Iridium-mediated regioselective B-h/c-h activation of carborane cage: a facile synthetic route to metallacycles with a carborane backbone.
Yao, Zi-Jian; Yu, Wei-Bin; Lin, Yue-Jian; Huang, Sheng-Li; Li, Zhen-Hua; Jin, Guo-Xin; Journal of the American Chemical Society 136 (2014) 2825–2832; doi:10.1021/ja4115665

data_4120498
_publ_section_title
;
 Iridium-mediated regioselective B-h/c-h activation of carborane cage: a
 facile synthetic route to metallacycles with a carborane backbone.
;
_journal_issue                   7
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              2825
_journal_page_last               2832
_journal_paper_doi               10.1021/ja4115665
_journal_volume                  136
_journal_year                    2014
_chemical_formula_sum            'C62 H84 B20 Ir4 N4 O16'
_chemical_formula_weight         2126.33
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
_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                 104.703(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   9.0176(6)
_cell_length_b                   26.3822(13)
_cell_length_c                   17.6070(10)
_cell_measurement_reflns_used    5341
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      67.25
_cell_measurement_theta_min      3.09
_cell_volume                     4051.6(4)
_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, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.939
_diffrn_measured_fraction_theta_max 0.939
_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           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.1344
_diffrn_reflns_av_sigmaI/netI    0.1349
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       27
_diffrn_reflns_limit_k_min       -29
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            15598
_diffrn_reflns_theta_full        58.01
_diffrn_reflns_theta_max         58.01
_diffrn_reflns_theta_min         3.09
_diffrn_standards_decay_%        7.30
_exptl_absorpt_coefficient_mu    12.914
_exptl_absorpt_correction_T_max  0.6261
_exptl_absorpt_correction_T_min  0.1821
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.743
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             2040
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.07
_exptl_crystal_size_min          0.04
_refine_diff_density_max         4.813
_refine_diff_density_min         -3.864
_refine_diff_density_rms         0.567
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.197
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     411
_refine_ls_number_reflns         5299
_refine_ls_number_restraints     78
_refine_ls_restrained_S_all      1.192
_refine_ls_R_factor_all          0.1562
_refine_ls_R_factor_gt           0.1081
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.2000P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2692
_refine_ls_wR_factor_ref         0.3128
_reflns_number_gt                3878
_reflns_number_total             5299
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja4115665_si_001.cif
_cod_data_source_block           complex_5
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/usr/data/users/saulius/automatic-downloads/current/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2281 2013-09-26 08:29:07Z andrius 
;
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               4120498