Tunable mechanochromic luminescence of 2-alkyl-4-(pyren-1-yl)thiophenes: Controlling the self-recovering properties and the range of chromism
Ikeya, Minako; Katada, Genki; Ito, Suguru; Chemical Communications  (2019) –; doi:10.1039/C9CC06406K

data_7124151
_publ_section_title
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 Tunable mechanochromic luminescence of 2-alkyl-4-(pyren-1-yl)thiophenes:
 Controlling the self-recovering properties and the range of chromism
;
_journal_name_full               'Chemical Communications'
_journal_paper_doi               10.1039/C9CC06406K
_journal_year                    2019
_chemical_absolute_configuration 'CHOOSE rm ad rmad syn or unk'
_chemical_formula_moiety         'C23 H18 S'
_chemical_formula_sum            'C23 H18 S'
_chemical_formula_weight         326.46
_chemical_melting_point          341.1(10)
_chemical_name_systematic        2-Propyl-4-(pyren-1-yl)thiophene
_space_group_crystal_system      orthorhombic
_space_group_IT_number           19
_space_group_name_Hall           'P 2ac 2ab'
_space_group_name_H-M_alt        'P 21 21 21'
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_update_record
;
2019-08-15 deposited with the CCDC.    2019-09-12 downloaded from the CCDC.
;
_cell_angle_alpha                90.0000
_cell_angle_beta                 90.0000
_cell_angle_gamma                90.0000
_cell_formula_units_Z            4
_cell_length_a                   7.65747(11)
_cell_length_b                   14.0292(2)
_cell_length_c                   15.4998(2)
_cell_measurement_reflns_used    5178
_cell_measurement_temperature    223
_cell_measurement_theta_max      72.73
_cell_measurement_theta_min      4.25
_cell_volume                     1665.12(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 0.999
_diffrn_measured_fraction_theta_max 0.999
_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  0.0302
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            7128
_diffrn_reflns_point_group_measured_fraction_full 0.973
_diffrn_reflns_point_group_measured_fraction_max 0.971
_diffrn_reflns_theta_full        67.684
_diffrn_reflns_theta_max         68.230
_diffrn_reflns_theta_min         4.251
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.693
_exptl_absorpt_correction_T_max  0.805
_exptl_absorpt_correction_T_min  0.638
_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            colourless
_exptl_crystal_density_diffrn    1.302
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             688.00
_exptl_crystal_preparation       Luminescent
_exptl_crystal_recrystallization_method
'Re-crystallisation from solvent: acetonitrile'
_exptl_crystal_size_max          0.221
_exptl_crystal_size_mid          0.178
_exptl_crystal_size_min          0.128
_refine_diff_density_max         0.21
_refine_diff_density_min         -0.22
_refine_ls_abs_structure_details
;
 Flack x determined using 1069 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   -0.011(14)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.074
_refine_ls_hydrogen_treatment    constr
_refine_ls_number_parameters     217
_refine_ls_number_reflns         2959
_refine_ls_number_restraints     0
_refine_ls_R_factor_all          0.0369
_refine_ls_R_factor_gt           0.0351
_refine_ls_shift/su_max          0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w = 1/[\s^2^(Fo^2^)+(0.0481P)^2^+0.1412P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0910
_refine_ls_wR_factor_ref         0.0926
_reflns_Friedel_coverage         0.677
_reflns_Friedel_fraction_full    0.937
_reflns_Friedel_fraction_max     0.932
_reflns_number_gt                2793
_reflns_number_total             2959
_reflns_threshold_expression     F^2^>2.0\s(F^2^)
_cod_data_source_file            c9cc06406k3.cif
_cod_data_source_block           mina245_1
_cod_depositor_comments
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The following automatic conversions were performed:

'_chemical_melting_point' value '340.15-342.15' was changed to
'341.1(10)' - the average value was taken and precision was
estimated.

Automatic conversion script
Id: cif_fix_values 4973 2017-02-22 13:04:09Z antanas 
;
_cod_database_code               7124151
_shelx_res_checksum              69334