Thia[<i>n</i>]helicenes with long persistent phosphorescence.
Sun, Zhen; Xu, Wan; Qiu, Shuai; Ma, Zhiying; Li, Chunli; Zhang, Sheng; Wang, Hua; Chemical science 15 (2024) 1077–1087; doi:10.1039/d3sc05480b

data_1570532
_publ_section_title
;
 Thia[<i>n</i>]helicenes with long persistent phosphorescence.
;
_journal_issue                   3
_journal_name_full               'Chemical science'
_journal_page_first              1077
_journal_page_last               1087
_journal_paper_doi               10.1039/d3sc05480b
_journal_volume                  15
_journal_year                    2024
_chemical_formula_moiety         'C23 H18 S3 Si'
_chemical_formula_sum            'C23 H18 S3 Si'
_chemical_formula_weight         418.64
_space_group_crystal_system      orthorhombic
_space_group_IT_number           61
_space_group_name_Hall           '-P 2ac 2ab'
_space_group_name_H-M_alt        'P b c a'
_atom_sites_solution_hydrogens   geom
_audit_creation_date             2020-09-30
_audit_creation_method
; 
Olex2 1.2 
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506) 
;
_audit_update_record
;
2022-12-11 deposited with the CCDC.	2023-12-08 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   21.1138(8)
_cell_length_b                   7.7627(2)
_cell_length_c                   24.2285(8)
_cell_measurement_reflns_used    9925
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      28.279
_cell_measurement_theta_min      2.559
_cell_volume                     3971.1(2)
_computing_cell_refinement       'SAINT V8.38A (?, 2016)'
_computing_data_collection       'Bruker XSCANS'
_computing_data_reduction        'SAINT V8.38A (?, 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    'SHELXT 2018/2 (Sheldrick, 2018)'
_diffrn_ambient_temperature      149.97
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker P4'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0791
_diffrn_reflns_av_unetI/netI     0.0526
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       28
_diffrn_reflns_limit_h_min       -24
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       31
_diffrn_reflns_limit_l_min       -32
_diffrn_reflns_number            32514
_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         28.291
_diffrn_reflns_theta_min         2.559
_exptl_absorpt_coefficient_mu    0.440
_exptl_absorpt_correction_T_max  0.7457
_exptl_absorpt_correction_T_min  0.3950
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'SADABS-2016/2 (Bruker,2016/2) was used for absorption correction. wR2(int) was 0.1514 before and 0.0988 after correction.'
_exptl_crystal_colour            yellow
_exptl_crystal_colour_primary    yellow
_exptl_crystal_density_diffrn    1.400
_exptl_crystal_description       block
_exptl_crystal_F_000             1744
_exptl_crystal_size_max          0.12
_exptl_crystal_size_mid          0.09
_exptl_crystal_size_min          0.04
_refine_diff_density_max         0.549
_refine_diff_density_min         -0.417
_refine_diff_density_rms         0.075
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.038
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     247
_refine_ls_number_reflns         4925
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.038
_refine_ls_R_factor_all          0.0590
_refine_ls_R_factor_gt           0.0450
_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^)+(0.0667P)^2^+1.2325P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1133
_refine_ls_wR_factor_ref         0.1254
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3946
_reflns_number_total             4925
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d3sc05480b2.cif
_cod_data_source_block           TB[6]H
_cod_depositor_comments
'Adding full bibliography for 1570529--1570532.cif.'
_cod_database_code               1570532
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_max   0.983
_shelx_estimated_absorpt_t_min   0.949
_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: 
 C1(H1), C2(H2), C3(H3), C5(H5), C6(H6), C8(H8), C9(H9), C14(H14), C19(H19) 
2.b Idealised Me refined as rotating group: 
 C21(H21A,H21B,H21C), C22(H22A,H22B,H22C), C23(H23A,H23B,H23C) 
;
_olex2_submission_special_instructions 'No special instructions were received'