Tuning Intramolecular Conformation and Packing Mode of Host Materials through Noncovalent Interactions for High-Efficiency Blue Electrophosphorescence.
Chen, Zhicai; Li, Huanhuan; Tao, Ye; Chen, Lingfeng; Chen, Cailin; Jiang, He; Xu, Shen; Zhou, Xinhui; Chen, Runfeng; Huang, Wei; ACS omega 4 (2019) 9129–9134; doi:10.1021/acsomega.9b00724

data_4515009
_publ_section_title
;
 Tuning Intramolecular Conformation and Packing Mode of Host Materials
 through Noncovalent Interactions for High-Efficiency Blue
 Electrophosphorescence.
;
_journal_issue                   5
_journal_name_full               'ACS omega'
_journal_page_first              9129
_journal_page_last               9134
_journal_paper_doi               10.1021/acsomega.9b00724
_journal_volume                  4
_journal_year                    2019
_chemical_formula_moiety         'C28 H18 N4'
_chemical_formula_sum            'C28 H18 N4'
_chemical_formula_weight         410.46
_space_group_crystal_system      orthorhombic
_space_group_IT_number           19
_space_group_name_Hall           'P 2ac 2ab'
_space_group_name_H-M_alt        'P 21 21 21'
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     dual
_audit_creation_date             2018-11-15
_audit_creation_method
;
Olex2 1.2
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506)
;
_audit_update_record
;
2019-03-13 deposited with the CCDC.    2019-05-15 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   10.7559(8)
_cell_length_b                   13.2279(10)
_cell_length_c                   14.0925(11)
_cell_measurement_reflns_used    5913
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      37.7
_cell_measurement_theta_min      2.0
_cell_volume                     2005.1(3)
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2015)'
_computing_structure_solution    'ShelXT (Sheldrick, 2015)'
_diffrn_ambient_temperature      298.45
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.928
_diffrn_measurement_device_type  'Bruker Smart Apex CCD'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0271
_diffrn_reflns_av_unetI/netI     0.0256
_diffrn_reflns_Laue_measured_fraction_full 0.993
_diffrn_reflns_Laue_measured_fraction_max 0.928
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            56142
_diffrn_reflns_point_group_measured_fraction_full 0.995
_diffrn_reflns_point_group_measured_fraction_max 0.911
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         37.735
_diffrn_reflns_theta_min         2.112
_exptl_absorpt_coefficient_mu    0.082
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.360
_exptl_crystal_description       block
_exptl_crystal_F_000             856
_refine_diff_density_max         0.371
_refine_diff_density_min         -0.284
_refine_diff_density_rms         0.052
_refine_ls_abs_structure_details
;
 Flack x determined using 3015 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   -0.5(6)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.088
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     353
_refine_ls_number_reflns         9780
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.088
_refine_ls_R_factor_all          0.0792
_refine_ls_R_factor_gt           0.0574
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0717P)^2^+0.3744P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1354
_refine_ls_wR_factor_ref         0.1535
_reflns_Friedel_coverage         0.781
_reflns_Friedel_fraction_full    0.997
_reflns_Friedel_fraction_max     0.889
_reflns_number_gt                7977
_reflns_number_total             9780
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            1902873.cif
_cod_data_source_block           111
_cod_database_code               4515009
_shelx_shelxl_version_number     2014/7
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
2.a Aromatic/amide H refined with riding coordinates:
 C19(H19), C25(H25)
;
_olex2_submission_special_instructions 'No special instructions were received'