Conjugated double helices via self-dimerization of α,α’-Dianilinotripyrrins
Umetani, Masataka; Tanaka, Takayuki; Osuka, Atsuhiro; Chemical Science  (2018) –; doi:10.1039/C8SC02739K

data_1549700
_publ_section_title
;
 Conjugated double helices via self-dimerization of
 \a,\a&#x2019;-Dianilinotripyrrins
;
_journal_name_full               'Chemical Science'
_journal_paper_doi               10.1039/C8SC02739K
_journal_year                    2018
_chemical_formula_moiety
'4(C54 H61 N5), 1.521(C6), 4(C6 H14), 0.479(C6)'
_chemical_formula_sum            'C252 H300 N20'
_chemical_formula_weight         3609.10
_chemical_name_common
1,14-bis(m-di-t-butylphenyl)-5,10-diphenyltripyrrin
_chemical_name_systematic
1,14-bis(m-di-t-butylphenyl)-5,10-diphenyltripyrrin
_space_group_crystal_system      orthorhombic
_space_group_IT_number           61
_space_group_name_Hall           '-P 2ac 2ab'
_space_group_name_H-M_alt        'P b c a'
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c a'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014/7
_audit_update_record
;
2018-06-18 deposited with the CCDC.
2018-07-17 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   30.1086(3)
_cell_length_b                   31.9945(4)
_cell_length_c                   46.8128(7)
_cell_measurement_reflns_used    7650
_cell_measurement_temperature    93(2)
_cell_measurement_theta_max      67.9
_cell_measurement_theta_min      27.6
_cell_volume                     45095.2(10)
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_diffrn_ambient_temperature      93(2)
_diffrn_detector_area_resol_mean 5.8140
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Rigaku XtaLAB P200'
_diffrn_measurement_method       \w
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.1004
_diffrn_reflns_av_unetI/netI     0.0545
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 1.000
_diffrn_reflns_limit_h_max       35
_diffrn_reflns_limit_h_min       -35
_diffrn_reflns_limit_k_max       37
_diffrn_reflns_limit_k_min       -37
_diffrn_reflns_limit_l_max       55
_diffrn_reflns_limit_l_min       -55
_diffrn_reflns_number            445383
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 1.000
_diffrn_reflns_theta_full        65.998
_diffrn_reflns_theta_max         65.998
_diffrn_reflns_theta_min         2.761
_exptl_absorpt_coefficient_mu    0.467
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.906
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'REQAB (Rigaku, 1998)'
_exptl_crystal_colour            Blue
_exptl_crystal_density_diffrn    1.063
_exptl_crystal_description       Prism
_exptl_crystal_F_000             15616
_exptl_crystal_recrystallization_method 'Vapour deposition'
_exptl_crystal_size_max          0.12
_exptl_crystal_size_mid          0.05
_exptl_crystal_size_min          0.02
_refine_diff_density_max         0.744
_refine_diff_density_min         -0.519
_refine_diff_density_rms         0.070
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.013
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     2500
_refine_ls_number_reflns         39269
_refine_ls_number_restraints     319
_refine_ls_restrained_S_all      1.036
_refine_ls_R_factor_all          0.1283
_refine_ls_R_factor_gt           0.0793
_refine_ls_shift/su_max          0.022
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.1458P)^2^+44.3604P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2166
_refine_ls_wR_factor_ref         0.2596
_reflns_Friedel_coverage         0.000
_reflns_number_gt                24815
_reflns_number_total             39269
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c8sc02739k2.cif
_cod_data_source_block           170417umetani
_cod_database_code               1549700
_shelx_shelxl_version_number     2014/7
_shelx_res_checksum              97530