Reduction of base-stabilized difluoroboranes to induce rearrangement reactions
Yamashita, Makoto; Aramaki, Yoshitaka; Nozaki, Kyoko; New Journal of Chemistry 34 (2010) 1774–; doi:10.1039/c0nj00363h

data_7053650
_publ_section_title
;
 Reduction of base-stabilized difluoroboranes to induce rearrangement
 reactions
;
_journal_issue                   8
_journal_name_full               'New Journal of Chemistry'
_journal_page_first              1774
_journal_paper_doi               10.1039/c0nj00363h
_journal_volume                  34
_journal_year                    2010
_chemical_formula_sum            'C23 H31 B F2 N2'
_chemical_formula_weight         384.31
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yab'
_symmetry_space_group_name_H-M   'P 1 21/a 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90
_cell_angle_beta                 114.7635(19)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   13.975(6)
_cell_length_b                   11.390(5)
_cell_length_c                   14.556(7)
_cell_measurement_reflns_used    5699
_cell_measurement_temperature    103.1500
_cell_measurement_theta_max      27.4835
_cell_measurement_theta_min      3.0817
_cell_volume                     2103.9(16)
_computing_cell_refinement       'RIGAKU CrystalClear'
_computing_data_collection       'RIGAKU CrystalClear'
_computing_data_reduction        'RIGAKU CrystalClear'
_computing_molecular_graphics    ORTEP-III
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    SIR-97
_diffrn_ambient_temperature      103(2)
_diffrn_detector_area_resol_mean 7.31
_diffrn_measured_fraction_theta_full 0.960
_diffrn_measured_fraction_theta_max 0.960
_diffrn_measurement_device_type  'RIGAKU/MSC Meacury CCD'
_diffrn_measurement_method       'omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71070
_diffrn_reflns_av_R_equivalents  0.0378
_diffrn_reflns_av_sigmaI/netI    0.0336
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            13221
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         3.08
_exptl_absorpt_coefficient_mu    0.082
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.213
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Prism
_exptl_crystal_F_000             824
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.884
_refine_diff_density_min         -0.325
_refine_diff_density_rms         0.047
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.124
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     257
_refine_ls_number_reflns         3570
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.124
_refine_ls_R_factor_all          0.0697
_refine_ls_R_factor_gt           0.0585
_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^)+(0.0669P)^2^+1.1954P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1406
_refine_ls_wR_factor_ref         0.1493
_reflns_number_gt                3069
_reflns_number_total             3570
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c0nj00363h.txt
_cod_data_source_block           4-pyr
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from
2011-04-26.

'_exptl_absorpt_correction_type' value 'None' changed to
'none' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_cell_volume        2104.0(16)
_cod_original_sg_symbol_H-M      P21/a
_cod_database_code               7053650