High-Temperature Reactivity of the Strongly Electrophilic Pristine 9H-9-Borafluorene
Hübner, Alexander; Diehl, Andreas M.; Bolte, Michael; Lerner, Hans-Wolfram; Wagner, Matthias; Organometallics 32 (2013) 6827–; doi:10.1021/om4005737

data_4081813
_publ_section_title
;
 High-Temperature Reactivity of the Strongly Electrophilic Pristine
 9H-9-Borafluorene
;
_journal_issue                   22
_journal_name_full               Organometallics
_journal_page_first              6827
_journal_paper_doi               10.1021/om4005737
_journal_volume                  32
_journal_year                    2013
_chemical_formula_moiety         'C46 H34 B2 N2, 2(C6 H6)'
_chemical_formula_sum            'C58 H46 B2 N2'
_chemical_formula_weight         792.59
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.671(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   13.8887(8)
_cell_length_b                   30.6508(12)
_cell_length_c                   10.6075(6)
_cell_measurement_reflns_used    53186
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      25.68
_cell_measurement_theta_min      1.605
_cell_volume                     4515.3(4)
_computing_cell_refinement       'X-Area (Stoe & Cie, 2001)'
_computing_data_collection       'X-Area (Stoe & Cie, 2001)'
_computing_data_reduction        'X-Area (Stoe & Cie, 2001)'
_computing_molecular_graphics    'XP in SHELXTL-Plus (Sheldrick, 1991)'
_computing_publication_material  SHELXL97
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008) '
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008) '
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.985
_diffrn_measurement_device_type  'STOE IPDS II two-circle-diffractometer'
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  'Genix 3D multilayer optics'
_diffrn_radiation_source         'Genix 3D I\mS microfocus X-ray source'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0844
_diffrn_reflns_av_sigmaI/netI    0.0607
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       35
_diffrn_reflns_limit_k_min       -36
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            48177
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.17
_diffrn_reflns_theta_min         1.61
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.066
_exptl_absorpt_correction_T_max  0.9830
_exptl_absorpt_correction_T_min  0.9746
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'X-Area (Stoe & Cie, 2001)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.166
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1672
_exptl_crystal_size_max          0.39
_exptl_crystal_size_mid          0.37
_exptl_crystal_size_min          0.26
_refine_diff_density_max         0.249
_refine_diff_density_min         -0.330
_refine_diff_density_rms         0.054
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.122
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     559
_refine_ls_number_reflns         7997
_refine_ls_number_restraints     12
_refine_ls_restrained_S_all      1.122
_refine_ls_R_factor_all          0.1101
_refine_ls_R_factor_gt           0.0958
_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^)+(0.0721P)^2^+3.5129P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1896
_refine_ls_wR_factor_ref         0.1982
_reflns_number_gt                6611
_reflns_number_total             7997
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            om4005737_si_002.cif
_cod_data_source_block           wa1417
_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.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_sg_symbol_H-M      P21/c
_cod_database_code               4081813