1,1-Carboboration to tellurium-boron intramolecular frustrated Lewis pairs.
Tsao, Fu An; Stephan, Douglas W.; Dalton transactions (Cambridge, England : 2003) 44 (2015) 71–74; doi:10.1039/c4dt03241a

data_7033112
_publ_section_title
;
 1,1-Carboboration to tellurium-boron intramolecular frustrated Lewis
 pairs.
;
_journal_issue                   1
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              71
_journal_page_last               74
_journal_paper_doi               10.1039/c4dt03241a
_journal_volume                  44
_journal_year                    2015
_chemical_formula_sum            'C34 H14 B F15 I2 Te'
_chemical_formula_weight         1099.66
_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                 96.781(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   14.3384(15)
_cell_length_b                   19.7349(18)
_cell_length_c                   12.5751(13)
_cell_measurement_temperature    149(2)
_cell_volume                     3533.4(6)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      149(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_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  0.0273
_diffrn_reflns_av_sigmaI/netI    0.0129
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            49755
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.76
_exptl_absorpt_coefficient_mu    2.695
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.5966
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    2.074
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             2073
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.03
_refine_diff_density_max         0.628
_refine_diff_density_min         -0.948
_refine_diff_density_rms         0.079
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.169
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     478
_refine_ls_number_reflns         6211
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.169
_refine_ls_R_factor_all          0.0268
_refine_ls_R_factor_gt           0.0246
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0106P)^2^+10.3254P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0533
_refine_ls_wR_factor_ref         0.0547
_reflns_number_gt                5873
_reflns_number_total             6211
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4dt03241a2.cif
_cod_data_source_block           jt011_0ma
_cod_depositor_comments
'Adding full bibliography for 7033111--7033113.cif.'
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               7033112