ONO Dianionic Pincer-Type Ligand Precursors for the Synthesis of σ,π-Cyclooctenyl Iridium(III) Complexes: Formation Mechanism and Coordination Chemistry
Nguyen, Duc Hanh; Greger, Ingo; Pérez-Torrente, Jesús J.; Jiménez, M. Victoria; Modrego, F. Javier; Lahoz, Fernando J.; Oro, Luis A.; Organometallics 32 (2013) 6903–; doi:10.1021/om400767d

data_4081906
_publ_section_title
;
 ONO Dianionic Pincer-Type Ligand Precursors for the Synthesis of
 \s,\p-Cyclooctenyl Iridium(III) Complexes: Formation Mechanism and
 Coordination Chemistry
;
_journal_issue                   23
_journal_name_full               Organometallics
_journal_page_first              6903
_journal_paper_doi               10.1021/om400767d
_journal_volume                  32
_journal_year                    2013
_chemical_formula_moiety         'C84 H130 Ir4 N2 O8, 2(C H4 O)'
_chemical_formula_sum            'C86 H138 Ir4 N2 O10'
_chemical_formula_weight         2128.78
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           86
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_Hall  '-P 4bc'
_symmetry_space_group_name_H-M   'P 42/n :2'
_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                   16.7340(7)
_cell_length_b                   16.7340(7)
_cell_length_c                   28.8823(12)
_cell_measurement_reflns_used    31744
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      30.2675
_cell_measurement_theta_min      2.434
_cell_volume                     8087.8(6)
_computing_cell_refinement       'APEX2 v. 2009.7 (Bruker AXS, 2008)'
_computing_data_collection       'APEX2 v. 2009.7 (Bruker AXS, 2008)'
_computing_data_reduction        'APEX2 v. 2009.7 (Bruker AXS, 2008)'
_computing_molecular_graphics    ORTEP
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_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 0.999
_diffrn_measured_fraction_theta_max 0.960
_diffrn_measurement_device_type  'Bruker APEX DUO 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  0.0323
_diffrn_reflns_av_sigmaI/netI    0.0205
_diffrn_reflns_limit_h_max       23
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       40
_diffrn_reflns_limit_l_min       -40
_diffrn_reflns_number            94357
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         30.53
_diffrn_reflns_theta_min         1.72
_diffrn_standards_decay_%        0.0
_exptl_absorpt_coefficient_mu    6.619
_exptl_absorpt_correction_T_max  0.4280
_exptl_absorpt_correction_T_min  0.2419
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
; 
 Multi-scan correction included in APEX2 package (Bruker AXS, 2008)
;
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.748
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             4224
_exptl_crystal_size_max          0.329
_exptl_crystal_size_mid          0.127
_exptl_crystal_size_min          0.096
_refine_diff_density_max         1.870
_refine_diff_density_min         -0.521
_refine_diff_density_rms         0.131
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.069
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     716
_refine_ls_number_reflns         11887
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.069
_refine_ls_R_factor_all          0.0407
_refine_ls_R_factor_gt           0.0256
_refine_ls_shift/su_max          0.006
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0348P)^2^+13.7100P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0639
_refine_ls_wR_factor_ref         0.0713
_reflns_number_gt                9290
_reflns_number_total             11887
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om400767d_si_002.cif
_cod_data_source_block           compound_7
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Tetragonal' changed to 'tetragonal'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_sg_symbol_H-M      'P 42/n'
_cod_database_code               4081906