Novel n-Type Conjugated Ladder Heteroarenes: Synthesis, Self-Assembly of Nanowires, Electron Transport, and Electroluminescence of Bisindenoanthrazolines
Ahmed, Eilaf; Earmme, Taeshik; Ren, Guoqiang; Jenekhe, Samson A.; Chemistry of Materials 22 (2010) 5786–; doi:10.1021/cm102147n

data_4000919
_publ_section_title
;
 Novel n-Type Conjugated Ladder Heteroarenes: Synthesis, Self-Assembly of
 Nanowires, Electron Transport, and Electroluminescence of
 Bisindenoanthrazolines
;
_journal_issue                   20
_journal_name_full               'Chemistry of Materials'
_journal_page_first              5786
_journal_paper_doi               10.1021/cm102147n
_journal_volume                  22
_journal_year                    2010
_chemical_formula_moiety         'C38 H20 N2 O2'
_chemical_formula_sum            'C38 H20 N2 O2'
_chemical_formula_weight         536.56
_chemical_name_common            DADK
_chemical_name_systematic        DADK
_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                90.0000
_cell_angle_beta                 108.4290(14)
_cell_angle_gamma                90.000
_cell_formula_units_Z            4
_cell_length_a                   7.1904(3)
_cell_length_b                   27.9435(5)
_cell_length_c                   13.7000(15)
_cell_measurement_reflns_used    618
_cell_measurement_temperature    295(2)
_cell_measurement_theta_max      1
_cell_measurement_theta_min      10
_cell_volume                     2611.5(3)
_computing_cell_refinement       'HKL Scalepack (Otwinowski & Minor 1997)'
_computing_data_collection       KappaCCD
_computing_data_reduction        'HKL Scalepack (Otwinowski & Minor 1997)'
_computing_molecular_graphics    'maXus, Zortep'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXL-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      295(2)
_diffrn_measured_fraction_theta_full 0.989
_diffrn_measured_fraction_theta_max 0.987
_diffrn_measurement_device_type  'Nonius KappaCCD'
_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  0.0996
_diffrn_reflns_av_sigmaI/netI    0.0794
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       33
_diffrn_reflns_limit_k_min       -33
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            16246
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.41
_diffrn_reflns_theta_min         2.14
_exptl_absorpt_coefficient_mu    0.085
_exptl_absorpt_correction_T_max  0.9991
_exptl_absorpt_correction_T_min  0.9558
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   HKL2000
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.365
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             1112
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.02
_exptl_crystal_size_min          0.01
_refine_diff_density_max         0.168
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_refine_ls_extinction_method     none
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_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     379
_refine_ls_number_reflns         4754
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.999
_refine_ls_R_factor_all          0.1300
_refine_ls_R_factor_gt           0.0618
_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^)+(0.0825P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1355
_refine_ls_wR_factor_ref         0.1667
_reflns_number_gt                2587
_reflns_number_total             4754
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cm102147n_si_003.cif
_cod_data_source_block           shelxl
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_cell_volume        2611.4(3)
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               4000919