Unambiguous Identification of Möbius Aromaticity for meso-Aryl-Substituted [28]Hexaphyrins(1.1.1.1.1.1)
Jeyaraman Sankar; Shigeki Mori; Shohei Saito; Harapriya Rath; Masaaki Suzuki; Yasuhide Inokuma; Hiroshi Shinokubo; Kil Suk Kim; Zin Seok Yoon; Jae-Yoon Shin; Jong Min Lim; Yoichi Matsuzaki; Osamu Matsushita; Atsuya Muranaka; Nagao Kobayashi; Dongho Kim; Atsuhiro Osuka; Journal of the American Chemical Society 130 (2008) 13568–13579; doi:10.1021/ja801983d

data_4108450
_publ_section_title
;
 Unambiguous Identification of M\"obius Aromaticity for
 meso-Aryl-Substituted [28]Hexaphyrins(1.1.1.1.1.1)
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              13568
_journal_page_last               13579
_journal_paper_doi               10.1021/ja801983d
_journal_volume                  130
_journal_year                    2008
_chemical_formula_moiety         'C66 H34 Cl12 N6, 4(C H2 Cl2)'
_chemical_formula_sum            'C70 H42 Cl20 N6'
_chemical_formula_weight         1676.10
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      14
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 98.883(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   16.445(3)
_cell_length_b                   15.460(3)
_cell_length_c                   14.672(3)
_cell_measurement_reflns_used    5141
_cell_measurement_temperature    90(2)
_cell_measurement_theta_max      27.24
_cell_measurement_theta_min      2.18
_cell_volume                     3685.5(12)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      90(2)
_diffrn_detector_area_resol_mean 8.366
_diffrn_measured_fraction_theta_full 0.893
_diffrn_measured_fraction_theta_max 0.893
_diffrn_measurement_device_type  '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  0.0716
_diffrn_reflns_av_sigmaI/netI    0.1034
_diffrn_reflns_limit_h_max       21
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            20550
_diffrn_reflns_theta_full        28.09
_diffrn_reflns_theta_max         28.09
_diffrn_reflns_theta_min         1.82
_exptl_absorpt_coefficient_mu    0.787
_exptl_absorpt_correction_T_max  0.9617
_exptl_absorpt_correction_T_min  0.8584
_exptl_absorpt_correction_type   empirical
_exptl_crystal_colour            violet
_exptl_crystal_density_diffrn    1.510
_exptl_crystal_description       prism
_exptl_crystal_F_000             1688
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.768
_refine_diff_density_min         -0.792
_refine_diff_density_rms         0.124
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.053
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     433
_refine_ls_number_reflns         8029
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.053
_refine_ls_R_factor_all          0.1221
_refine_ls_R_factor_gt           0.0818
_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^)+(0.1196P)^2^+8.1449P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2257
_refine_ls_wR_factor_ref         0.2503
_reflns_number_gt                5221
_reflns_number_total             8029
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja801983d_si_008.cif
_cod_data_source_block           cl2286_4
_cod_original_cell_volume        3685.4(12)
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               4108450