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_7123939
_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            'C22 H9 B F10'
_chemical_formula_weight         474.10
_space_group_crystal_system      orthorhombic
_space_group_IT_number           19
_space_group_name_Hall           'P 2ac 2ab'
_space_group_name_H-M_alt        'P 21 21 21'
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_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                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   7.3604(4)
_cell_length_b                   11.9863(7)
_cell_length_c                   21.4524(13)
_cell_measurement_reflns_used    9270
_cell_measurement_temperature    100.(2)
_cell_measurement_theta_max      25.7963
_cell_measurement_theta_min      2.5482
_cell_volume                     1892.62(19)
_computing_cell_refinement       'SAINT V8.37A (Bruker AXS Inc., 2015)'
_computing_data_collection
;
APEX3 v2016.1-0 (Bruker AXS Inc., 2016)
;
_computing_data_reduction        'SAINT V8.37A (Bruker AXS Inc., 2015)'
_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      100.(2)
_diffrn_detector_area_resol_mean 10.4167
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker D8 Venture PHOTON 100 CMOS'
_diffrn_measurement_method       'omega and phi scans'
_diffrn_radiation_monochromator  'MX mirror'
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1184
_diffrn_reflns_av_unetI/netI     0.0490
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            39378
_diffrn_reflns_theta_full        25.03
_diffrn_reflns_theta_max         25.03
_diffrn_reflns_theta_min         2.55
_diffrn_source                   'Mo ImS'
_diffrn_source_type              'micro focus tube'
_exptl_absorpt_coefficient_mu    0.165
_exptl_absorpt_correction_T_max  0.99
_exptl_absorpt_correction_T_min  0.91
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
Bruker AXS (2014). SADABS, Version 2014/5, Bruker AXS Inc., Madison, Wisconsin,
USA.
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.664
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             944
_exptl_crystal_size_max          0.135
_exptl_crystal_size_mid          0.117
_exptl_crystal_size_min          0.073
_refine_diff_density_max         0.216
_refine_diff_density_min         -0.270
_refine_ls_abs_structure_details
;
Flack x determined using 979 quotients [(I+)-(I-)]/[(I+)+(I-)]
(Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   -0.7(4)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.160
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     391
_refine_ls_number_reflns         3336
_refine_ls_number_restraints     257
_refine_ls_restrained_S_all      1.129
_refine_ls_R_factor_all          0.0763
_refine_ls_R_factor_gt           0.0589
_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^)+3.0928P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1038
_refine_ls_wR_factor_ref         0.1095
_reflns_number_gt                2793
_reflns_number_total             3336
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c9cc04199k2.cif
_cod_data_source_block           erk9187
_cod_database_code               7123939
_shelx_res_checksum              37963