The Importance of Steric Factors in Iridium Pincer Complexes
Goldberg, Jonathan M.; Wong, Gene W.; Brastow, Kenzie E.; Kaminsky, Werner; Goldberg, Karen I.; Heinekey, D. Michael; Organometallics 34 (2015) 753–; doi:10.1021/om501166w

data_4085388
_publ_section_title
;
 The Importance of Steric Factors in Iridium Pincer Complexes
;
_journal_issue                   4
_journal_name_full               Organometallics
_journal_page_first              753
_journal_paper_doi               10.1021/om501166w
_journal_volume                  34
_journal_year                    2015
_chemical_formula_moiety         'C23 H40 Ir O3 P2, B F4'
_chemical_formula_sum            'C23 H40 B F4 Ir O3 P2'
_chemical_formula_weight         705.5
_chemical_name_common            complex_11
_chemical_name_systematic
;
 [(tBu)4(POCOP)Ir(CO)(H)]BF4
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      14
_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_conform_dict_location     ftp://ftp.iucr.org/pub/cif_core.dic
_audit_conform_dict_name         cif_core.dic
_audit_conform_dict_version      2.4
_audit_creation_date             2013-07-22T14:19:12-00:00
_audit_creation_method           'WinGX routine CIF_UPDATE'
_cell_angle_alpha                90
_cell_angle_beta                 91.365(5)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   8.3197(9)
_cell_length_b                   26.391(3)
_cell_length_c                   12.5000(13)
_cell_measurement_reflns_used    661
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      20
_cell_measurement_theta_min      3
_cell_volume                     2743.8(5)
_computing_cell_refinement       'SAINT (Bruker, 2007)'
_computing_data_collection       'APEX2 (Bruker, 2007)'
_computing_data_reduction        'SAINT (Bruker, 2007)'
_computing_molecular_graphics    'ORTEP-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Bruker APEXII CCD area-detector'
_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  0.0344
_diffrn_reflns_av_unetI/netI     0.0156
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       37
_diffrn_reflns_limit_k_min       -37
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            145206
_diffrn_reflns_theta_full        25
_diffrn_reflns_theta_max         30.68
_diffrn_reflns_theta_min         1.8
_diffrn_source                   'fine-focus sealed tube'
_exptl_absorpt_coefficient_mu    5.032
_exptl_absorpt_correction_T_max  0.8241
_exptl_absorpt_correction_T_min  0.519
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Bruker, 2007)'
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.708
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1400
_exptl_crystal_size_max          0.15
_exptl_crystal_size_mid          0.1
_exptl_crystal_size_min          0.04
_refine_diff_density_max         0.923
_refine_diff_density_min         -0.723
_refine_diff_density_rms         0.09
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.157
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     361
_refine_ls_number_reflns         8454
_refine_ls_number_restraints     126
_refine_ls_restrained_S_all      1.213
_refine_ls_R_factor_all          0.0244
_refine_ls_R_factor_gt           0.0185
_refine_ls_shift/su_max          0.1
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0102P)^2^+3.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0361
_refine_ls_wR_factor_ref         0.0382
_reflns_number_gt                7512
_reflns_number_total             8454
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            om501166w_si_002.cif
_cod_data_source_block           Complex_11
_cod_depositor_comments
'Adding full bibliography for 4085383--4085390.cif.'
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               4085388