Construction of trinuclear iridium clusters through ancillary ortho-carborane-1,2-diselenolato ligands, with simultaneous iridium-induced B-H activation.
Liu, Shuang; Wang, Jian-Qiang; Weng, Lin-Hong; Jin, Guo-Xin; Dalton transactions (Cambridge, England : 2003)  (2007) 3792–3797; doi:10.1039/b705366e

data_7005793
_publ_section_title
;
 Construction of trinuclear iridium clusters through ancillary
 ortho-carborane-1,2-diselenolato ligands, with simultaneous
 iridium-induced B-H activation.
;
_journal_issue                   34
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              3792
_journal_page_last               3797
_journal_paper_doi               10.1039/b705366e
_journal_year                    2007
_chemical_formula_sum            'C24 H50 B20 Ir3 O Se4'
_chemical_formula_weight         1463.28
_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                 110.007(6)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   15.223(6)
_cell_length_b                   20.797(8)
_cell_length_c                   14.135(6)
_cell_measurement_reflns_used    563
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      20.473
_cell_measurement_theta_min      2.435
_cell_volume                     4205(3)
_computing_cell_refinement       'Bruker XSCANS'
_computing_data_collection       'Bruker XSCANS'
_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      293(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Bruker P4'
_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  0.0632
_diffrn_reflns_av_sigmaI/netI    0.2233
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -24
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            20633
_diffrn_reflns_theta_full        25.01
_diffrn_reflns_theta_max         25.01
_diffrn_reflns_theta_min         1.42
_exptl_absorpt_coefficient_mu    12.958
_exptl_absorpt_correction_T_max  0.3573
_exptl_absorpt_correction_T_min  0.2467
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_density_diffrn    2.311
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             2676
_exptl_crystal_size_max          0.15
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.10
_refine_diff_density_max         2.779
_refine_diff_density_min         -1.192
_refine_diff_density_rms         0.266
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.760
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     500
_refine_ls_number_reflns         20646
_refine_ls_number_restraints     6
_refine_ls_restrained_S_all      0.760
_refine_ls_R_factor_all          0.1050
_refine_ls_R_factor_gt           0.0650
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0618P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1501
_refine_ls_wR_factor_ref         0.1596
_reflns_number_gt                5440
_reflns_number_total             7381
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b705366e.txt
_cod_data_source_block           f40920c
_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_sg_symbol_H-M      P2(1)/c
_cod_database_code               7005793