes
;
_journal_issue                   24
_journal_name_full               Organometallics
_journal_page_first              4112
_journal_paper_doi               10.1021/acs.organomet.6b00853
_journal_volume                  35
_journal_year                    2016
_chemical_formula_sum            'C55 H53 N2 O2 P2 Rh2'
_chemical_formula_weight         1041.75
_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_cell_setting           monoclinic
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2013
_cell_angle_alpha                90
_cell_angle_beta                 109.4450(12)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   13.3742(6)
_cell_length_b                   23.9873(8)
_cell_length_c                   14.8366(5)
_cell_measurement_reflns_used    48310
_cell_measurement_temperature    93
_cell_measurement_theta_max      27.54
_cell_measurement_theta_min      3.02
_cell_volume                     4488.3(3)
_computing_molecular_graphics    'Yadokari-XG 2009 (Wakita Nemoto et al., 2009)'
_computing_publication_material  'Yadokari-XG 2009 (Wakita,Nemoto et al., 2009)'
_computing_structure_refinement  'SHELXL-2013 (Sheldrick, 2013)'
_diffrn_ambient_temperature      93(2)
_diffrn_measured_fraction_theta_full 0.969
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Rigaku R-AXIS RAPID'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.0361
_diffrn_reflns_av_unetI/netI     0.0218
_diffrn_reflns_Laue_measured_fraction_full 0.969
_diffrn_reflns_Laue_measured_fraction_max 0.996
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       28
_diffrn_reflns_limit_k_min       -28
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            55705
_diffrn_reflns_point_group_measured_fraction_full 0.969
_diffrn_reflns_point_group_measured_fraction_max 0.996
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         24.997
_diffrn_reflns_theta_min         3.017
_exptl_absorpt_coefficient_mu    0.853
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.8507
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
Higashi, T. (1995). Program for Absorption Correction.
Rigaku Corporation, Tokyo, Japan
;
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.542
_exptl_crystal_description       block
_exptl_crystal_F_000             2132
_exptl_crystal_size_max          0.600
_exptl_crystal_size_mid          0.100
_exptl_crystal_size_min          0.100
_refine_diff_density_max         0.730
_refine_diff_density_min         -1.577
_refine_diff_density_rms         0.095
_refine_ls_extinction_method     none
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_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     569
_refine_ls_number_reflns         7871
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.069
_refine_ls_R_factor_all          0.0402
_refine_ls_R_factor_gt           0.0350
_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^)+(0.0405P)^2^+10.5804P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0876
_refine_ls_wR_factor_ref         0.0911
_reflns_Friedel_coverage         0.000
_reflns_number_gt                7100
_reflns_number_total             7871
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            om6b00853_si_001.cif
_cod_data_source_block           2
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               4089179
_shelx_estimated_absorpt_t_min   0.629
_shelx_estimated_absorpt_t_max   0.920
_shelxl_version_number           2013-3
_shelx_res_checksum              17482
_shelx_hkl_checksum              93750