Mechanistic insight into the pyridine enhanced α-selectivity in alkyne hydrothiolation catalysed by quinolinolate‒rhodium(i)‒N-heterocyclic carbene complexes
Palacios, Laura; Di Giuseppe, Andrea; Artigas, María José; Polo, Victor; Lahoz, Fernando J.; Castarlenas, Ricardo; Pérez-Torrente, Jesús J.; Oro, Luis A.; Catal. Sci. Technol. 6 (2016) 8548–; doi:10.1039/C6CY01884J

data_1544479
_publ_section_title
;
 Mechanistic insight into the pyridine enhanced \a-selectivity in alkyne
 hydrothiolation catalysed by quinolinolate--rhodium(i)--N-heterocyclic
 carbene complexes
;
_journal_issue                   24
_journal_name_full               'Catal. Sci. Technol.'
_journal_page_first              8548
_journal_paper_doi               10.1039/C6CY01884J
_journal_volume                  6
_journal_year                    2016
_chemical_formula_moiety         'C45 H58 N3 O Rh'
_chemical_formula_sum            'C45 H58 N3 O Rh'
_chemical_formula_weight         759.85
_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   mixed
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2014/7
_audit_update_record
;
2016-06-14 deposited with the CCDC.
2016-11-04 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 103.994(2)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   11.3475(14)
_cell_length_b                   17.783(2)
_cell_length_c                   19.583(2)
_cell_measurement_reflns_used    9967
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      28.934
_cell_measurement_theta_min      2.2185
_cell_volume                     3834.4(8)
_computing_cell_refinement       'APEX2 v. 2008.4 (Bruker AXS, 2008)'
_computing_data_collection       'APEX2 v. 2008.4 (Bruker AXS, 2008)'
_computing_data_reduction        'APEX2 v. 2008.4 (Bruker AXS, 2008)'
_computing_molecular_graphics    ORTEP
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 8.26
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.929
_diffrn_measurement_device_type  'Bruker APEX DUO system'
_diffrn_measurement_method       '\w rotations with narrow frames'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0366
_diffrn_reflns_av_unetI/netI     0.0338
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.929
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -24
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            40863
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.929
_diffrn_reflns_theta_full        27.500
_diffrn_reflns_theta_max         29.501
_diffrn_reflns_theta_min         1.568
_exptl_absorpt_coefficient_mu    0.484
_exptl_absorpt_correction_T_max  0.9143
_exptl_absorpt_correction_T_min  0.7918
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
Multi-scan correction included in APEX2 package (Bruker AXS, 2008)
;
_exptl_crystal_colour            Red
_exptl_crystal_density_diffrn    1.316
_exptl_crystal_description       Block
_exptl_crystal_F_000             1608
_exptl_crystal_size_max          0.186
_exptl_crystal_size_mid          0.181
_exptl_crystal_size_min          0.134
_refine_diff_density_max         0.761
_refine_diff_density_min         -0.432
_refine_diff_density_rms         0.070
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.029
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     676
_refine_ls_number_reflns         9929
_refine_ls_number_restraints     6
_refine_ls_restrained_S_all      1.029
_refine_ls_R_factor_all          0.0460
_refine_ls_R_factor_gt           0.0323
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0392P)^2^+1.9808P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0755
_refine_ls_wR_factor_ref         0.0822
_reflns_Friedel_coverage         0.000
_reflns_number_gt                8011
_reflns_number_total             9929
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c6cy01884j2.cif
_cod_data_source_block           compnd_7
_cod_depositor_comments
'Adding full bibliography for 1544478--1544480.cif.'
_cod_database_code               1544479
_shelx_shelxl_version_number     2014/7
_shelx_res_checksum              79662