Activation of ethylene and ammonia at iridium: C‒H versus N‒H oxidative addition
Salomon, Marcel Ahijado; Jungton, Ann-Katrin; Braun, Thomas; Dalton Transactions  (2009) 7669–7677; doi:10.1039/b906189d

data_7002255
_publ_section_title
;
 Activation of ethylene and ammonia at iridium: C--H versus N--H
 oxidative addition
;
_journal_issue                   37
_journal_name_full               'Dalton Transactions'
_journal_page_first              7669
_journal_page_last               7677
_journal_paper_doi               10.1039/b906189d
_journal_year                    2009
_chemical_formula_moiety         'C20 H35 F4 Ir N3 O4 P, C6 H6'
_chemical_formula_sum            'C26 H41 F4 Ir N3 O4 P'
_chemical_formula_weight         758.79
_chemical_name_systematic
;
?
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_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_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 93.574(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.7140(3)
_cell_length_b                   13.1461(3)
_cell_length_c                   21.3446(5)
_cell_measurement_reflns_used    5000
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      25
_cell_measurement_theta_min      5
_cell_volume                     3000.48(13)
_computing_cell_refinement       'X-AREA (Stoe & Cie, 2002)'
_computing_data_collection       'X-AREA (Stoe & Cie, 2002)'
_computing_data_reduction        'X-RED (Stoe & Cie, 2002)'
_computing_molecular_graphics    'DIAMOND (Brandenburg & Berndt, 1999)'
_computing_publication_material  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR2004 (Burla et al., 2005)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 6.67
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device       'Stoe IPDS-2t diffractometer'
_diffrn_measurement_method       '\w-rotation,\w-incr.=1\%,332 exposures'
_diffrn_radiation_collimation    '0.5 mm diameter monocapillary'
_diffrn_radiation_monochromator  'planar graphite'
_diffrn_radiation_source         'long fine focus sealed X-ray tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1414
_diffrn_reflns_av_sigmaI/netI    0.1249
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       29
_diffrn_reflns_limit_l_min       -29
_diffrn_reflns_number            49585
_diffrn_reflns_theta_full        29.00
_diffrn_reflns_theta_max         29.00
_diffrn_reflns_theta_min         3.34
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    4.563
_exptl_absorpt_correction_T_max  0.6105
_exptl_absorpt_correction_T_min  0.4622
_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details
;
The crystal faces were indexed by microscope on the diffractometer. After
that a numerical absorption correction basing on a Gaussian algorithsm
was applied, which is implemented in the X-RED program (Stoe, 2002).
;
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.680
_exptl_crystal_density_method    none
_exptl_crystal_description       block
_exptl_crystal_F_000             1512
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.12
_refine_diff_density_max         2.812
_refine_diff_density_min         -2.805
_refine_diff_density_rms         0.163
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.836
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     351
_refine_ls_number_reflns         7955
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.836
_refine_ls_R_factor_all          0.1059
_refine_ls_R_factor_gt           0.0436
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0231P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0653
_refine_ls_wR_factor_ref         0.0762
_reflns_number_gt                4591
_reflns_number_total             7955
_reflns_threshold_expression     I>2sigma(I)
_cod_data_source_file            b906189d.txt
_cod_data_source_block           d:\ziemer\akaju7_complex5
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               7002255