Formation of Cup-Shaped Metallic Clusters via B−H Activation at the B(3)/B(6) Site of anortho-Carborane-1,2-dichalcogenolato Ligand
Wang, Jian-Qiang; Herberhold, Max; Jin, Guo-Xin; Organometallics 25 (2006) 3508–; doi:10.1021/om060381a

data_4075575
_publ_section_title
;
 Formation of Cup-Shaped Metallic Clusters via B&#x2212;H Activation at
 the B(3)/B(6) Site of anortho-Carborane-1,2-dichalcogenolato Ligand
;
_journal_issue                   14
_journal_name_full               Organometallics
_journal_page_first              3508
_journal_paper_doi               10.1021/om060381a
_journal_volume                  25
_journal_year                    2006
_chemical_formula_sum            'C20 H36 B10 Ir2 S2'
_chemical_formula_weight         833.11
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           62
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2n'
_symmetry_space_group_name_H-M   'P n m 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            4
_cell_length_a                   17.969(5)
_cell_length_b                   12.700(4)
_cell_length_c                   12.078(3)
_cell_measurement_reflns_used    873
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      26.929
_cell_measurement_theta_min      2.587
_cell_volume                     2756.3(13)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SHELXTL'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and 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  0.0288
_diffrn_reflns_av_sigmaI/netI    0.0233
_diffrn_reflns_limit_h_max       21
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            11185
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         2.27
_exptl_absorpt_coefficient_mu    9.808
_exptl_absorpt_correction_T_max  0.5907
_exptl_absorpt_correction_T_min  0.3209
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    2.008
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1568
_exptl_crystal_size_max          0.15
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.06
_refine_diff_density_max         0.905
_refine_diff_density_min         -0.892
_refine_diff_density_rms         0.183
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.079
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     175
_refine_ls_number_reflns         2549
_refine_ls_number_restraints     18
_refine_ls_restrained_S_all      1.134
_refine_ls_R_factor_all          0.0291
_refine_ls_R_factor_gt           0.0241
_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^)+(0.0387P)^2^+4.1168P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0646
_refine_ls_wR_factor_ref         0.0675
_reflns_number_gt                2263
_reflns_number_total             2549
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om060381asi20060503_041511.cif
_cod_data_source_block           f50515a
_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_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      'Pnma '
_cod_database_code               4075575