A three-dimensional pi-electron acceptor, tri-phenyl-o-carborane, bearing a rigid conformation with end-on phenyl units
Guo Fan Jin; Jo-Hyun Hwang; Jong-Dae Lee; Kyung-Ryang Wee; Il-Hwan Suh; Sang Ook Kang; Chem.Commun. 49 (2013) 9398–; doi:10.1039/c3cc45313h

data_7109848
_publ_section_title
;
 A three-dimensional pi-electron acceptor, tri-phenyl-o-carborane, bearing
 a rigid conformation with end-on phenyl units
;
_journal_name_full               Chem.Commun.
_journal_page_first              9398
_journal_paper_doi               10.1039/c3cc45313h
_journal_volume                  49
_journal_year                    2013
_chemical_formula_moiety         'C26 H24 B10 Cr2 O6'
_chemical_formula_sum            'C26 H24 B10 Cr2 O6'
_chemical_formula_weight         644.55
_chemical_name_systematic
;
 ?
;
_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                 94.878(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   16.531(3)
_cell_length_b                   11.276(2)
_cell_length_c                   15.770(3)
_cell_measurement_reflns_used    5787
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      28.264
_cell_measurement_theta_min      2.223
_cell_volume                     2928.9(9)
_computing_cell_refinement       'SMART (Bruker, 1999)'
_computing_data_collection       'SMART (Bruker, 1999)'
_computing_data_reduction        'SAINT-Plus (Bruker, 1999)'
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 2000)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2000)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2000)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Bruker SMART 1000 CCD diffractometer'
_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  0.0281
_diffrn_reflns_av_sigmaI/netI    0.0251
_diffrn_reflns_limit_h_max       22
_diffrn_reflns_limit_h_min       -22
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            29354
_diffrn_reflns_theta_full        28.31
_diffrn_reflns_theta_max         28.31
_diffrn_reflns_theta_min         1.24
_exptl_absorpt_coefficient_mu    0.783
_exptl_absorpt_correction_T_max  0.8591
_exptl_absorpt_correction_T_min  0.8591
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 1996)'
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.462
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1304
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.782
_refine_diff_density_min         -0.574
_refine_diff_density_rms         0.077
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.060
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     406
_refine_ls_number_reflns         7259
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.060
_refine_ls_R_factor_all          0.0558
_refine_ls_R_factor_gt           0.0422
_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^)+(0.0774P)^2^+1.8201P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1228
_refine_ls_wR_factor_ref         0.1359
_reflns_number_gt                5859
_reflns_number_total             7259
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3cc45313h.txt
_cod_data_source_block           k120304
_cod_original_cell_volume        2929.1(9)
_cod_original_sg_symbol_H-M      P21/c
_cod_database_code               7109848