(±)-(1<i>SR</i>,8<i>RS</i>,10<i>RS</i>)-9,9,10-Tribromotricyclo[6.2.1.0^2,7^]undeca-2,4,6-triene
Ersanlı, Cem Cüneyt; Çoruh, Ufuk; Tuncer, Hökelek; Vázquez-López, Ezequiel M.; Arif, Daştan; Acta Crystallographica Section E 61 (2005) o263–o265; doi:10.1107/S1600536805000255

data_2205135
_publ_section_title
(+-)-(1<i>SR</i>,8<i>RS</i>,10<i>RS</i>)-9,9,10-Tribromotricyclo[6.2.1.0^2,7^]undeca-2,4,6-triene
_journal_issue                   2
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o263
_journal_page_last               o265
_journal_paper_doi               10.1107/S1600536805000255
_journal_volume                  61
_journal_year                    2005
_chemical_formula_iupac          'C11 H9 Br3'
_chemical_formula_moiety         'C11 H9 Br3'
_chemical_formula_sum            'C11 H9 Br3'
_chemical_formula_weight         380.91
_chemical_name_systematic
;
(+-)-(1SR,8RS,10RS)-9,9,10-Tribromotricyclo[6.2.1.0^2,7^]undeca-2,4,6-triene
;
_space_group_IT_number           61
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c a'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   7.4853(17)
_cell_length_b                   13.449(3)
_cell_length_c                   22.653(5)
_cell_measurement_reflns_used    2676
_cell_measurement_temperature    297(2)
_cell_measurement_theta_max      25
_cell_measurement_theta_min      3
_cell_volume                     2280.5(9)
_computing_cell_refinement       'SAINT (Bruker, 1999)'
_computing_data_collection       'SMART (Bruker, 1999)'
_computing_data_reduction        'SAINT (Bruker, 1999)'
_computing_molecular_graphics    'ORTEP-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      297(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker SMART CCD area-detector'
_diffrn_measurement_method       '\f and \w'
_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  0.0770
_diffrn_reflns_av_sigmaI/netI    0.0832
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -29
_diffrn_reflns_number            12253
_diffrn_reflns_theta_full        28.02
_diffrn_reflns_theta_max         28.02
_diffrn_reflns_theta_min         1.80
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    10.570
_exptl_absorpt_correction_T_max  0.225
_exptl_absorpt_correction_T_min  0.039
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 1996)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    2.219
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    .
_exptl_crystal_description       prism
_exptl_crystal_F_000             1440
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.28
_exptl_crystal_size_min          0.14
_refine_diff_density_max         0.495
_refine_diff_density_min         -0.624
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.817
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     163
_refine_ls_number_reflns         2690
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.817
_refine_ls_R_factor_all          0.0863
_refine_ls_R_factor_gt           0.0326
_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^)+(0.0251P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0590
_refine_ls_wR_factor_ref         0.0662
_reflns_number_gt                1562
_reflns_number_total             2690
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            ob6464.cif
_cod_data_source_block           3
_cod_database_code               2205135
_cod_database_fobs_code          2205135