Zirconocene-Iridium Hydrido Complexes: Arene Carbon-Hydrogen Bond Activation and Formation of a Planar Square Zr2Ir2 Complex
Masataka Oishi; Hiroharu Suzuki; Inorganic Chemistry 48 (2009) 2349–2351; doi:10.1021/ic8020113

data_4301701
_publ_section_title
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Zirconocene-Iridium Hydrido Complexes: Arene Carbon-Hydrogen Bond
Activation and Formation of a Planar Square Zr2Ir2 Complex
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              2349
_journal_page_last               2351
_journal_paper_doi               10.1021/ic8020113
_journal_volume                  48
_journal_year                    2009
_chemical_formula_sum            'C52 H68 Ir2 Zr2'
_chemical_formula_weight         1259.90
_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                   8.5007(5)
_cell_length_b                   17.2608(8)
_cell_length_c                   30.8408(17)
_cell_measurement_reflns_used    42665
_cell_measurement_temperature    233(2)
_cell_measurement_theta_max      27.87
_cell_measurement_theta_min      3.08
_cell_volume                     4525.2(4)
_computing_cell_refinement       'PROCESS-AUTO (T.Higashi, 1998)'
_computing_data_collection       'PROCESS-AUTO (T.Higashi, 1998)'
_computing_data_reduction        'PROCESS-AUTO (T.Higashi, 1998)'
_computing_molecular_graphics    'ORTEX (P.McArdle, 1995)'
_computing_publication_material  SHELXL-97
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      233(2)
_diffrn_detector_area_resol_mean 100
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Rigaku R-AXIS RAPID Imaging Plate'
_diffrn_measurement_method       'oscillation photograph'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Rigaku Rotating Anode ultraX18'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71069
_diffrn_reflns_av_R_equivalents  0.0547
_diffrn_reflns_av_sigmaI/netI    0.0474
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       40
_diffrn_reflns_limit_l_min       -40
_diffrn_reflns_number            42665
_diffrn_reflns_theta_full        27.87
_diffrn_reflns_theta_max         27.87
_diffrn_reflns_theta_min         3.08
_exptl_absorpt_coefficient_mu    6.345
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.5305
_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details   'NUMABS (T.Higashi, 1999)'
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.849
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    .
_exptl_crystal_description       block
_exptl_crystal_F_000             2456
_exptl_crystal_size_max          0.180
_exptl_crystal_size_mid          0.100
_exptl_crystal_size_min          0.060
_refine_diff_density_max         1.480
_refine_diff_density_min         -1.903
_refine_diff_density_rms         0.142
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.552(8)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.052
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     505
_refine_ls_number_reflns         10744
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.052
_refine_ls_R_factor_all          0.0489
_refine_ls_R_factor_gt           0.0418
_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^)+(0.0547P)^2^+22.2993P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1045
_refine_ls_wR_factor_ref         0.1111
_reflns_number_gt                9489
_reflns_number_total             6026
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic8020113_si_003_6.cif
_cod_data_source_block           2c
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Orthorhombic' changed to 'orthorhombic'
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_enum 1527 2010-12-29 10:47:43Z saulius 
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_cod_database_code               4301701