Iridium Compounds with κ-P,P,Si(biPSi) Pincer Ligands: Favoring Reactive Structures in Unsaturated Complexes
Eduardo Sola; Alba García-Camprubí; José L. Andrés; Marta Martín; Pablo Plou; Journal of the American Chemical Society 132 (2010) 9111–9121; doi:10.1021/ja102479h

data_4102623
_publ_contact_author_address
;
  Dr. Marta Mart\'in
  Departamento de Qu\'imica Inorg\'anica - I.C.M.A.
  Facultad de Ciencias
  Universidad de Zaragoza - C.S.I.C.
  50009 Zaragoza, Spain
;
_publ_contact_author_email       martam@unizar.es
_publ_contact_author_fax         '+34 956 761187'
_publ_contact_author_name        'Dr. Marta Mart\'in'
_publ_contact_author_phone       '+34 976 762026'
_publ_section_title
;
 Iridium Compounds with \k-P,P,Si(biPSi) Pincer Ligands: Favoring Reactive
 Structures in Unsaturated Complexes
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              9111
_journal_page_last               9121
_journal_paper_doi               10.1021/ja102479h
_journal_volume                  132
_journal_year                    2010
_chemical_formula_moiety         'C32 H36 Br Ir O P2 Si'
_chemical_formula_sum            'C32 H36 Br Ir O P2 Si'
_chemical_formula_weight         798.78
_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     heavy
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 100.8880(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.4095(8)
_cell_length_b                   18.8397(13)
_cell_length_c                   14.1399(10)
_cell_measurement_reflns_used    6081
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      28.857
_cell_measurement_theta_min      2.370
_cell_volume                     2984.7(4)
_computing_cell_refinement       'SAINT+ v. 6.01 (Bruker AXS, 2000)'
_computing_data_collection       'SMART v. 5.611 (Bruker AXS, 2000)'
_computing_data_reduction        'SAINT+ v. 6.01 (Bruker AXS, 2000)'
_computing_molecular_graphics    'XP program, SHELXTL v6.10,Bruker2000'
_computing_publication_material  'XCIF program, SHELXTLv6.10,BrukerAXS'
_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 0.997
_diffrn_measured_fraction_theta_max 0.931
_diffrn_measurement_device_type  'Bruker SMART APEX CCD 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  0.0445
_diffrn_reflns_av_sigmaI/netI    0.0440
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       25
_diffrn_reflns_limit_k_min       -25
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            33677
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         28.92
_diffrn_reflns_theta_min         1.82
_diffrn_standards_decay_%        'no decay'
_exptl_absorpt_coefficient_mu    5.984
_exptl_absorpt_correction_T_max  0.211
_exptl_absorpt_correction_T_min  0.111
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
  SADABS: Area-Detector Absorption Correction. (1996)  Bruker-AXS 
  within SAINT+ package, v. 6.01.
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.778
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       'irregular block'
_exptl_crystal_F_000             1568
_exptl_crystal_size_max          0.36
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.26
_refine_diff_density_max         1.891
_refine_diff_density_min         -0.683
_refine_diff_density_rms         0.111
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.911
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     348
_refine_ls_number_reflns         7331
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.911
_refine_ls_R_factor_all          0.0313
_refine_ls_R_factor_gt           0.0235
_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^)+(0.0203P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0467
_refine_ls_wR_factor_ref         0.0478
_reflns_number_gt                6036
_reflns_number_total             7331
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja102479h_si_002_5.cif
_cod_data_source_block           marta71s
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               4102623