Aggregation-enhanced emission and through-space conjugation of tetraarylethanes and folded tetraarylethenes
Yingying Zhang; Bairong He; Wenwen Luo; Huiren Peng; Shuming Chen; Rongrong Hu; Anjun Qin; Zujin Zhao; Ben Zhong Tang; Journal of Materials Chemistry C 4 (2016) 9316–9324; doi:10.1039/C6TC03767D

data_7235042
_publ_section_title
;
 Aggregation-enhanced emission and through-space conjugation of
 tetraarylethanes and folded tetraarylethenes
;
_journal_name_full               'Journal of Materials Chemistry C'
_journal_page_first              9316
_journal_page_last               9324
_journal_paper_doi               10.1039/C6TC03767D
_journal_volume                  4
_journal_year                    2016
_chemical_formula_moiety         'C50 H36'
_chemical_formula_sum            'C50 H36'
_chemical_formula_weight         636.79
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                95.226(2)
_cell_angle_beta                 93.210(2)
_cell_angle_gamma                94.902(2)
_cell_formula_units_Z            4
_cell_length_a                   9.8761(7)
_cell_length_b                   18.5457(14)
_cell_length_c                   19.1881(15)
_cell_measurement_reflns_used    2600
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      22.27
_cell_measurement_theta_min      2.26
_cell_volume                     3479.9(5)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.991
_diffrn_measurement_device_type  'APEX2 CCD detector'
_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  0.0475
_diffrn_reflns_av_sigmaI/netI    0.1098
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            24247
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         1.07
_exptl_absorpt_coefficient_mu    0.069
_exptl_absorpt_correction_T_max  0.7454
_exptl_absorpt_correction_T_min  0.6854
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Bruker, 2011)'
_exptl_crystal_density_diffrn    1.215
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1344
_exptl_crystal_size_max          0.49
_exptl_crystal_size_mid          0.38
_exptl_crystal_size_min          0.34
_refine_diff_density_max         0.185
_refine_diff_density_min         -0.212
_refine_diff_density_rms         0.048
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.043
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     901
_refine_ls_number_reflns         13564
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.043
_refine_ls_R_factor_all          0.1379
_refine_ls_R_factor_gt           0.0562
_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^)+(0.0372P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0980
_refine_ls_wR_factor_ref         0.1333
_reflns_number_gt                6782
_reflns_number_total             13564
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            J-Mater-Chem-C-2016-4-9316.cif
_cod_data_source_block           3
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_symmetry_cell_setting' value 'Triclinic' was changed to
'triclinic' in accordance with the built-in table derived from the
CIF Core dictionary named 'cif_core.dic' version 2.4.5 last updated
on 2014-11-21.

Automatic conversion script
Id: cif_fix_values 6909 2019-04-08 15:41:33Z antanas 
;
_cod_original_sg_symbol_Hall     '-P 1   '
_cod_original_sg_symbol_H-M      'P-1   '
_cod_database_code               7235042