Direct functionalization at the boron center of antiaromatic chloroborole.
Braunschweig, Holger; Kupfer, Thomas; Chemical communications (Cambridge, England)  (2008) 4487–4489; doi:10.1039/b808483a

data_7103366
_publ_section_title
;
 Direct functionalization at the boron center of antiaromatic
 chloroborole.
;
_journal_issue                   37
_journal_name_full               'Chemical communications (Cambridge, England)'
_journal_page_first              4487
_journal_page_last               4489
_journal_paper_doi               10.1039/b808483a
_journal_year                    2008
_chemical_formula_moiety         'C34 H27 B Cl N'
_chemical_formula_sum            'C34 H27 B Cl N'
_chemical_formula_weight         495.83
_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                75.426(4)
_cell_angle_beta                 83.792(4)
_cell_angle_gamma                65.424(3)
_cell_formula_units_Z            2
_cell_length_a                   10.1102(7)
_cell_length_b                   10.2560(8)
_cell_length_c                   14.1830(10)
_cell_measurement_reflns_used    9906
_cell_measurement_temperature    99(2)
_cell_measurement_theta_max      26.01
_cell_measurement_theta_min      1.80
_cell_volume                     1294.37(16)
_computing_cell_refinement       'Saint+ ver. 7.12A (Bruker AXS)'
_computing_data_collection       'APEX2 ver. 1.0-27 (Bruker AXS)'
_computing_data_reduction        'Saint+ ver. 7.12A (Bruker AXS)'
_computing_molecular_graphics    'XP ver. 5.1 (Bruker AXS, 1998)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      99(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  'multi-layer mirror'
_diffrn_radiation_source         'rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0655
_diffrn_reflns_av_sigmaI/netI    0.0433
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            31971
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.07
_diffrn_reflns_theta_min         1.48
_exptl_absorpt_coefficient_mu    0.172
_exptl_absorpt_correction_T_max  0.9969
_exptl_absorpt_correction_T_min  0.9367
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Sadabs 2004/1 (Brucker Nonius 2004)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.272
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             520
_exptl_crystal_size_max          0.26
_exptl_crystal_size_mid          0.09
_exptl_crystal_size_min          0.03
_refine_diff_density_max         0.468
_refine_diff_density_min         -0.305
_refine_diff_density_rms         0.052
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.031
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     335
_refine_ls_number_reflns         5117
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.031
_refine_ls_R_factor_all          0.0576
_refine_ls_R_factor_gt           0.0408
_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^)+(0.0426P)^2^+0.8609P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0979
_refine_ls_wR_factor_ref         0.1088
_reflns_number_gt                4112
_reflns_number_total             5117
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b808483a.txt
_cod_data_source_block           Cu068
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_sg_symbol_Hall     '-P 1 '
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7103366