Achieving high-efficiency non-doped blue organic light-emitting diodes: charge-balance control of bipolar blue fluorescent materials with reduced hole-mobility
Chi, Chih-Chin; Chiang, Chih-Long; Liu, Shun-Wei; Yueh, Han; Chen, Chin-Ti; Chen, Chao-Tsen; Journal of Materials Chemistry 19 (2009) 5561–; doi:10.1039/b902910a

data_7201000
_publ_section_title
;
 Achieving high-efficiency non-doped blue organic light-emitting
 diodes: charge-balance control of bipolar blue fluorescent materials
 with reduced hole-mobility
;
_journal_issue                   31
_journal_name_full               'Journal of Materials Chemistry'
_journal_page_first              5561
_journal_paper_doi               10.1039/b902910a
_journal_volume                  19
_journal_year                    2009
_chemical_formula_moiety         'C50 H35 Cl2 N3'
_chemical_formula_sum            'C50 H35 Cl2 N3'
_chemical_formula_weight         748.71
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_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                 100.493(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.5133(3)
_cell_length_b                   34.5307(8)
_cell_length_c                   8.9169(2)
_cell_measurement_reflns_used    3528
_cell_measurement_temperature    150.0(1)
_cell_measurement_theta_max      21.57
_cell_measurement_theta_min      2.36
_cell_volume                     3788.50(15)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX publication routines (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      150.0(1)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_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  0.0521
_diffrn_reflns_av_sigmaI/netI    0.1049
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       41
_diffrn_reflns_limit_k_min       -40
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            27836
_diffrn_reflns_theta_full        25.02
_diffrn_reflns_theta_max         25.02
_diffrn_reflns_theta_min         1.18
_exptl_absorpt_coefficient_mu    0.212
_exptl_absorpt_correction_T_max  0.9967
_exptl_absorpt_correction_T_min  0.967
_exptl_absorpt_correction_type   empirical
_exptl_crystal_colour            green
_exptl_crystal_density_diffrn    1.313
_exptl_crystal_density_meas      0
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1560
_exptl_crystal_size_max          0.3
_exptl_crystal_size_mid          0.24
_exptl_crystal_size_min          0.2
_refine_diff_density_max         0.504
_refine_diff_density_min         -0.596
_refine_diff_density_rms         0.043
_refine_ls_extinction_coef       0.00157(19)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   0.776
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     497
_refine_ls_number_reflns         6695
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.776
_refine_ls_R_factor_all          0.0782
_refine_ls_R_factor_gt           0.0392
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0382P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0801
_refine_ls_wR_factor_ref         0.0851
_reflns_number_gt                3432
_reflns_number_total             6695
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b902910a.txt
_cod_data_source_block           i7740
_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 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               7201000