Arylallenes and the Halogeno-B(C6F5)2 Reagents: Facile Formation of 2-Borylindenes
Tao, Xin; Daniliuc, Constantin Gabriel; Soloviova, Kateryna; Strassert, Cristian Alejandro; Kehr, Gerald; Erker, Gerhard; Chemical Communications  (2019) –; doi:10.1039/C9CC04199K

data_7123941
_publ_section_title
;
 Arylallenes and the Halogeno-B(C6F5)2 Reagents: Facile Formation of
 2-Borylindenes
;
_journal_name_full               'Chemical Communications'
_journal_paper_doi               10.1039/C9CC04199K
_journal_year                    2019
_chemical_formula_sum            'C39 H10 B2 F20'
_chemical_formula_weight         880.09
_space_group_crystal_system      monoclinic
_space_group_IT_number           9
_space_group_name_Hall           'C -2yc'
_space_group_name_H-M_alt        'C 1 c 1'
_symmetry_space_group_name_Hall  'C -2yc'
_symmetry_space_group_name_H-M   'C 1 c 1'
_atom_sites_solution_hydrogens   mixed
_audit_creation_method           'APEX3 v2016.1-0'
_audit_update_record
;
2019-04-03 deposited with the CCDC.    2019-07-30 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 104.0370(10)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   16.3020(4)
_cell_length_b                   31.6317(11)
_cell_length_c                   6.8859(3)
_cell_measurement_reflns_used    3370
_cell_measurement_temperature    173.(2)
_cell_measurement_theta_max      28.28
_cell_measurement_theta_min      4.08
_cell_volume                     3444.8(2)
_computing_cell_refinement       'Collect (Nonius B.V., 1998)'
_computing_data_collection
;
Collect (Nonius B.V., 1998)
;
_computing_data_reduction        'Denzo-SMN (Otwinowski & Minor, 1997)'
_computing_molecular_graphics    'XP (Sheldrick, 2014)'
_computing_publication_material  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXL-2014/7 (Sheldrick, 2014)'
_diffrn_ambient_temperature      173.(2)
_diffrn_measured_fraction_theta_full 0.990
_diffrn_measured_fraction_theta_max 0.990
_diffrn_measurement_device_type  'rotating anode Nonius FR591'
_diffrn_measurement_method       'omega and phi scans'
_diffrn_radiation_monochromator  'Montel mirror'
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0520
_diffrn_reflns_av_unetI/netI     0.0619
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       34
_diffrn_reflns_limit_k_min       -37
_diffrn_reflns_limit_l_max       8
_diffrn_reflns_limit_l_min       -8
_diffrn_reflns_number            12523
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         4.08
_diffrn_source                   'Mo rotating anode'
_diffrn_source_type              'Mo rotating anode'
_exptl_absorpt_coefficient_mu    0.174
_exptl_absorpt_correction_T_max  1.00
_exptl_absorpt_correction_T_min  0.98
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'Denzo (Otwinowski, Borek, Majewski & Minor, 2003)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.697
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1736
_exptl_crystal_size_max          0.100
_exptl_crystal_size_mid          0.070
_exptl_crystal_size_min          0.020
_refine_diff_density_max         0.254
_refine_diff_density_min         -0.260
_refine_ls_abs_structure_details
;
Refined as an inversion twin.
;
_refine_ls_abs_structure_Flack   0.2(17)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.145
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     659
_refine_ls_number_reflns         5579
_refine_ls_number_restraints     340
_refine_ls_restrained_S_all      1.131
_refine_ls_R_factor_all          0.1235
_refine_ls_R_factor_gt           0.0810
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+19.5099P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1371
_refine_ls_wR_factor_ref         0.1623
_reflns_number_gt                4058
_reflns_number_total             5579
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c9cc04199k2.cif
_cod_data_source_block           erk9249
_cod_database_code               7123941
_shelx_res_checksum              29510