Systematic investigations on fused π-system compounds of seven benzene rings prepared by photocyclization of diphenanthrylethenes.
Fujino, Shota; Yamaji, Minoru; Okamoto, Hideki; Mutai, Toshiki; Yoshikawa, Isao; Houjou, Hirohiko; Tani, Fumito; Photochemical & photobiological sciences : Official journal of the European Photochemistry Association and the European Society for Photobiology  (2017) –; doi:10.1039/c7pp00040e

data_1546626
_publ_section_title
;
 Systematic investigations on fused \p-system compounds of seven benzene
 rings prepared by photocyclization of diphenanthrylethenes.
;
_journal_name_full
'Photochemical &amp; photobiological sciences : Official journal of the European Photochemistry Association and the European Society for Photobiology'
_journal_paper_doi               10.1039/c7pp00040e
_journal_year                    2017
_chemical_formula_moiety         'C30 H18'
_chemical_formula_sum            'C30 H18'
_chemical_formula_weight         378.44
_chemical_melting_point          561.5(5)
_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
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2013
_audit_update_record
;
2016-12-09 deposited with the CCDC.
2017-03-30 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   7.560(4)
_cell_length_b                   20.153(11)
_cell_length_c                   23.743(12)
_cell_measurement_reflns_used    7352
_cell_measurement_temperature    93(2)
_cell_measurement_theta_max      27.50
_cell_measurement_theta_min      2.00
_cell_volume                     3617(3)
_computing_cell_refinement       'CrystalClear-SM Expert 2.0 r3'
_computing_data_collection       'CrystalClear-SM Expert 2.0 r3 (Rigaku, 2009)'
_computing_data_reduction        'CrystalClear-SM Expert 2.0 r3'
_computing_molecular_graphics    'CrystalStructure 4.1.1'
_computing_publication_material  'CrystalStructure 4.1.1 (Rigaku, 2015)'
_computing_structure_refinement  'SHELXL-2013 (Sheldrick, 2013)'
_computing_structure_solution    'SHELXS-2013 (Sheldrick, 2013)'
_diffrn_ambient_temperature      93(2)
_diffrn_detector_area_resol_mean 7.111
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'VariMax DW with Saturn'
_diffrn_measurement_method       \w
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.0684
_diffrn_reflns_av_unetI/netI     0.0379
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       26
_diffrn_reflns_limit_k_min       -26
_diffrn_reflns_limit_l_max       30
_diffrn_reflns_limit_l_min       -30
_diffrn_reflns_number            33379
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.998
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.442
_diffrn_reflns_theta_min         2.196
_exptl_absorpt_coefficient_mu    0.079
_exptl_absorpt_correction_T_max  0.999
_exptl_absorpt_correction_T_min  0.889
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'REQAB (Rigaku, 1998)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.390
_exptl_crystal_description       plate
_exptl_crystal_F_000             1584
_exptl_crystal_size_max          0.290
_exptl_crystal_size_mid          0.260
_exptl_crystal_size_min          0.010
_refine_diff_density_max         0.199
_refine_diff_density_min         -0.287
_refine_diff_density_rms         0.057
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.300
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     271
_refine_ls_number_reflns         4121
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.300
_refine_ls_R_factor_all          0.0846
_refine_ls_R_factor_gt           0.0775
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0485P)^2^+2.9541P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1591
_refine_ls_wR_factor_ref         0.1627
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3848
_reflns_number_total             4121
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c7pp00040e2.cif
_cod_data_source_block           1at9
_cod_depositor_comments
;
The following automatic conversions were performed:

'_chemical_melting_point' value '561-562' was changed to '561.5(5)' -
the average value was taken and precision was estimated.

Automatic conversion script
Id: cif_fix_values 4973 2017-02-22 13:04:09Z antanas 
;
_cod_database_code               1546626
_shelx_estimated_absorpt_t_min   0.978
_shelx_estimated_absorpt_t_max   0.999
_shelxl_version_number           2013-4
_shelx_res_checksum              32756