Stoichiometric and catalytic isomerization of alkenylboranes using bulky Lewis bases
Tsao, Fu An; Sathaseevan, Anson; Zhu, Hui; Grimme, Stefan; Erker, Gerhard; Stephan, Douglas W.; Chem. Commun.  (2017) –; doi:10.1039/C7CC04904H

data_7120515
_publ_section_title
;
 Stoichiometric and catalytic isomerization of alkenylboranes using bulky
 Lewis bases
;
_journal_name_full               'Chem. Commun.'
_journal_paper_doi               10.1039/C7CC04904H
_journal_year                    2017
_chemical_formula_sum            'C23 H8 B F15'
_chemical_formula_weight         580.10
_space_group_IT_number           29
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2c -2ac'
_symmetry_space_group_name_H-M   'P c a 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2017-06-21 deposited with the CCDC.
2017-08-03 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   19.592(8)
_cell_length_b                   9.749(3)
_cell_length_c                   11.697(4)
_cell_measurement_reflns_used    2105
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      23.04
_cell_measurement_theta_min      2.71
_cell_volume                     2234.2(14)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.977
_diffrn_measured_fraction_theta_max 0.977
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_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  0.0656
_diffrn_reflns_av_sigmaI/netI    0.0836
_diffrn_reflns_limit_h_max       25
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            10170
_diffrn_reflns_theta_full        27.81
_diffrn_reflns_theta_max         27.81
_diffrn_reflns_theta_min         2.09
_exptl_absorpt_coefficient_mu    0.188
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.5674
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.725
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1144
_exptl_crystal_size_max          0.12
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.221
_refine_diff_density_min         -0.238
_refine_diff_density_rms         0.061
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.4(8)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.030
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     352
_refine_ls_number_reflns         4549
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.030
_refine_ls_R_factor_all          0.0869
_refine_ls_R_factor_gt           0.0506
_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^)+(0.0528P)^2^+0.3774P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1134
_refine_ls_wR_factor_ref         0.1365
_reflns_number_gt                3044
_reflns_number_total             4549
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c7cc04904h2.cif
_cod_data_source_block           jt056_0ma_a
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' according to
/home/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 4973 2017-02-22 13:04:09Z antanas 
;
_cod_original_sg_symbol_H-M      Pca2(1)
_cod_database_code               7120515