Formation of a dihydroborole by catalytic isomerization of a divinylborane.
Adler Yañez, Raúl A; Kehr, Gerald; Daniliuc, Constantin G.; Schirmer, Birgitta; Erker, Gerhard; Dalton transactions (Cambridge, England : 2003) 43 (2014) 10794–10800; doi:10.1039/c4dt01423e

data_7030997
_publ_section_title
;
 Formation of a dihydroborole by catalytic isomerization of a
 divinylborane.
;
_journal_issue                   28
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              10794
_journal_page_last               10800
_journal_paper_doi               10.1039/c4dt01423e
_journal_volume                  43
_journal_year                    2014
_chemical_formula_sum            'C19 H7 B F10 O'
_chemical_formula_weight         452.06
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                117.035(3)
_cell_angle_beta                 93.834(3)
_cell_angle_gamma                95.053(2)
_cell_formula_units_Z            2
_cell_length_a                   7.5636(2)
_cell_length_b                   11.1442(5)
_cell_length_c                   11.3520(6)
_cell_measurement_reflns_used    2528
_cell_measurement_temperature    223(2)
_cell_measurement_theta_max      68.25
_cell_measurement_theta_min      0.88
_cell_volume                     842.81(7)
_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 (BrukerAXS, 2000)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      223(2)
_diffrn_measured_fraction_theta_full 0.956
_diffrn_measured_fraction_theta_max 0.956
_diffrn_measurement_device_type  'Nonius KappaCCD APEXII'
_diffrn_measurement_method       '\w and \f scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.036
_diffrn_reflns_av_sigmaI/netI    0.0216
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            9196
_diffrn_reflns_theta_full        66.75
_diffrn_reflns_theta_max         66.75
_diffrn_reflns_theta_min         4.49
_exptl_absorpt_coefficient_mu    1.670
_exptl_absorpt_correction_T_max  0.8508
_exptl_absorpt_correction_T_min  0.6170
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'Denzo (Otwinowski, Borek, Majewski & Minor, 2003)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.781
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             448
_exptl_crystal_size_max          0.32
_exptl_crystal_size_mid          0.24
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.242
_refine_diff_density_min         -0.240
_refine_diff_density_rms         0.047
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.037
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     280
_refine_ls_number_reflns         2852
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.037
_refine_ls_R_factor_all          0.0382
_refine_ls_R_factor_gt           0.0371
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0571P)^2^+0.2892P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0984
_refine_ls_wR_factor_ref         0.0997
_reflns_number_gt                2721
_reflns_number_total             2852
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4dt01423e2.cif
_cod_data_source_block           erk6640
_cod_depositor_comments
'Adding full bibliography for 7030994--7030997.cif.'
_cod_original_cell_volume        842.81(6)
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7030997