A soluble bispentacenequinone precursor for creation of directly 6,6′-linked bispentacenes and a tetracyanobipentacenequinodimethane
Tanaka, Kazuki; Aratani, Naoki; Kuzuhara, Daiki; Sakamoto, Sadaaki; Okujima, Tetsuo; Ono, Noboru; Uno, Hidemitsu; Yamada, Hiroko; RSC Advances 3 (2013) 15310–; doi:10.1039/c3ra41914b

data_7239089
_publ_section_title
;
 A soluble bispentacenequinone precursor for creation of directly
 6,6&#x2032;-linked bispentacenes and a
 tetracyanobipentacenequinodimethane
;
_journal_issue                   35
_journal_name_full               'RSC Advances'
_journal_page_first              15310
_journal_paper_doi               10.1039/c3ra41914b
_journal_volume                  3
_journal_year                    2013
_chemical_formula_moiety         'C64 H50, 3(C H Cl3)'
_chemical_formula_sum            'C67 H53 Cl9'
_chemical_formula_weight         1177.14
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_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                 90.352(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   24.018(3)
_cell_length_b                   10.2100(14)
_cell_length_c                   22.028(3)
_cell_measurement_reflns_used    2628
_cell_measurement_temperature    90(2)
_cell_measurement_theta_max      24.89
_cell_measurement_theta_min      2.50
_cell_volume                     5401.7(12)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_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 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w 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  0.0821
_diffrn_reflns_av_sigmaI/netI    0.1223
_diffrn_reflns_limit_h_max       26
_diffrn_reflns_limit_h_min       -29
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            27392
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         0.85
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.511
_exptl_absorpt_correction_T_max  0.9949
_exptl_absorpt_correction_T_min  0.9046
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details
;
SADABS Sheldrick 1996
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.448
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             2432
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.05
_exptl_crystal_size_min          0.01
_refine_diff_density_max         0.783
_refine_diff_density_min         -0.711
_refine_diff_density_rms         0.101
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.015
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     685
_refine_ls_number_reflns         10549
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.015
_refine_ls_R_factor_all          0.1651
_refine_ls_R_factor_gt           0.0774
_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^)+(0.1180P)^2^+5.7886P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1927
_refine_ls_wR_factor_ref         0.2429
_reflns_number_gt                5290
_reflns_number_total             10549
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3ra41914b.txt
_cod_data_source_block           20915kaz
_cod_depositor_comments
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The following automatic conversions were performed:

data item '_symmetry_cell_setting' value 'Monoclinic' was changed to
'monoclinic' in accordance with the
/home/saulius/struct/COD-crude-data/automatic-downloads/DataCite-retrospective/RSC/depositions/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 last updated on
2011-04-26.

Automatic conversion script
Id: cif_fix_values 6909 2019-04-08 15:41:33Z antanas 
;
_cod_original_cell_volume        5401.5(13)
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               7239089