4,4-Difluoro-1,3,5,7-tetramethyl-8-pentafluorophenyl-4-bora-3a,4a-diaza-<i>s</i>-indacene
Zhou, XiaoFeng; Acta Crystallographica Section E 66 (2010) o757–; doi:10.1107/S1600536810003703

data_2225426
_publ_section_title
;
 4,4-Difluoro-1,3,5,7-tetramethyl-8-pentafluorophenyl-4-bora-3a,4a-diaza-<i>s</i>-indacene
;
_journal_coeditor_code           BH2269
_journal_issue                   4
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o757
_journal_paper_doi               10.1107/S1600536810003703
_journal_volume                  66
_journal_year                    2010
_chemical_formula_iupac          'C19 H14 B F7 N2'
_chemical_formula_moiety         'C19 H14 B F7 N2'
_chemical_formula_sum            'C19 H14 B F7 N2'
_chemical_formula_weight         414.13
_chemical_name_systematic
;
4,4-Difluoro-1,3,5,7-tetramethyl-8-pentafluorophenyl-4-bora-3a,4a-diaza-
<i>s</i>-indacene
;
_space_group_IT_number           12
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2y'
_symmetry_space_group_name_H-M   'C 1 2/m 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(4)
_cell_angle_beta                 97.12(2)
_cell_angle_gamma                90.00(15)
_cell_formula_units_Z            4
_cell_length_a                   12.4060(5)
_cell_length_b                   7.5490(9)
_cell_length_c                   19.720(3)
_cell_measurement_reflns_used    2191
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      27.4642
_cell_measurement_theta_min      3.1225
_cell_volume                     1832.6(4)
_computing_cell_refinement       'CrystalClear (Rigaku, 2005)'
_computing_data_collection       'CrystalClear (Rigaku, 2005)'
_computing_data_reduction        'CrystalClear (Rigaku, 2005)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 2008)'
_computing_publication_material  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean 13.6612
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Rigaku SCXmini'
_diffrn_measurement_method       '\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  0.0320
_diffrn_reflns_av_sigmaI/netI    0.0248
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            8232
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         3.12
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.138
_exptl_absorpt_correction_T_max  0.979
_exptl_absorpt_correction_T_min  0.973
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(CrystalClear; Rigaku, 2005)'
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.501
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Prism
_exptl_crystal_F_000             840
_exptl_crystal_size_max          0.2
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.2
_refine_diff_density_max         0.242
_refine_diff_density_min         -0.229
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.056
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_constraints    0
_refine_ls_number_parameters     170
_refine_ls_number_reflns         1936
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.056
_refine_ls_R_factor_all          0.0672
_refine_ls_R_factor_gt           0.0564
_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^)+(0.0910P)^2^+0.8854P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1515
_refine_ls_wR_factor_ref         0.1619
_reflns_number_gt                1585
_reflns_number_total             1936
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            bh2269.cif
_cod_data_source_block           I
_cod_original_sg_symbol_H-M      'C 2/m'
_cod_database_code               2225426
_cod_database_fobs_code          2225426