Robust cyclometallated Ir(III) catalysts for the homogeneous hydrogenation of N-heterocycles under mild conditions
Jianjun Wu; Jonathan H. Barnard; Yi Zhang; Dinesh Talwar; Craig M. Robertson; Jianliang Xiao; Chem.Commun. 49 (2013) 7052–; doi:10.1039/c3cc44567d

data_7109570
_publ_section_title
;
 Robust cyclometallated Ir(III) catalysts for the homogeneous
 hydrogenation of N-heterocycles under mild conditions
;
_journal_name_full               Chem.Commun.
_journal_page_first              7052
_journal_paper_doi               10.1039/c3cc44567d
_journal_volume                  49
_journal_year                    2013
_chemical_formula_moiety         'C22 H23 Cl Ir N O2'
_chemical_formula_sum            'C22 H23 Cl Ir N O2'
_chemical_formula_weight         561.06
_chemical_name_systematic
;
?
;
_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_creation_date             2013-04-12
_audit_creation_method
;
Olex2 1.1
(compiled 2011.11.01 svn.r2039, GUI svn.r3906)
;
_cell_angle_alpha                90.00
_cell_angle_beta                 97.756(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.4378(8)
_cell_length_b                   14.0123(16)
_cell_length_c                   18.702(2)
_cell_measurement_reflns_used    1656
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      26.49
_cell_measurement_theta_min      2.64
_cell_volume                     1931.3(4)
_computing_data_reduction        'SAINT v7.68A (Bruker, 2009)'
_computing_molecular_graphics
;
O. V. Dolomanov, L. J. Bourhis, R. J. Gildea, J. A. K. Howard and H. Puschmann,
OLEX2: a complete structure solution, refinement and analysis program.
J. Appl. Cryst. (2009). 42, 339-341.
;
_computing_publication_material
;
O. V. Dolomanov, L. J. Bourhis, R. J. Gildea, J. A. K. Howard and H. Puschmann,
OLEX2: a complete structure solution, refinement and analysis program.
J. Appl. Cryst. (2009). 42, 339-341.
;
_computing_structure_refinement
;
olex2.refine (L.J. Bourhis, O.V. Dolomanov, R.J. Gildea, J.A.K. Howard,
H. Puschmann, in preparation, 2011)
;
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      569.3
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0368
_diffrn_reflns_av_unetI/netI     0.0245
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            24448
_diffrn_reflns_theta_full        26.51
_diffrn_reflns_theta_max         26.51
_diffrn_reflns_theta_min         1.82
_diffrn_source                   'fine-focus sealed tube'
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    7.069
_exptl_absorpt_correction_T_max  0.7454
_exptl_absorpt_correction_T_min  0.5218
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.930
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       rod
_exptl_crystal_F_000             1088
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.150
_exptl_crystal_size_min          0.10
_refine_diff_density_max         1.176
_refine_diff_density_min         -0.564
_refine_diff_density_rms         0.099
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.027
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     249
_refine_ls_number_reflns         4009
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.027
_refine_ls_R_factor_all          0.0198
_refine_ls_R_factor_gt           0.0167
_refine_ls_shift/su_max          0.005
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0166P)^2^+1.2868P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0379
_refine_ls_wR_factor_ref         0.0394
_reflns_number_gt                3684
_reflns_number_total             4009
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3cc44567d.txt
_cod_data_source_block           frm_0m_1g
_cod_database_code               7109570
_olex2_refinement_description
;
1. Fixed Uiso
At 1.2 times of:
H21 of C21, {H17A,H17B} of C17, H30 of C30, H5 of C5, H3 of C3, H15 of C15,
H27 of C27
At 1.5 times of:
{H9A,H9B,H9C} of C9, {H13A,H13B,H13C} of C13, {H19A,H19B,H19C} of C19,
{H16A,H16B,H16C} of C16, {H20A,H20B,H20C} of C20
2.a Secondary CH2 refined with riding coordinates:
C17(H17A,H17B)
2.b Aromatic/amide H refined with riding coordinates:
C15(H15), C21(H21), C27(H27), C30(H30), C3(H3), C5(H5)
2.c Idealised Me refined as rotating group:
C16(H16A,H16B,H16C), C20(H20A,H20B,H20C), C9(H9A,H9B,H9C), C13(H13A,H13B,
H13C), C19(H19A,H19B,H19C)
;