Synthesis, structure, and reactivity of 13-vertex carboranes and 14-vertex metallacarboranes.
Deng, Liang; Chan, Hoi-Shan; Xie, Zuowei; Journal of the American Chemical Society 128 (2006) 5219–5230; doi:10.1021/ja0605772

data_4101457
_publ_section_title
;
 Synthesis, structure, and reactivity of 13-vertex carboranes and
 14-vertex metallacarboranes.
;
_journal_issue                   15
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              5219
_journal_page_last               5230
_journal_paper_doi               10.1021/ja0605772
_journal_volume                  128
_journal_year                    2006
_chemical_formula_sum            'C26 H51 B11 Na2 O4'
_chemical_formula_weight         592.56
_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                   11.7337(6)
_cell_length_b                   24.0688(11)
_cell_length_c                   24.6327(12)
_cell_measurement_temperature    293(2)
_cell_volume                     6956.7(6)
_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      293(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
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_diffrn_reflns_av_sigmaI/netI    0.0632
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       26
_diffrn_reflns_limit_k_min       -28
_diffrn_reflns_limit_l_max       29
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            35628
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.65
_exptl_absorpt_coefficient_mu    0.088
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.9741
_exptl_absorpt_correction_type   sadabs
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.132
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             2528
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.10
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_refine_diff_density_min         -0.350
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_refine_ls_extinction_method     none
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_refine_ls_number_parameters     432
_refine_ls_number_reflns         6117
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.062
_refine_ls_R_factor_all          0.1629
_refine_ls_R_factor_gt           0.0804
_refine_ls_shift/su_max          0.013
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1668P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2211
_refine_ls_wR_factor_ref         0.2975
_reflns_number_gt                2901
_reflns_number_total             6117
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja0605772si20060125_040455.cif
_cod_data_source_block           15
_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_enum 1527 2010-12-29 10:47:43Z saulius 

2021-05-16
Z value and formula fixed to values more according to usual
chemical conventions.                 miguel
;
_cod_original_formula_sum            'C52 H102 B22 Na4 O8'
_cod_original_formula_weight         1185.12
_cod_original_formula_units_Z            4
_cod_original_sg_symbol_H-M      Pbca
_cod_database_code               4101457