Revealing resonance effects and intramolecular dipole interactions in the positional isomers of benzonitrile-core thermally activated delayed fluorescence materials
Kukhta, Nadzeya A.; Higginbotham, Heather F.; Matulaitis, Tomas; Danos, Andrew; Bismillah, Aisha N.; Haase, Nils; Etherington, Marc K.; Yufit, Dmitry S.; McGonigal, Paul R.; Gražulevičius, Juozas Vidas; Monkman, Andrew P.; Journal of Materials Chemistry C 7 (2019) 9184–; doi:10.1039/C9TC02742D

data_7237900
_publ_section_title
;
 Revealing resonance effects and intramolecular dipole interactions in the
 positional isomers of benzonitrile-core thermally activated delayed
 fluorescence materials
;
_journal_issue                   30
_journal_name_full               'Journal of Materials Chemistry C'
_journal_page_first              9184
_journal_paper_doi               10.1039/C9TC02742D
_journal_volume                  7
_journal_year                    2019
_chemical_formula_moiety         'C30 H34 N2'
_chemical_formula_sum            'C30 H34 N2'
_chemical_formula_weight         422.59
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_audit_creation_date             2019-03-01
_audit_creation_method
;
Olex2 1.2-beta
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506)
;
_audit_update_record
;
2019-05-20 deposited with the CCDC.	2019-06-28 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 98.270(4)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   10.5606(10)
_cell_length_b                   13.2594(12)
_cell_length_c                   17.6725(16)
_cell_measurement_reflns_used    9932
_cell_measurement_temperature    120.0
_cell_measurement_theta_max      31.23
_cell_measurement_theta_min      2.33
_cell_volume                     2448.9(4)
_computing_cell_refinement       'SAINT v8.38A (Bruker AXS, 2016)'
_computing_data_collection       'APEX3 v.2017.3_0 (Bruker AXS, 2017)'
_computing_data_reduction        'SAINT v8.38A (Bruker AXS, 2016)'
_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    'XS (Sheldrick, 2008)'
_diffrn_ambient_temperature      120.0
_diffrn_detector                 'Bruker PHOTON 100 CMOS'
_diffrn_detector_area_resol_mean 10.4
_diffrn_detector_type            'CMOS sensor'
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device       '3-circle diffractometer'
_diffrn_measurement_device_type  'Bruker D8 Venture'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  'focusing mirrors'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0512
_diffrn_reflns_av_unetI/netI     0.0349
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            50071
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.999
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         29.000
_diffrn_reflns_theta_min         2.329
_diffrn_source                   'microfocus sealed X-ray tube'
_diffrn_source_type              'Incoatec I\mS microsource'
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.066
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.9460
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'SADABS-2016/2 (Bruker,2016/2) was used for absorption correction. wR2(int) was 0.0970 before and 0.0442 after correction. The Ratio of minimum to maximum transmission is 0.9460. The \l/2 correction factor is Not present.'
_exptl_crystal_colour            'clear colourless'
_exptl_crystal_colour_lustre     clear
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.146
_exptl_crystal_description       prism
_exptl_crystal_F_000             912
_exptl_crystal_size_max          0.22
_exptl_crystal_size_mid          0.13
_exptl_crystal_size_min          0.11
_refine_diff_density_max         0.344
_refine_diff_density_min         -0.304
_refine_diff_density_rms         0.048
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.023
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     297
_refine_ls_number_reflns         6501
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.023
_refine_ls_R_factor_all          0.0729
_refine_ls_R_factor_gt           0.0470
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0580P)^2^+0.9090P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1112
_refine_ls_wR_factor_ref         0.1240
_reflns_Friedel_coverage         0.000
_reflns_number_gt                4762
_reflns_number_total             6501
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c9tc02742d2.cif
_cod_data_source_block           para_3_19srv079
_cod_database_code               7237900
_shelx_shelxl_version_number     2017/1
_shelx_estimated_absorpt_t_max   0.993
_shelx_estimated_absorpt_t_min   0.986
_computing_bruker_data_scaling   'SADABS V2012/1 (Bruker AXS Inc.)'
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Aromatic/amide H refined with riding coordinates:
 C2(H2), C3(H3), C5(H5), C9(H9), C11(H11), C12(H12), C25(H25), C26(H26),
 C28(H28), C29(H29)
2.b Idealised Me refined as rotating group:
 C14(H14A,H14B,H14C), C15(H15A,H15B,H15C), C17(H17A,H17B,H17C), C18(H18A,H18B,
 H18C), C19(H19A,H19B,H19C), C21(H21A,H21B,H21C), C22(H22A,H22B,H22C), C23(H23A,
 H23B,H23C)
;
_olex2_submission_special_instructions 'No special instructions were received'