Double Protonation of 1,5-Bis(triarylaminoethynyl)anthraquinone To Form a Paramagnetic Pentacyclic Dipyrylium Salt
Koya Prabhakara Rao; Tetsuro Kusamoto; Fumiyuki Toshimitsu; Kiyotaka Inayoshi; Shoko Kume; Ryota Sakamoto; Hiroshi Nishihara; Journal of the American Chemical Society 132 (2010) 12472–12479; doi:10.1021/ja105250f

data_4103014
_publ_contact_author_address
;
Department of Chemistry
University of Tokyo
7-3-1 Hongo, Bunkyo-ku,
Tokyo  Japan
;
_publ_contact_author_email       nisihara@chem.s.u-tokyo.ac.jp
_publ_contact_author_fax         '+81 3 5841 4346'
_publ_contact_author_name        'Hiroshi Nishihara'
_publ_contact_author_phone       '+81 3 5841 8063'
_publ_section_title
;
 Double Protonation of 1,5-Bis(triarylaminoethynyl)anthraquinone To Form a
 Paramagnetic Pentacyclic Dipyrylium Salt
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              12472
_journal_page_last               12479
_journal_paper_doi               10.1021/ja105250f
_journal_volume                  132
_journal_year                    2010
_chemical_formula_moiety         'C36 H25 N O4'
_chemical_formula_sum            'C36 H25 N O4'
_chemical_formula_weight         535.57
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_audit_creation_method           SHELXL-97
_cell_angle_alpha                102.896(2)
_cell_angle_beta                 107.463(4)
_cell_angle_gamma                95.645(2)
_cell_formula_units_Z            2
_cell_length_a                   9.752(2)
_cell_length_b                   11.925(3)
_cell_length_c                   12.577(3)
_cell_measurement_reflns_used    3524
_cell_measurement_temperature    113(2)
_cell_measurement_theta_max      27.4835
_cell_measurement_theta_min      3.2646
_cell_volume                     1338.3(5)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      113.1500
_diffrn_detector_area_resol_mean 28.5714
_diffrn_measured_fraction_theta_full 0.976
_diffrn_measured_fraction_theta_max 0.955
_diffrn_measurement_details
;
scan:
    Number of images: 360
               Slice: -110.0000 - 70.0000
         Image width: 0.5000
            Exp time: 15.0000
       Rotation axis: Omega
               Omega: 0.0000
                 Chi: 45.0000
                 Phi: 0.0000
                 XTD: 44.9920
              2theta: -19.9354
scan:
    Number of images: 360
               Slice: -110.0000 - 70.0000
         Image width: 0.5000
            Exp time: 15.0000
       Rotation axis: Omega
               Omega: 0.0000
                 Chi: 45.0000
                 Phi: 90.0000
                 XTD: 44.9920
              2theta: -19.9354

;
_diffrn_measurement_device_type  'Rigaku Saturn'
_diffrn_measurement_method       dtprofit.ref
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0219
_diffrn_reflns_av_sigmaI/netI    0.0613
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            10651
_diffrn_reflns_reduction_process 'Lp corrections applied'
_diffrn_reflns_theta_full        25
_diffrn_reflns_theta_max         27.47
_diffrn_reflns_theta_min         3.09
_exptl_absorpt_coefficient_mu    0.087
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.8815
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Jacobson, R. (1998) Private communication'
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.329
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             560
_exptl_crystal_size_max          0.5
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.2
_refine_diff_density_max         0.313
_refine_diff_density_min         -0.296
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.032
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     372
_refine_ls_number_reflns         5860
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.032
_refine_ls_R_factor_gt           0.0475
_refine_ls_shift/su_max          0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0806P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_ref         0.1386
_reflns_number_gt                4329
_reflns_number_total             5860
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja105250f_si_002.cif
_cod_data_source_block           1-AmAq
_cod_original_cell_volume        1338.4(5)
_cod_database_code               4103014