C,C'-bis(benzodiazaborolyl)dicarba-closo-dodecaboranes: synthesis, structures, photophysics and electrochemistry.
Weber, Lothar; Kahlert, Jan; Brockhinke, Regina; Böhling, Lena; Halama, Johannes; Brockhinke, Andreas; Stammler, Hans-Georg; Neumann, Beate; Nervi, Carlo; Harder, Rachel A.; Fox, Mark A.; Dalton transactions (Cambridge, England : 2003) 42 (2013) 10982–10996; doi:10.1039/c3dt51125a

data_7023269
_publ_section_title
;
 C,C'-bis(benzodiazaborolyl)dicarba-closo-dodecaboranes: synthesis,
 structures, photophysics and electrochemistry.
;
_journal_issue                   30
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              10982
_journal_page_last               10996
_journal_paper_doi               10.1039/c3dt51125a
_journal_volume                  42
_journal_year                    2013
_chemical_formula_moiety         'C38 H38 B12 N4'
_chemical_formula_sum            'C38 H38 B12 N4'
_chemical_formula_weight         680.44
_chemical_name_systematic        ?
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/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                 100.629(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   17.0270(8)
_cell_length_b                   11.1965(6)
_cell_length_c                   19.2084(10)
_cell_measurement_reflns_used    6644
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      25.028
_cell_measurement_theta_min      2.910
_cell_volume                     3599.1(3)
_computing_cell_refinement       'HKL Scalepack (Otwinowski & Minor 1997)'
_computing_data_collection       'Collect, Bruker AXS, 2004'
_computing_data_reduction
'Denzo and Scalepack (Otwinowski & Minor, 1997)'
_computing_molecular_graphics    'SHELXTL-PLUS (1990)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  KappaCCD
_diffrn_measurement_method       CCD
_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  0.049
_diffrn_reflns_av_sigmaI/netI    0.0535
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -20
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            11323
_diffrn_reflns_theta_full        24.99
_diffrn_reflns_theta_max         24.99
_diffrn_reflns_theta_min         2.91
_exptl_absorpt_coefficient_mu    0.069
_exptl_absorpt_correction_T_max  0.9932
_exptl_absorpt_correction_T_min  0.9877
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'Denzo and Scalepack (Otwinowski & Minor, 1997)'
_exptl_crystal_colour            Colourless
_exptl_crystal_density_diffrn    1.256
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       fragment
_exptl_crystal_F_000             1416
_exptl_crystal_size_max          0.18
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.209
_refine_diff_density_min         -0.189
_refine_diff_density_rms         0.038
_refine_ls_extinction_coef       0.0052(5)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.025
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     238
_refine_ls_number_reflns         3164
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.025
_refine_ls_R_factor_all          0.0777
_refine_ls_R_factor_gt           0.0499
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0495P)^2^+2.3146P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1110
_refine_ls_wR_factor_ref         0.1248
_reflns_number_gt                2252
_reflns_number_total             3164
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3dt51125a.txt
_cod_data_source_block           compound19
_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 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               7023269