2-(Anthracenyl)-4,5-bis(2,5-dimethyl(3-thienyl))-1H-imidazole: regulatable stacking structures, reversible grinding- and heating-induced emission switching, and solid-state photodimerization behavior
Chen, Jun-Feng; Gong, Dan-Ping; Wen, Jing; Ma, Haibo; Cao, Deng-Ke; Chem. Sci. 7 (2016) 451–; doi:10.1039/C5SC03201F

data_1534397
_publ_section_title
;
 2-(Anthracenyl)-4,5-bis(2,5-dimethyl(3-thienyl))-1H-imidazole:
 regulatable stacking structures, reversible grinding- and heating-induced
 emission switching, and solid-state photodimerization behavior
;
_journal_issue                   1
_journal_name_full               'Chem. Sci.'
_journal_page_first              451
_journal_paper_doi               10.1039/C5SC03201F
_journal_volume                  7
_journal_year                    2016
_chemical_formula_moiety         'C29 H24 N2 S2, C H Cl3'
_chemical_formula_sum            'C30 H25 Cl3 N2 S2'
_chemical_formula_weight         583.99
_space_group_IT_number           170
_symmetry_cell_setting           hexagonal
_symmetry_space_group_name_Hall  'P 65'
_symmetry_space_group_name_H-M   'P 65'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2015-07-27 deposited with the CCDC.
2015-10-08 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                120.00
_cell_formula_units_Z            6
_cell_length_a                   13.8888(10)
_cell_length_b                   13.8888(10)
_cell_length_c                   25.754(4)
_cell_measurement_reflns_used    1678
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      18.25
_cell_measurement_theta_min      2.31
_cell_volume                     4302.3(8)
_computing_cell_refinement       SMART
_computing_data_collection       'SMART (Bruker, 2000)'
_computing_data_reduction        'SAINT (Bruker, 2000)'
_computing_molecular_graphics    SHELXTL
_computing_publication_material  SHELXTL
_computing_structure_refinement  SHELXTL
_computing_structure_solution    'SHELXTL (Bruker, 2000)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Bruker Smart Aepex CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1014
_diffrn_reflns_av_sigmaI/netI    0.0745
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       33
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            27790
_diffrn_reflns_theta_full        27.53
_diffrn_reflns_theta_max         27.53
_diffrn_reflns_theta_min         1.69
_exptl_absorpt_coefficient_mu    0.488
_exptl_absorpt_correction_T_max  0.952
_exptl_absorpt_correction_T_min  0.916
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS; Bruker, 2000'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.352
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needlike
_exptl_crystal_F_000             1812
_exptl_crystal_size_max          0.3
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.275
_refine_diff_density_min         -0.284
_refine_diff_density_rms         0.060
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.00
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.032
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     334
_refine_ls_number_reflns         5647
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.032
_refine_ls_R_factor_all          0.1269
_refine_ls_R_factor_gt           0.0631
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0533P)^2^+3.3785P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1294
_refine_ls_wR_factor_ref         0.1637
_reflns_number_gt                3265
_reflns_number_total             5647
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c5sc03201f2.cif
_cod_data_source_block           1
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Hexagonal' changed to 'hexagonal'
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 3271 2015-04-21 07:52:19Z andrius 

 Adding full bibliography for 1534397--1534400.cif.
;
_cod_original_sg_symbol_Hall     'P6(5)   '
_cod_original_sg_symbol_H-M      'P6(5)   '
_cod_database_code               1534397