High-Yield Syntheses and Reactivity Studies of 1,2-Diborylated and 1,2,4,5-Tetraborylated Benzenes
Seven, Ömer; Bolte, Michael; Lerner, Hans-Wolfram; Wagner, Matthias; Organometallics 33 (2014) 1291–; doi:10.1021/om500104w

data_4082683
_publ_section_title
;
 High-Yield Syntheses and Reactivity Studies of 1,2-Diborylated and
 1,2,4,5-Tetraborylated Benzenes
;
_journal_issue                   5
_journal_name_full               Organometallics
_journal_page_first              1291
_journal_paper_doi               10.1021/om500104w
_journal_volume                  33
_journal_year                    2014
_chemical_formula_moiety         'C32 H58 B4 Li2 O6'
_chemical_formula_sum            'C32 H58 B4 Li2 O6'
_chemical_formula_weight         595.90
_chemical_name_systematic        ?
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   mixed
_audit_creation_method           SHELXL-2013
_cell_angle_alpha                87.243(6)
_cell_angle_beta                 67.938(6)
_cell_angle_gamma                67.074(6)
_cell_formula_units_Z            2
_cell_length_a                   11.0407(8)
_cell_length_b                   13.5559(11)
_cell_length_c                   14.4597(11)
_cell_measurement_reflns_used    28865
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      26.0
_cell_measurement_theta_min      3.3
_cell_volume                     1835.0(3)
_computing_cell_refinement       'X-Area (Stoe & Cie, 2001)'
_computing_data_collection       'X-Area (Stoe & Cie, 2001)'
_computing_data_reduction        'X-Area (Stoe & Cie, 2001)'
_computing_molecular_graphics    'XP in SHELXTL-Plus (Sheldrick, 2008)'
_computing_publication_material  SHELXL97
_computing_structure_refinement  'SHELXL (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS (Sheldrick, 2008)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.981
_diffrn_measurement_device_type  'STOE IPDS II two-circle-diffractometer'
_diffrn_measurement_method       \w
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0806
_diffrn_reflns_av_unetI/netI     0.0507
_diffrn_reflns_Laue_measured_fraction_full 0.997
_diffrn_reflns_Laue_measured_fraction_max 0.981
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            30046
_diffrn_reflns_point_group_measured_fraction_full 0.997
_diffrn_reflns_point_group_measured_fraction_max 0.981
_diffrn_reflns_theta_full        25.000
_diffrn_reflns_theta_max         25.731
_diffrn_reflns_theta_min         3.285
_diffrn_source                   'Genix 3D I\mS microfocus X-ray source'
_exptl_absorpt_coefficient_mu    0.069
_exptl_absorpt_correction_T_max  0.977
_exptl_absorpt_correction_T_min  0.976
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'X-Area (Stoe & Cie, 2001)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.079
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             648
_exptl_crystal_size_max          0.350
_exptl_crystal_size_mid          0.340
_exptl_crystal_size_min          0.340
_refine_diff_density_max         0.259
_refine_diff_density_min         -0.274
_refine_diff_density_rms         0.042
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.028
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     421
_refine_ls_number_reflns         6889
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.028
_refine_ls_R_factor_all          0.0656
_refine_ls_R_factor_gt           0.0492
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0694P)^2^+0.3064P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1203
_refine_ls_wR_factor_ref         0.1281
_reflns_Friedel_coverage         0.000
_reflns_number_gt                5497
_reflns_number_total             6889
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            om500104w_si_001.cif
_cod_data_source_block           wa1749
_cod_database_code               4082683
_shelx_estimated_absorpt_t_min   0.976
_shelx_estimated_absorpt_t_max   0.977
_shelxl_version_number           2013-3
_shelx_res_checksum              69238