Base-free transfer hydrogenation of aryl-ketones, alkyl-ketones and alkenones catalyzed by an IrIIICp* complex bearing a triazenide ligand functionalized with pyrazole
Medrano-Castillo, Layla J.; Collazo-Flores, Miguel Á.; Camarena-Díaz, Juan P.; Correa-Ayala, Erick; Chávez, Daniel; Grotjahn, Douglas B.; Rheingold, Arnold L.; Miranda-Soto, Valentín; Parra-Hake, Miguel; Inorganica Chimica Acta 507 (2020) 119551–; doi:10.1016/j.ica.2020.119551

data_1564725
_publ_section_title
;
 Base-free transfer hydrogenation of aryl-ketones, alkyl-ketones and
 alkenones catalyzed by an IrIIICp* complex bearing a triazenide ligand
 functionalized with pyrazole
;
_journal_name_full               'Inorganica Chimica Acta'
_journal_page_first              119551
_journal_paper_doi               10.1016/j.ica.2020.119551
_journal_volume                  507
_journal_year                    2020
_chemical_formula_moiety         'C21 H27 Cl Ir N5'
_chemical_formula_sum            'C21 H27 Cl Ir N5'
_chemical_formula_weight         577.13
_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_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 118.671(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   18.5347(13)
_cell_length_b                   7.4472(5)
_cell_length_c                   17.8595(12)
_cell_measurement_reflns_used    3806
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      25.25
_cell_measurement_theta_min      2.50
_cell_volume                     2162.9(3)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_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  0.0504
_diffrn_reflns_av_sigmaI/netI    0.0518
_diffrn_reflns_limit_h_max       23
_diffrn_reflns_limit_h_min       -23
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            15651
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         26.46
_diffrn_reflns_theta_min         2.28
_exptl_absorpt_coefficient_mu    6.313
_exptl_absorpt_correction_T_max  0.7863
_exptl_absorpt_correction_T_min  0.5709
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.772
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       BLOCK
_exptl_crystal_F_000             1128
_exptl_crystal_size_max          0.10
_exptl_crystal_size_mid          0.06
_exptl_crystal_size_min          0.04
_refine_diff_density_max         2.525
_refine_diff_density_min         -1.044
_refine_diff_density_rms         0.155
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.018
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     260
_refine_ls_number_reflns         4461
_refine_ls_number_restraints     6
_refine_ls_restrained_S_all      1.018
_refine_ls_R_factor_all          0.0494
_refine_ls_R_factor_gt           0.0319
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0251P)^2^+1.5489P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0581
_refine_ls_wR_factor_ref         0.0627
_reflns_number_gt                3540
_reflns_number_total             4461
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ICA-2020-507-119551.cif
_cod_data_source_block           grot422
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_symmetry_cell_setting' value 'Monoclinic' was changed to
'monoclinic' in accordance with the built-in table derived from the
CIF Core dictionary named 'cif_core.dic' version 2.4.5 last updated
on 2014-11-21.

Automatic conversion script
Id: cif_fix_values 8369 2020-08-20 11:38:08Z andrius 
;
_cod_original_sg_symbol_Hall     ' -P 2ybc '
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               1564725