Iridium Coordination Compounds of Stanna-closo-dodecaborate
Kirchmann, Marius; Fleischhauer, Sebastian; Wesemann, Lars; Organometallics 27 (2008) 2803–; doi:10.1021/om8001679

data_4071435
_publ_section_title
;
 Iridium Coordination Compounds of Stanna-closo-dodecaborate
;
_journal_issue                   12
_journal_name_full               Organometallics
_journal_page_first              2803
_journal_paper_doi               10.1021/om8001679
_journal_volume                  27
_journal_year                    2008
_chemical_formula_moiety
'C37 H52 B22 Ir O P2 Sn2, 2(C7 H18 N), 2(C2 H3 N)'
_chemical_formula_sum            'C55 H94 B22 Ir N4 O P2 Sn2'
_chemical_formula_weight         1556.68
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           61
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c a'
_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            8
_cell_length_a                   18.7819(11)
_cell_length_b                   21.2139(11)
_cell_length_c                   35.3915(16)
_cell_measurement_temperature    173(2)
_cell_volume                     14101.3(13)
_computing_cell_refinement       'Stoe X-Area 1.26'
_computing_data_collection       'Stoe X-Area 1.26'
_computing_data_reduction        'SToe X-Area 1.26'
_computing_molecular_graphics    'ORTEP 3'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.955
_diffrn_measured_fraction_theta_max 0.955
_diffrn_measurement_device_type  'Stoe IPDS 2T'
_diffrn_measurement_method       \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  0.1188
_diffrn_reflns_av_sigmaI/netI    0.0897
_diffrn_reflns_limit_h_max       22
_diffrn_reflns_limit_h_min       -22
_diffrn_reflns_limit_k_max       25
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       36
_diffrn_reflns_limit_l_min       -39
_diffrn_reflns_number            66749
_diffrn_reflns_theta_full        25.35
_diffrn_reflns_theta_max         25.35
_diffrn_reflns_theta_min         5.68
_exptl_absorpt_coefficient_mu    2.671
_exptl_absorpt_correction_T_max  0.8068
_exptl_absorpt_correction_T_min  0.5582
_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details   'Stoe X-Red, X-Shape'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.466
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       bloc
_exptl_crystal_F_000             6216
_exptl_crystal_size_max          0.2
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.1
_refine_diff_density_max         0.836
_refine_diff_density_min         -1.381
_refine_diff_density_rms         0.147
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.135
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     786
_refine_ls_number_reflns         12335
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.135
_refine_ls_R_factor_all          0.1144
_refine_ls_R_factor_gt           0.0677
_refine_ls_shift/su_max          0.006
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0166P)^2^+119.1613P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0987
_refine_ls_wR_factor_ref         0.1107
_reflns_number_gt                8550
_reflns_number_total             12335
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om8001679-file001.cif
_cod_data_source_block           compound6
_cod_database_code               4071435