Chemistry of group 9 dimetallaborane analogues of octaborane(12).
Barik, Subrat Kumar; Roy, Dipak Kumar; Ghosh, Sundargopal; Dalton transactions (Cambridge, England : 2003) 44 (2015) 669–676; doi:10.1039/c4dt03027c

data_7032965
_publ_section_title
;
 Chemistry of group 9 dimetallaborane analogues of octaborane(12).
;
_journal_issue                   2
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              669
_journal_page_last               676
_journal_paper_doi               10.1039/c4dt03027c
_journal_volume                  44
_journal_year                    2015
_chemical_formula_sum            'C20 H34 B Ir2 O4'
_chemical_formula_weight         733.68
_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                 109.3220(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.4560(3)
_cell_length_b                   21.0575(6)
_cell_length_c                   11.1328(2)
_cell_measurement_reflns_used    3486
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      28.4
_cell_measurement_theta_min      2.8
_cell_volume                     2313.12(10)
_computing_cell_refinement       'APEX2/SAINT (Bruker, 2004)'
_computing_data_collection       'APEX2 (Bruker, 2004)'
_computing_data_reduction        'SAINT/XPREP (Bruker, 2004)'
_computing_molecular_graphics
'ORTEP3 (Farrugia, 1997) and Mercury (Bruno et al., 2002)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SIR92 (Altornare et al., 1993)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device_type  'Bruker xs kappa apex2 CCD Diffractometer'
_diffrn_measurement_method       '\w and \f scan'
_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  0.0447
_diffrn_reflns_av_sigmaI/netI    0.0477
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       27
_diffrn_reflns_limit_k_min       -26
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            16490
_diffrn_reflns_theta_full        28.00
_diffrn_reflns_theta_max         28.00
_diffrn_reflns_theta_min         1.93
_diffrn_standards_decay_%        0
_exptl_absorpt_coefficient_mu    11.515
_exptl_absorpt_correction_T_max  0.472
_exptl_absorpt_correction_T_min  0.322
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Bruker, 1999)'
_exptl_crystal_colour            brown
_exptl_crystal_density_diffrn    2.107
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1380
_exptl_crystal_size_max          0.15
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.10
_refine_diff_density_max         3.663
_refine_diff_density_min         -2.524
_refine_diff_density_rms         0.252
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.010
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     291
_refine_ls_number_reflns         5541
_refine_ls_number_restraints     42
_refine_ls_restrained_S_all      1.014
_refine_ls_R_factor_all          0.0486
_refine_ls_R_factor_gt           0.0364
_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^)+(0.0636P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0945
_refine_ls_wR_factor_ref         0.1020
_reflns_number_gt                4503
_reflns_number_total             5541
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4dt03027c2.cif
_cod_data_source_block           7
_cod_depositor_comments
;Adding full bibliography for 7032961--7032965.cif.

The following automatic conversions were performed:

'_symmetry_cell_setting' tag value 'monoclini' was replaced with
'monoclinic' value as specified in the replacement file
'/home/robertas/cod-tools/perl-scripts/inputs/replacement_values.lst'.

Automatic conversion script
Id: cif_fix_values 3143 2015-03-26 13:38:13Z robertas 
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_cod_original_sg_symbol_H-M      P21/c
_cod_database_code               7032965