Toward Tetraradicaloid: The Effect of Fusion Mode on Radical Character and Chemical Reactivity.
Hu, Pan; Lee, Sangsu; Herng, Tun Seng; Aratani, Naoki; Gonçalves, Théo P; Qi, Qingbiao; Shi, Xueliang; Yamada, Hiroko; Huang, Kuo-Wei; Ding, Jun; Kim, Dongho; Wu, Jishan; Journal of the American Chemical Society 138 (2016) 1065–1077; doi:10.1021/jacs.5b12532

data_4129991
_publ_section_title
;
 Toward Tetraradicaloid: The Effect of Fusion Mode on Radical Character
 and Chemical Reactivity.
;
_journal_issue                   3
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              1065
_journal_page_last               1077
_journal_paper_doi               10.1021/jacs.5b12532
_journal_volume                  138
_journal_year                    2016
_chemical_formula_moiety         'C106 H110 O6, 2(C H Cl3)'
_chemical_formula_sum            'C108 H112 Cl6 O6'
_chemical_formula_weight         1718.67
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014/7
_cell_angle_alpha                88.0843(9)
_cell_angle_beta                 73.1877(9)
_cell_angle_gamma                70.5165(9)
_cell_formula_units_Z            2
_cell_length_a                   15.7254(8)
_cell_length_b                   16.3000(8)
_cell_length_c                   19.7644(10)
_cell_measurement_reflns_used    9013
_cell_measurement_temperature    90
_cell_measurement_theta_max      30.52
_cell_measurement_theta_min      2.26
_cell_volume                     4560.7(4)
_computing_cell_refinement       'APEX2 (Bruker AXS, 2006)'
_computing_data_collection       'APEX2 (Bruker AXS, 2006)'
_computing_data_reduction        'SAINT (Bruker AXS, 2004)'
_computing_molecular_graphics    'XSHEL (Bruker AXS,2002)'
_computing_publication_material  'XCIF (Bruker AXS, 2001)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      90
_diffrn_detector_area_resol_mean 8.333
_diffrn_measured_fraction_theta_full 0.989
_diffrn_measured_fraction_theta_max 0.989
_diffrn_measurement_device_type  'Bruker APEXII CCD area detector'
_diffrn_measurement_method       'phi and omega 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  0.0206
_diffrn_reflns_av_unetI/netI     0.0428
_diffrn_reflns_Laue_measured_fraction_full 0.989
_diffrn_reflns_Laue_measured_fraction_max 0.989
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            28551
_diffrn_reflns_point_group_measured_fraction_full 0.989
_diffrn_reflns_point_group_measured_fraction_max 0.989
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.000
_diffrn_reflns_theta_min         1.079
_exptl_absorpt_coefficient_mu    0.244
_exptl_absorpt_correction_T_max  0.976
_exptl_absorpt_correction_T_min  0.893
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS Sheldrick 1996
;
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.252
_exptl_crystal_description       prism
_exptl_crystal_F_000             1820
_exptl_crystal_size_max          0.300
_exptl_crystal_size_mid          0.200
_exptl_crystal_size_min          0.100
_refine_diff_density_max         1.371
_refine_diff_density_min         -1.073
_refine_diff_density_rms         0.087
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.024
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1153
_refine_ls_number_reflns         19691
_refine_ls_number_restraints     6
_refine_ls_restrained_S_all      1.024
_refine_ls_R_factor_all          0.0871
_refine_ls_R_factor_gt           0.0640
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.1119P)^2^+2.9853P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1703
_refine_ls_wR_factor_ref         0.1934
_reflns_Friedel_coverage         0.000
_reflns_number_gt                14473
_reflns_number_total             19691
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ja5b12532_si_003.cif
_cod_data_source_block           50303JW_0m
_cod_database_code               4129991
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.930
_shelx_estimated_absorpt_t_max   0.976
_shelx_res_checksum              40369
_shelx_hkl_checksum              8823