High-Nuclearity Iridium Carbonyl Clusters Containing Phenylgermyl Ligands: Synthesis, Structures, and Reactivity
Richard D. Adams; Burjor Captain; Jack L. Smith; Inorganic Chemistry 44 (2005) 1413–1420; doi:10.1021/ic0485108

data_4308670
_publ_contact_author_name        'Richard D. Adams'
_publ_section_title
;
High-Nuclearity Iridium Carbonyl Clusters Containing Phenylgermyl
Ligands: Synthesis, Structures, and Reactivity
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              1413
_journal_page_last               1420
_journal_paper_doi               10.1021/ic0485108
_journal_volume                  44
_journal_year                    2005
_chemical_formula_sum            'C64.5 H55 Cl Ge6 Ir4 O4'
_chemical_formula_weight         2133.88
_chemical_name_systematic
;
?
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 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                 103.7840(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   23.6617(10)
_cell_length_b                   14.9749(6)
_cell_length_c                   19.5807(8)
_cell_measurement_reflns_used    8911
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      28.18
_cell_measurement_theta_min      2.23
_cell_volume                     6738.3(5)
_computing_cell_refinement       'SAINT+  V6.2 (Bruker, 2001)'
_computing_data_collection       'SMART V5.625 (Bruker, 2001)'
_computing_data_reduction        'SAINT+  V6.2'
_computing_molecular_graphics    'SHELXTL V6.1 (Sheldrick, 1997)'
_computing_publication_material  'SHELXTL V6.1'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker SMART APEX CCD diffractometer'
_diffrn_measurement_method       'omega 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  0.0517
_diffrn_reflns_av_sigmaI/netI    0.0508
_diffrn_reflns_limit_h_max       28
_diffrn_reflns_limit_h_min       -28
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            54029
_diffrn_reflns_theta_full        25.03
_diffrn_reflns_theta_max         25.03
_diffrn_reflns_theta_min         0.89
_diffrn_standards_decay_%        <1
_exptl_absorpt_coefficient_mu    10.582
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.451
_exptl_absorpt_correction_type   SADABS
_exptl_absorpt_process_details   '(SADABS, Bruker, 1997)'
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    2.103
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             3964
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.10
_refine_diff_density_max         1.407
_refine_diff_density_min         -0.913
_refine_diff_density_rms         0.146
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.045
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     731
_refine_ls_number_reflns         11902
_refine_ls_number_restraints     3
_refine_ls_restrained_S_all      1.047
_refine_ls_R_factor_all          0.0391
_refine_ls_R_factor_gt           0.0296
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0361P)^2^+6.1328P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0749
_refine_ls_wR_factor_ref         0.0850
_reflns_number_gt                9936
_reflns_number_total             11902
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic0485108si20041027_105929_6.cif
_cod_data_source_block           Ir4Ge6H4
_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_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_cell_volume        6738.2(5)
_cod_original_formula_sum        'C64.50 H55 Cl Ge6 Ir4 O4'
_cod_database_code               4308670