Doping-activated thermal polymorphic transition of luminescent organic crystals
Furukawa, Haruto; Tachikawa, Takashi; Ito, Suguru; Chemical Communications  (2026) –; doi:10.1039/D6CC00603E

data_7135685
_publ_section_title
;
 Doping-activated thermal polymorphic transition of luminescent organic
 crystals.
;
_journal_issue                   31
_journal_name_full               'Chemical communications (Cambridge, England)'
_journal_page_first              8008
_journal_page_last               8012
_journal_paper_doi               10.1039/d6cc00603e
_journal_volume                  62
_journal_year                    2026
_chemical_formula_moiety         'C14 H8 N2 S2'
_chemical_formula_sum            'C14 H8 N2 S2'
_chemical_formula_weight         268.35
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_update_record
;
2026-01-26 deposited with the CCDC.	2026-03-30 downloaded from the CCDC.
;
_cell_angle_alpha                94.417(2)
_cell_angle_beta                 100.472(2)
_cell_angle_gamma                112.224(2)
_cell_formula_units_Z            2
_cell_length_a                   7.60011(17)
_cell_length_b                   7.9229(2)
_cell_length_c                   10.8059(3)
_cell_measurement_reflns_used    4012
_cell_measurement_temperature    223
_cell_measurement_theta_max      72.96
_cell_measurement_theta_min      6.12
_cell_volume                     584.66(3)
_computing_cell_refinement       'CrysAlisPro 1.171.40.66a (Rigaku OD, 2019)'
_computing_data_collection       'CrysAlisPro 1.171.40.66a (Rigaku OD, 2019)'
_computing_data_reduction        'CrysAlisPro 1.171.40.66a (Rigaku OD, 2019)'
_computing_molecular_graphics    'CrystalStructure 4.2.5'
_computing_publication_material  'CrystalStructure 4.2.5 (Rigaku, 2017)'
_computing_structure_refinement  'SHELXL Version 2014/7 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXT Version 2014/4 (Sheldrick, 2014)'
_diffrn_ambient_temperature      223
_diffrn_detector_area_resol_mean 5.814
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device_type  'Rigaku XtaLAB P200'
_diffrn_measurement_method       \w
_diffrn_radiation_type           'Cu K\a'
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0506
_diffrn_reflns_Laue_measured_fraction_full 0.993
_diffrn_reflns_Laue_measured_fraction_max 0.992
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            4931
_diffrn_reflns_point_group_measured_fraction_full 0.993
_diffrn_reflns_point_group_measured_fraction_max 0.992
_diffrn_reflns_theta_full        67.684
_diffrn_reflns_theta_max         68.250
_diffrn_reflns_theta_min         6.113
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    3.949
_exptl_absorpt_correction_T_max  0.888
_exptl_absorpt_correction_T_min  0.399
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.40.66a (Rigaku Oxford Diffraction, 2019)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.524
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             276.00
_exptl_crystal_preparation       Luminescent
_exptl_crystal_recrystallization_method
'Re-crystallisation from solvent: cyclohexane'
_exptl_crystal_size_max          0.200
_exptl_crystal_size_mid          0.100
_exptl_crystal_size_min          0.030
_refine_diff_density_max         0.39
_refine_diff_density_min         -0.40
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.080
_refine_ls_hydrogen_treatment    constr
_refine_ls_number_parameters     163
_refine_ls_number_reflns         2128
_refine_ls_number_restraints     0
_refine_ls_R_factor_all          0.0469
_refine_ls_R_factor_gt           0.0363
_refine_ls_shift/su_max          0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w = 1/[\s^2^(Fo^2^)+(0.0580P)^2^+0.2574P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1028
_refine_ls_wR_factor_ref         0.1039
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2016
_reflns_number_total             2128
_reflns_threshold_expression     F^2^>2.0\s(F^2^)
_cod_data_source_file            d6cc00603e2.cif
_cod_data_source_block           hrt330
_cod_depositor_comments
'Adding full bibliography for 7135685--7135686.cif.'
_cod_database_code               7135685
_shelx_res_checksum              65575
_shelx_hkl_checksum              74407