Towards the rational synthesis of norfullerenes. controlled deletion of one carbon atom from C60 and preparation of 2,5,9-trioxo-1-nor(C60-Ih)[5,6]fullerene C59(O)3 derivatives.
Yao, Jiayao; Xiao, Zuo; Gan, Liangbing; Yang, Dazhi; Wang, Zheming; Organic letters 10 (2008) 2003–2006; doi:10.1021/ol800611r

data_1504678
_publ_section_title
;
 Towards the rational synthesis of norfullerenes. controlled deletion of
 one carbon atom from C60 and preparation of
 2,5,9-trioxo-1-nor(C60-Ih)[5,6]fullerene C59(O)3 derivatives.
;
_journal_issue                   10
_journal_name_full               'Organic letters'
_journal_page_first              2003
_journal_page_last               2006
_journal_paper_doi               10.1021/ol800611r
_journal_volume                  10
_journal_year                    2008
_chemical_formula_sum            'C80 H44 Cl N O12 S4'
_chemical_formula_weight         1374.85
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_atom_sites_solution_hydrogens   'geom or difmap'
_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            4
_cell_length_a                   9.995(2)
_cell_length_b                   22.542(5)
_cell_length_c                   26.464(5)
_cell_measurement_reflns_used    15362
_cell_measurement_temperature    143(2)
_cell_measurement_theta_max      25.03
_cell_measurement_theta_min      2.18
_cell_volume                     5963(2)
_computing_cell_refinement       Rapid-AUTO
_computing_data_collection       'Rapid-AUTO (Rigaku,2000)'
_computing_data_reduction        'CrystalStructure (Rigaku/MSC,2000)'
_computing_molecular_graphics    'Siemens SHELXTL V4.2,(Sheldrick,1990)'
_computing_publication_material  SHELXL-97,(Sheldrick,1997)
_computing_structure_refinement  SHELXL-97,(Sheldrick,1997)
_computing_structure_solution    SHELXS-97,(Sheldrick,1997)
_diffrn_ambient_temperature      143(2)
_diffrn_detector_area_resol_mean 10.00
_diffrn_measured_fraction_theta_full 0.964
_diffrn_measured_fraction_theta_max 0.964
_diffrn_measurement_device_type  'Rigaku RAXIS RAPID IP'
_diffrn_measurement_method       \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  0.0861
_diffrn_reflns_av_sigmaI/netI    0.1693
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       26
_diffrn_reflns_limit_k_min       -26
_diffrn_reflns_limit_l_max       31
_diffrn_reflns_limit_l_min       -31
_diffrn_reflns_number            15362
_diffrn_reflns_theta_full        25.03
_diffrn_reflns_theta_max         25.03
_diffrn_reflns_theta_min         2.18
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.279
_exptl_absorpt_correction_T_max  0.972
_exptl_absorpt_correction_T_min  0.870
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details
; 
                                  HIGASHI, T. (1995). Abscor-Empirical
                                  Absorption Correction based on Fourier
                                  Series Approximation.
                                  Rigaku Corporation,Tokyo,Japan.
;
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.532
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             2832
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.481
_refine_diff_density_min         -0.439
_refine_diff_density_rms         0.078
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.13(18)
_refine_ls_extinction_coef       0.0076(7)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.002
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     931
_refine_ls_number_reflns         5643
_refine_ls_number_restraints     3
_refine_ls_restrained_S_all      1.001
_refine_ls_R_factor_all          0.1499
_refine_ls_R_factor_gt           0.0791
_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^)+(0.0760P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1565
_refine_ls_wR_factor_ref         0.1795
_reflns_number_gt                2824
_reflns_number_total             5643
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol800611r-file003.cif
_cod_data_source_block           a
_cod_original_sg_symbol_H-M      P2(1)2(1)2(1)
_cod_database_code               1504678