Electronic and Steric Effects in the Insertion of Alkynes into an Iridium(III) Hydride
Li, Xingwei; Vogel, Tiffany; Incarvito, Christopher D.; Crabtree, Robert H.; Organometallics 24 (2005) 62–; doi:10.1021/om049271z

data_4075743
_publ_section_title
;
 Electronic and Steric Effects in the Insertion of Alkynes into an
 Iridium(III) Hydride
;
_journal_issue                   1
_journal_name_full               Organometallics
_journal_page_first              62
_journal_paper_doi               10.1021/om049271z
_journal_volume                  24
_journal_year                    2005
_chemical_formula_sum            'C50 H44 F6 Ir O3 P2 Sb'
_chemical_formula_weight         1182.74
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           5
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'C 2y'
_symmetry_space_group_name_H-M   'C 1 2 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                 107.35(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   25.032(5)
_cell_length_b                   14.670(3)
_cell_length_c                   13.062(3)
_cell_measurement_temperature    173(2)
_cell_volume                     4578.4(18)
_computing_cell_refinement       Denzo
_computing_data_collection       'Nonius Collect'
_computing_data_reduction        Denzo
_computing_molecular_graphics    XP
_computing_publication_material  XCIF
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Nonius KappaCCD'
_diffrn_measurement_method       '\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  0.0000
_diffrn_reflns_av_sigmaI/netI    0.0628
_diffrn_reflns_limit_h_max       33
_diffrn_reflns_limit_h_min       -33
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            9690
_diffrn_reflns_theta_full        28.30
_diffrn_reflns_theta_max         28.30
_diffrn_reflns_theta_min         2.69
_exptl_absorpt_coefficient_mu    3.630
_exptl_absorpt_correction_T_max  0.7129
_exptl_absorpt_correction_T_min  0.6120
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            'pale yellow'
_exptl_crystal_density_diffrn    1.716
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             2320
_exptl_crystal_size_max          0.15
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.601
_refine_diff_density_min         -1.782
_refine_diff_density_rms         0.128
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.002(4)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.043
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     597
_refine_ls_number_reflns         9690
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.043
_refine_ls_R_factor_all          0.0489
_refine_ls_R_factor_gt           0.0359
_refine_ls_shift/su_max          0.142
_refine_ls_shift/su_mean         0.007
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0300P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0684
_refine_ls_wR_factor_ref         0.0726
_reflns_number_gt                8394
_reflns_number_total             9690
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om049271zsi20040918_080327.cif
_cod_data_source_block           xl07
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_cell_volume        4578.5(16)
_cod_original_sg_symbol_H-M      C2
_cod_database_code               4075743