Four-Coordinate Iridium(I) Monohydrides: Reversible Dinitrogen Binding, Bond Activations, and Deprotonations
Matthew D. Millard; Curtis E. Moore; Arnold L. Rheingold; Joshua S. Figueroa; Journal of the American Chemical Society 132 (2010) 8921–8923; doi:10.1021/ja1037808

data_4102640
_publ_section_title
;
 Four-Coordinate Iridium(I) Monohydrides: Reversible Dinitrogen Binding,
 Bond Activations, and Deprotonations
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              8921
_journal_page_last               8923
_journal_paper_doi               10.1021/ja1037808
_journal_volume                  132
_journal_year                    2010
_chemical_formula_sum            'C38 H72 Ir Li O P2'
_chemical_formula_weight         806.04
_chemical_name_common
'[Li(Et2O)][HIr(kappa-2-C,P-(P(CH2Ad)(i-Pr)2))(P(CH2Ad)(i-Pr)2)'
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.918(3)
_cell_length_b                   16.463(5)
_cell_length_c                   21.628(7)
_cell_measurement_reflns_used    9898
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      25.19
_cell_measurement_theta_min      2.25
_cell_volume                     3887(2)
_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, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.988
_diffrn_measured_fraction_theta_max 0.979
_diffrn_measurement_device_type  'Bruker APEX CCD'
_diffrn_measurement_method       '\f and \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  0.1109
_diffrn_reflns_av_sigmaI/netI    0.0641
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -5
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            35873
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.31
_diffrn_reflns_theta_min         1.55
_exptl_absorpt_coefficient_mu    3.543
_exptl_absorpt_correction_T_max  0.6185
_exptl_absorpt_correction_T_min  0.5232
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            'Brick Red'
_exptl_crystal_density_diffrn    1.377
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Plate
_exptl_crystal_F_000             1672
_exptl_crystal_size_max          0.21
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.15
_refine_diff_density_max         3.148
_refine_diff_density_min         -2.581
_refine_diff_density_rms         0.151
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.318(10)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.046
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     403
_refine_ls_number_reflns         6947
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.046
_refine_ls_R_factor_all          0.0514
_refine_ls_R_factor_gt           0.0437
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0617P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1050
_refine_ls_wR_factor_ref         0.1116
_reflns_number_gt                6214
_reflns_number_total             6947
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja1037808_si_002_07.cif
_cod_data_source_block           jfig171
_cod_database_code               4102640