Sequential halochromic/mechanochromic luminescence of pyridyl-substituted solid-state emissive dyes: thermally controlled stepwise recovery of the original emission color
Ito, Suguru; Nishimoto, Chika; Nagai, Sayaka; CrystEngComm 21 (2019) 5699–; doi:10.1039/C9CE01037H

data_7233399
_publ_section_title
;
 Sequential halochromic/mechanochromic luminescence of pyridyl-substituted
 solid-state emissive dyes: thermally controlled stepwise recovery of the
 original emission color
;
_journal_issue                   38
_journal_name_full               CrystEngComm
_journal_page_first              5699
_journal_paper_doi               10.1039/C9CE01037H
_journal_volume                  21
_journal_year                    2019
_chemical_formula_moiety         'C40 H24 N6 O2 S'
_chemical_formula_sum            'C40 H24 N6 O2 S'
_chemical_formula_weight         652.73
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_update_record
;
2019-06-20 deposited with the CCDC.    2019-08-01 downloaded from the CCDC.
;
_cell_angle_alpha                90.0000
_cell_angle_beta                 94.3128(6)
_cell_angle_gamma                90.0000
_cell_formula_units_Z            4
_cell_length_a                   9.72297(7)
_cell_length_b                   17.69375(11)
_cell_length_c                   18.28982(12)
_cell_measurement_reflns_used    19946
_cell_measurement_temperature    223
_cell_measurement_theta_max      75.03
_cell_measurement_theta_min      4.86
_cell_volume                     3137.59(4)
_computing_cell_refinement       'CrysAlisPro 1.171.39.46e (Rigaku OD, 2018)'
_computing_data_collection       'CrysAlisPro 1.171.39.46e (Rigaku OD, 2018)'
_computing_data_reduction        'CrysAlisPro 1.171.39.46e (Rigaku OD, 2018)'
_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    'SIR2011 (Burla, et al., 2012)'
_diffrn_ambient_temperature      223
_diffrn_detector_area_resol_mean 5.811
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_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  0.0333
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 1.000
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            34401
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 1.000
_diffrn_reflns_theta_full        67.684
_diffrn_reflns_theta_max         68.249
_diffrn_reflns_theta_min         4.850
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.304
_exptl_absorpt_correction_T_max  0.795
_exptl_absorpt_correction_T_min  0.696
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.39.46e (Rigaku Oxford Diffraction, 2018)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.382
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1352.00
_exptl_crystal_preparation       Luminescent
_exptl_crystal_recrystallization_method
'Re-crystallisation from solvent: hexane/chloroform'
_exptl_crystal_size_max          0.288
_exptl_crystal_size_mid          0.255
_exptl_crystal_size_min          0.176
_refine_diff_density_max         0.20
_refine_diff_density_min         -0.31
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.025
_refine_ls_hydrogen_treatment    mixed
_refine_ls_number_parameters     446
_refine_ls_number_reflns         5741
_refine_ls_number_restraints     0
_refine_ls_R_factor_all          0.0386
_refine_ls_R_factor_gt           0.0357
_refine_ls_shift/su_max          0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w = 1/[\s^2^(Fo^2^)+(0.0426P)^2^+1.1529P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0920
_refine_ls_wR_factor_ref         0.0942
_reflns_Friedel_coverage         0.000
_reflns_number_gt                5253
_reflns_number_total             5741
_reflns_threshold_expression     F^2^>2.0\s(F^2^)
_cod_data_source_file            c9ce01037h2.cif
_cod_data_source_block           mix_CN_BA
_cod_depositor_comments
'Adding full bibliography for 7233396--7233400.cif.'
_cod_database_code               7233399
_shelx_res_checksum              41858