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_4121184
_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_sum            'C53 H87 N5 P2'
_chemical_formula_weight         856.22
_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   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                70.5365(15)
_cell_angle_beta                 82.3034(17)
_cell_angle_gamma                88.2449(18)
_cell_formula_units_Z            2
_cell_length_a                   9.4039(5)
_cell_length_b                   15.7033(8)
_cell_length_c                   19.3399(10)
_cell_measurement_temperature    123(2)
_cell_volume                     2668.2(2)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      123(2)
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.993
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.0558
_diffrn_reflns_av_sigmaI/netI    0.0746
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            26573
_diffrn_reflns_theta_full        27.49
_diffrn_reflns_theta_max         27.49
_diffrn_reflns_theta_min         3.01
_exptl_absorpt_coefficient_mu    0.119
_exptl_absorpt_correction_T_max  0.9906
_exptl_absorpt_correction_T_min  0.9698
_exptl_crystal_density_diffrn    1.066
_exptl_crystal_F_000             940
_exptl_crystal_size_max          0.26
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.554
_refine_diff_density_min         -0.796
_refine_diff_density_rms         0.080
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.363
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     934
_refine_ls_number_reflns         12164
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.363
_refine_ls_R_factor_all          0.1015
_refine_ls_R_factor_gt           0.0605
_refine_ls_shift/su_max          0.010
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1000P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1547
_refine_ls_wR_factor_ref         0.2297
_reflns_number_gt                8011
_reflns_number_total             12164
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja409625x_si_004.cif
_cod_data_source_block           ueta
_cod_database_code               4121184