Preparation of a 12-Membered Open-Cage Fullerendione through Silane/Borane-Promoted Formation of Ketal Moieties and Oxidation of a Vicinal Fullerendiol
Gang Zhang; Qianyan Zhang; Zhenshan Jia; Sisi Liang; Liangbing Gan; Yuliang Li; Journal of Organic Chemistry 76 (2011) 6743–6748; doi:10.1021/jo201143k

data_4026525
_publ_section_title
;
 Preparation of a 12-Membered Open-Cage Fullerendione through
 Silane/Borane-Promoted Formation of Ketal Moieties and Oxidation of a
 Vicinal Fullerendiol
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              6743
_journal_page_last               6748
_journal_paper_doi               10.1021/jo201143k
_journal_volume                  76
_journal_year                    2011
_chemical_formula_moiety         'C70 H24 O10'
_chemical_formula_sum            'C70 H24 O10'
_chemical_formula_weight         1024.89
_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                 98.097(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   13.2045(18)
_cell_length_b                   19.022(3)
_cell_length_c                   18.615(3)
_cell_measurement_reflns_used    15592
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      1.54
_cell_volume                     4629.0(12)
_computing_cell_refinement       'CrystalClear (Rigaku Inc., 2007)'
_computing_data_collection       'CrystalClear (Rigaku Inc., 2007)'
_computing_data_reduction        'CrystalClear (Rigaku Inc., 2007)'
_computing_molecular_graphics    'XP in Siemens SHELXTL (Sheldrick, 1994)'
_computing_publication_material  'SHELX97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'MM007-HF CCD(Saturn 724+)'
_diffrn_measurement_method       '\w scans at fixed \c = 45\%'
_diffrn_radiation_monochromator  Confocal
_diffrn_radiation_source         'rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0545
_diffrn_reflns_av_sigmaI/netI    0.0497
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -24
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            41141
_diffrn_reflns_theta_full        27.46
_diffrn_reflns_theta_max         27.46
_diffrn_reflns_theta_min         1.54
_exptl_absorpt_coefficient_mu    0.099
_exptl_absorpt_correction_T_max  0.9902
_exptl_absorpt_correction_T_min  0.9615
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'CrystalClear (Rigaku Inc., 2007)'
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.471
_exptl_crystal_description       blcok
_exptl_crystal_F_000             2096
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.544
_refine_diff_density_min         -0.258
_refine_diff_density_rms         0.065
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.127
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     729
_refine_ls_number_reflns         10574
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.127
_refine_ls_R_factor_all          0.0793
_refine_ls_R_factor_gt           0.0688
_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^)+(0.0640P)^2^+4.2077P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1618
_refine_ls_wR_factor_ref         0.1682
_reflns_number_gt                9062
_reflns_number_total             10574
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo201143k_si_001.cif
_cod_data_source_block           mx975
_cod_original_cell_volume        4629.2(11)
_cod_database_code               4026525