The interplay of thermally activated delayed fluorescence (TADF) and room temperature organic phosphorescence in sterically-constrained donor-acceptor charge-transfer molecules.
Ward, Jonathan S.; Nobuyasu, Roberto S.; Batsanov, Andrei S.; Data, Przemyslaw; Monkman, Andrew P.; Dias, Fernando B.; Bryce, Martin R.; Chemical communications (Cambridge, England) 52 (2016) 2612–2615; doi:10.1039/c5cc09645f

data_7118395
_publ_section_title
;
 The interplay of thermally activated delayed fluorescence (TADF) and room
 temperature organic phosphorescence in sterically-constrained
 donor-acceptor charge-transfer molecules.
;
_journal_issue                   12
_journal_name_full               'Chemical communications (Cambridge, England)'
_journal_page_first              2612
_journal_page_last               2615
_journal_paper_doi               10.1039/c5cc09645f
_journal_volume                  52
_journal_year                    2016
_chemical_formula_moiety         'C42 H34 N2 O2 S3'
_chemical_formula_sum            'C42 H34 N2 O2 S3'
_chemical_formula_weight         694.89
_space_group_crystal_system      monoclinic
_space_group_IT_number           15
_space_group_name_Hall           '-I 2ya'
_space_group_name_H-M_alt        'I 1 2/a 1'
_symmetry_space_group_name_Hall  '-I 2ya'
_symmetry_space_group_name_H-M   'I 1 2/a 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_date             2015-11-17
_audit_creation_method
;
Olex2 1.2-beta
(compiled 2015.11.10 svn.r3248 for OlexSys, GUI svn.r5133)
;
_audit_update_record
;
2015-11-17 deposited with the CCDC.
2016-01-04 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 98.962(3)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   12.7719(10)
_cell_length_b                   13.6832(10)
_cell_length_c                   19.915(2)
_cell_measurement_reflns_used    9808
_cell_measurement_temperature    120
_cell_measurement_theta_max      30.10
_cell_measurement_theta_min      2.20
_cell_volume                     3437.9(5)
_computing_cell_refinement       'SAINT v8.34A (Bruker, 2013)'
_computing_data_collection       'APEX2 v.2013.4_1 (Bruker, 2013)'
_computing_data_reduction        'SAINT v8.34A (Bruker, 2013)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement
'ShelXL 2014/7 multi-CPU version (Sheldrick, 2008)'
_computing_structure_solution    'ShelXS 2013/1 (Sheldrick, 2008)'
_diffrn_ambient_temperature      120
_diffrn_detector_type            'Bruker PHOTON 100 CMOS'
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device       '3-circle area detector 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  0.0296
_diffrn_reflns_av_unetI/netI     0.0180
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       -28
_diffrn_reflns_number            37349
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.998
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         30.119
_diffrn_reflns_theta_min         2.196
_diffrn_source                   'ImuS microsource'
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.256
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.9710
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2014/4 (Bruker,2014/4) was used for absorption correction.
wR2(int) was 0.0854 before and 0.0511 after correction.
The Ratio of minimum to maximum transmission is 0.9710.
The \l/2 correction factor is Not present.
;
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.343
_exptl_crystal_description       block
_exptl_crystal_F_000             1456
_exptl_crystal_recrystallization_method
'Re-crystallisation from solvent: DCM, hexane'
_exptl_crystal_size_max          0.297
_exptl_crystal_size_mid          0.239
_exptl_crystal_size_min          0.156
_refine_diff_density_max         0.414
_refine_diff_density_min         -0.324
_refine_diff_density_rms         0.057
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.048
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     226
_refine_ls_number_reflns         5057
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.048
_refine_ls_R_factor_all          0.0468
_refine_ls_R_factor_gt           0.0400
_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^)+(0.0600P)^2^+3.2350P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1081
_refine_ls_wR_factor_ref         0.1123
_reflns_Friedel_coverage         0.000
_reflns_number_gt                4454
_reflns_number_total             5057
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c5cc09645f2.cif
_cod_data_source_block           3
_cod_depositor_comments
;
The following automatic conversions were performed:

'_diffrn_radiation_probe' value 'X-ray' changed to 'x-ray' according
to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 4268 2015-11-12 08:31:59Z antanas 

 Adding full bibliography for 7118393--7118396.cif.
;
_cod_original_cell_volume        3437.8(5)
_cod_database_code               7118395
_shelx_estimated_absorpt_t_max   0.961
_shelx_estimated_absorpt_t_min   0.928
_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
2. Others
 Uiso(H20A)=Uiso(H20B)=Uiso(H20C)=FVAR(1)
 Uiso(H21A)=Uiso(H21B)=Uiso(H21C)=FVAR(2)
3.a Ternary CH refined with riding coordinates:
 C19(H19)
3.b Aromatic/amide H refined with riding coordinates:
 C3(H3), C5(H5), C6(H6), C9(H9), C10(H10), C11(H11), C12(H12), C15(H15),
 C16(H16), C17(H17)
3.c Idealised Me refined as rotating group:
 C20(H20A,H20B,H20C), C21(H21A,H21B,H21C)
;
_shelx_shelxl_version_number     2014/7
_olex2_diffrn_ambient_temperature_device 'Oxford Cryosystems'
_olex2_submission_special_instructions 'No special instructions were received'