Direct Arylations for Study of the Air-Stable P-Heterocyclic Biradical: From Wide Electronic Tuning to Characterization of the Localized Radicalic Electrons
Shigekazu Ito; Yasuhiro Ueta; Trang Thi Thu Ngo; Makoto Kobayashi; Daisuke Hashizume; Jun-ichi Nishida; Yoshiro Yamashita; Koichi Mikami; Journal of the American Chemical Society 135 (2013) 17610–17616; doi:10.1021/ja409625x

data_4121185
_publ_section_title
;
 Direct Arylations for Study of the Air-Stable P-Heterocyclic Biradical:
 From Wide Electronic Tuning to Characterization of the Localized
 Radicalic Electrons
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              17610
_journal_page_last               17616
_journal_paper_doi               10.1021/ja409625x
_journal_volume                  135
_journal_year                    2013
_chemical_formula_moiety         'C50 H68 P2'
_chemical_formula_sum            'C50 H68 P2'
_chemical_formula_weight         730.98
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   difmap
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                67.5380(7)
_cell_angle_beta                 89.0645(7)
_cell_angle_gamma                84.0390(1)
_cell_formula_units_Z            1
_cell_length_a                   8.6852(1)
_cell_length_b                   11.6707(2)
_cell_length_c                   11.6814(1)
_cell_measurement_reflns_used    126954
_cell_measurement_temperature    90
_cell_measurement_theta_max      60.22
_cell_measurement_theta_min      1.89
_cell_volume                     1087.96(2)
_computing_cell_refinement       HKL2000
_computing_data_collection       CrystalClear
_computing_data_reduction        HKL2000
_computing_molecular_graphics    SV
_computing_publication_material  SHELXL-97
_computing_structure_refinement  SHELXL-97
_computing_structure_solution    SIR2004
_diffrn_ambient_temperature      90
_diffrn_detector_area_resol_mean 7.31
_diffrn_measured_fraction_theta_full 0.966
_diffrn_measured_fraction_theta_max 0.966
_diffrn_measurement_device_type  'Rigaku AFC-8 with Saturn70 CCD'
_diffrn_measurement_method       \w-scan
_diffrn_radiation_monochromator  confocal
_diffrn_radiation_source         'fine-focus rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0364
_diffrn_reflns_av_sigmaI/netI    0.0303
_diffrn_reflns_limit_h_max       21
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       28
_diffrn_reflns_limit_k_min       -28
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       -28
_diffrn_reflns_number            126954
_diffrn_reflns_theta_full        60.22
_diffrn_reflns_theta_max         60.22
_diffrn_reflns_theta_min         1.89
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.132
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            blue
_exptl_crystal_density_diffrn    1.116
_exptl_crystal_description       prism
_exptl_crystal_F_000             398
_exptl_crystal_size_max          0.23
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.13
_refine_diff_density_max         0.568
_refine_diff_density_min         -0.478
_refine_diff_density_rms         0.050
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.027
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     371
_refine_ls_number_reflns         32088
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.027
_refine_ls_R_factor_all          0.0492
_refine_ls_R_factor_gt           0.0338
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0615P)^2^+0.0068P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1036
_refine_ls_wR_factor_ref         0.1131
_reflns_number_gt                24108
_reflns_number_total             32088
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            ja409625x_si_005.cif
_cod_data_source_block           symmetric-conventional
_cod_database_code               4121185