Insertion of Carboryne into Aromatic Rings: Formation of Cyclooctatetraenocarboranes
Sunewang R. Wang; Zaozao Qiu; Zuowei Xie; Journal of the American Chemical Society 132 (2010) 9988–9989; doi:10.1021/ja1044488

data_4102713
_publ_section_title
;
 Insertion of Carboryne into Aromatic Rings: Formation of
 Cyclooctatetraenocarboranes
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              9988
_journal_page_last               9989
_journal_paper_doi               10.1021/ja1044488
_journal_volume                  132
_journal_year                    2010
_chemical_formula_sum            'C9 H18 B10'
_chemical_formula_weight         234.33
_chemical_name_systematic
; 
 ? 
;
_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           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   9.776(2)
_cell_length_b                   12.704(3)
_cell_length_c                   21.986(5)
_cell_measurement_reflns_used    82
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      166
_cell_measurement_theta_min      14
_cell_volume                     2730.5(11)
_computing_cell_refinement       'BRUKER SMART CCD DIFFRACTOMETER'
_computing_data_collection       'BRUKER SMART CCD DIFFRACTOMETER'
_computing_data_reduction        'BRUKER SMART CCD DIFFRACTOMETER'
_computing_molecular_graphics    'SIEMENS SHELXTL'
_computing_publication_material  'SIEMENS SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'BRUKER SMART CCD DIFFRACTOMETER'
_diffrn_measurement_method       'OMEGA SCAN'
_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  0.0562
_diffrn_reflns_av_sigmaI/netI    0.0407
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            14096
_diffrn_reflns_theta_full        25.25
_diffrn_reflns_theta_max         25.25
_diffrn_reflns_theta_min         1.85
_exptl_absorpt_coefficient_mu    0.053
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.6079
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.140
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             976
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.40
_exptl_crystal_size_min          0.30
_refine_diff_density_max         0.419
_refine_diff_density_min         -0.251
_refine_diff_density_rms         0.050
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.039
_refine_ls_hydrogen_treatment    riding
_refine_ls_matrix_type           full
_refine_ls_number_parameters     172
_refine_ls_number_reflns         2476
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.039
_refine_ls_R_factor_all          0.0902
_refine_ls_R_factor_gt           0.0636
_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^)+(0.0983P)^2^+1.4410P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1623
_refine_ls_wR_factor_ref         0.1910
_reflns_number_gt                1750
_reflns_number_total             2476
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja1044488_si_002_5.cif
_cod_data_source_block           4b'
_cod_original_cell_volume        2730.4(11)
_cod_database_code               4102713