Borane-induced ring closure reaction of oligomethylene-linked bis-allenes
Tao, Xin; Škoch, Karel; Daniliuc, Constantin G.; Kehr, Gerald; Erker, Gerhard; Chemical Science 11 (2020) 1542–1548; doi:10.1039/C9SC03870A

data_1556653
_publ_section_title
;
 Borane-induced ring closure reaction of oligomethylene-linked bis-allenes
;
_journal_issue                   6
_journal_name_full               'Chemical Science'
_journal_page_first              1542
_journal_page_last               1548
_journal_paper_doi               10.1039/C9SC03870A
_journal_volume                  11
_journal_year                    2020
_chemical_formula_sum            'C27 H21 B F10'
_chemical_formula_weight         546.25
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           'APEX3 v2016.1-0'
_audit_update_record
;
2019-06-13 deposited with the CCDC.	2019-12-17 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 95.037(4)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   6.4255(4)
_cell_length_b                   17.4610(10)
_cell_length_c                   21.2763(13)
_cell_measurement_reflns_used    9956
_cell_measurement_temperature    100.(2)
_cell_measurement_theta_max      66.6604
_cell_measurement_theta_min      3.2800
_cell_volume                     2377.9(2)
_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    'APEX3 v2016.1-0 (Bruker AXS Inc., 2016)'
_computing_publication_material  'APEX3 v2016.1-0 (Bruker AXS Inc., 2016)'
_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 8.3333
_diffrn_measured_fraction_theta_full 0.975
_diffrn_measured_fraction_theta_max 0.975
_diffrn_measurement_device_type  'Kappa CCD APEXII'
_diffrn_measurement_method       'phi / omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0439
_diffrn_reflns_av_unetI/netI     0.0440
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            11802
_diffrn_reflns_theta_full        66.74
_diffrn_reflns_theta_max         66.74
_diffrn_reflns_theta_min         4.17
_diffrn_source                   'fine-focus sealed tube'
_diffrn_source_type              'fine-focus sealed tube'
_exptl_absorpt_coefficient_mu    1.255
_exptl_absorpt_correction_T_max  0.92
_exptl_absorpt_correction_T_min  0.77
_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    1.526
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1112
_exptl_crystal_size_max          0.200
_exptl_crystal_size_mid          0.120
_exptl_crystal_size_min          0.070
_refine_diff_density_max         0.307
_refine_diff_density_min         -0.215
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.056
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     343
_refine_ls_number_reflns         4116
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.056
_refine_ls_R_factor_all          0.0544
_refine_ls_R_factor_gt           0.0402
_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^)+(0.0423P)^2^+0.7890P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0943
_refine_ls_wR_factor_ref         0.1007
_reflns_number_gt                3248
_reflns_number_total             4116
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c9sc03870a2.cif
_cod_data_source_block           erk9518
_cod_depositor_comments
;Adding full bibliography for 1556647--1556655.cif.

 Adding full bibliography for 1556647--1556655.cif.
;
_cod_database_code               1556653
_shelx_res_checksum              51094