Unfairly Forgotten Member of the Iodocarborane Family: Synthesis and Structural Characterization of 8-Iodo-1,2-dicarba-closo-dodecaborane, Its Precursors, and Derivatives.
Alexander V. Safronov; Yulia V. Sevryugina; Satish S. Jalisatgi; Robert D. Kennedy; Charles L. Barnes; M. Frederick Hawthorne; Inorganic Chemistry 51 (2012) 2629–2637; doi:10.1021/ic2025846

data_4328433
_publ_section_title
;
 Unfairly Forgotten Member of the Iodocarborane Family: Synthesis and
 Structural Characterization of 8-Iodo-1,2-dicarba-closo-dodecaborane, Its
 Precursors, and Derivatives.
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              2629
_journal_page_last               2637
_journal_paper_doi               10.1021/ic2025846
_journal_volume                  51
_journal_year                    2012
_chemical_formula_moiety         'C2 H11 B10 I'
_chemical_formula_sum            'C2 H11 B10 I'
_chemical_formula_weight         270.11
_chemical_name_systematic
; 
 8-iodo-ortho-carborane  
;
_space_group_IT_number           29
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2c -2ac'
_symmetry_space_group_name_H-M   'P c a 21'
_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                   13.0692(3)
_cell_length_b                   7.0568(2)
_cell_length_c                   22.1755(6)
_cell_measurement_reflns_used    9892
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      65.91
_cell_measurement_theta_min      3.99
_cell_volume                     2045.17(9)
_computing_cell_refinement       'Bruker SAINT 7.68A'
_computing_data_collection       'Bruker APEX 2010.9.1'
_computing_data_reduction        'Bruker SADABS 2008/1'
_computing_molecular_graphics    'Bruker XP 5.1'
_computing_publication_material  'Bruker XCIF 2008/2'
_computing_structure_refinement  'Bruker SHELXTL 2008/4'
_computing_structure_solution    'Bruker SHELXTL 2008/4'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker SMART APEX2 area detector'
_diffrn_measurement_method       '0.5 deg wide \w exposures'
_diffrn_radiation_monochromator  'Quazar optics'
_diffrn_radiation_source         'ImuS micro-focus source with Quazar optics'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0380
_diffrn_reflns_av_sigmaI/netI    0.0215
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            26151
_diffrn_reflns_theta_full        66.32
_diffrn_reflns_theta_max         66.32
_diffrn_reflns_theta_min         3.99
_exptl_absorpt_coefficient_mu    23.979
_exptl_absorpt_correction_T_max  0.80
_exptl_absorpt_correction_T_min  0.25
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
 Bruker SADABS 2008/1
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.754
_exptl_crystal_density_method    none
_exptl_crystal_description       plate
_exptl_crystal_F_000             1008
_exptl_crystal_size_max          0.06
_exptl_crystal_size_mid          0.04
_exptl_crystal_size_min          0.01
_refine_diff_density_max         3.814
_refine_diff_density_min         -0.323
_refine_diff_density_rms         0.143
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.028(13)
_refine_ls_extinction_coef       noref
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.031
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     245
_refine_ls_number_reflns         3601
_refine_ls_number_restraints     128
_refine_ls_restrained_S_all      1.039
_refine_ls_R_factor_all          0.0409
_refine_ls_R_factor_gt           0.0382
_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^)+(0.0793P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0943
_refine_ls_wR_factor_ref         0.0969
_reflns_number_gt                3329
_reflns_number_total             3601
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic2025846_si_001_3.cif
_cod_data_source_block           '[B10C2H11](8-I)_(7)'
_cod_database_code               4328433