Spirally configured cis-stilbene/fluorene hybrids as ambipolar, fluorescent materials for organic light emitting diode applications
Chen, Chien-Tien; Chao, Wei-Shan; Liu, Hao-Wei; Wei, Yi; Jou, Jwo-Huei; Kumar, Sudhir; RSC Advances 3 (2013) 9381–; doi:10.1039/c3ra41642a

data_7239074
_publ_section_title
;
 Spirally configured cis-stilbene/fluorene hybrids as ambipolar,
 fluorescent materials for organic light emitting diode applications
;
_journal_issue                   24
_journal_name_full               'RSC Advances'
_journal_page_first              9381
_journal_paper_doi               10.1039/c3ra41642a
_journal_volume                  3
_journal_year                    2013
_chemical_formula_moiety         'C40 H26 N2'
_chemical_formula_sum            'C40 H26 N2'
_chemical_formula_weight         534.63
_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_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                 94.814(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   16.4103(6)
_cell_length_b                   10.5880(4)
_cell_length_c                   16.0074(6)
_cell_measurement_reflns_used    0
_cell_measurement_temperature    200(2)
_cell_measurement_theta_max      0
_cell_measurement_theta_min      0
_cell_volume                     2771.51(18)
_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-86 (Sheldrick, 1986)'
_diffrn_ambient_temperature      200(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_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  0.0481
_diffrn_reflns_av_sigmaI/netI    0.0555
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            17458
_diffrn_reflns_theta_full        25.03
_diffrn_reflns_theta_max         25.03
_diffrn_reflns_theta_min         2.31
_exptl_absorpt_coefficient_mu    0.074
_exptl_absorpt_correction_T_max  0.9911
_exptl_absorpt_correction_T_min  0.9525
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.281
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1120
_exptl_crystal_size_max          0.66
_exptl_crystal_size_mid          0.53
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.205
_refine_diff_density_min         -0.186
_refine_diff_density_rms         0.041
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.908
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     379
_refine_ls_number_reflns         4866
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.908
_refine_ls_R_factor_all          0.0591
_refine_ls_R_factor_gt           0.0420
_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^)+(0.0684P)^2^+0.4832P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1066
_refine_ls_wR_factor_ref         0.1184
_reflns_number_gt                3680
_reflns_number_total             4866
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3ra41642a.txt
_cod_data_source_block           a12892
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7239074