Properties modulation of organic semi-conductors based on a donor-spiro-acceptor (D-spiro-A) molecular design: new host materials for efficient sky-blue PhOLEDs
Maxime Romain; Denis Tondelier; Olivier Jeannin; Bernard Geffroy; Joelle Rault-Berthelot; Cyril Poriel; Journal of Materials Chemistry C 3 (2015) 9701–9713; doi:10.1039/C5TC01812A

data_7234463
_publ_section_title
;
 Properties modulation of organic semi-conductors based on a
 donor-spiro-acceptor (D-spiro-A) molecular design: new host materials for
 efficient sky-blue PhOLEDs
;
_journal_name_full               'Journal of Materials Chemistry C'
_journal_page_first              9701
_journal_page_last               9713
_journal_paper_doi               10.1039/C5TC01812A
_journal_volume                  3
_journal_year                    2015
_chemical_formula_moiety         'C29 H19 N3, 2(C H Cl3)'
_chemical_formula_sum            'C31 H21 Cl6 N3'
_chemical_formula_weight         648.21
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90.00
_cell_angle_beta                 92.164(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.7816(5)
_cell_length_b                   17.2667(11)
_cell_length_c                   21.6500(13)
_cell_measurement_reflns_used    7193
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      27.08
_cell_measurement_theta_min      2.54
_cell_volume                     2906.9(3)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SAINT'
_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    'SIR97 (Altomare et al., 1999)'
_diffrn_ambient_temperature      150(2)
_diffrn_detector                 'CCD plate'
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'APEXII, Bruker-AXS'
_diffrn_measurement_method       'CCD rotation images, thin slices'
_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  0.0393
_diffrn_reflns_av_sigmaI/netI    0.0382
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -28
_diffrn_reflns_number            25701
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         1.51
_exptl_absorpt_coefficient_mu    0.619
_exptl_absorpt_correction_T_max  0.964
_exptl_absorpt_correction_T_min  0.908
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
  [Sheldrick, G.M. (2002). SADABS Bruker AXS Inc., Madison, Wisconsin, USA]
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.481
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1320
_exptl_crystal_size_max          0.26
_exptl_crystal_size_mid          0.13
_exptl_crystal_size_min          0.06
_refine_diff_density_max         0.525
_refine_diff_density_min         -0.666
_refine_diff_density_rms         0.068
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.054
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     361
_refine_ls_number_reflns         6660
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.054
_refine_ls_R_factor_all          0.0632
_refine_ls_R_factor_gt           0.0446
_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^)+(0.0599P)^2^+2.1297P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1185
_refine_ls_wR_factor_ref         0.1324
_reflns_number_gt                5039
_reflns_number_total             6660
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            J-Mater-Chem-C-2015-3-9701.cif
_cod_data_source_block           4
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               7234463