Stereoselective synthesis of folded luminogens with arene-arene stacking interactions and aggregation-enhanced emission
Zujin Zhao; Bairong He; Han Nie; Bin Chen; Ping Lu; Anjun Qin; Ben Zhong Tang; Chem.Commun. 50 (2014) 1131–; doi:10.1039/c3cc47696k

data_7110334
_publ_section_title
;
 Stereoselective synthesis of folded luminogens with arene-arene stacking
 interactions and aggregation-enhanced emission
;
_journal_name_full               Chem.Commun.
_journal_page_first              1131
_journal_paper_doi               10.1039/c3cc47696k
_journal_volume                  50
_journal_year                    2014
_chemical_formula_sum            'C40 H32 O2'
_chemical_formula_weight         544.66
_space_group_IT_number           14
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.577(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.3819(3)
_cell_length_b                   9.2364(5)
_cell_length_c                   34.2924(15)
_cell_measurement_temperature    293(2)
_cell_volume                     2971.5(2)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_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  0.0333
_diffrn_reflns_av_sigmaI/netI    0.0418
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       35
_diffrn_reflns_limit_l_min       -41
_diffrn_reflns_number            11990
_diffrn_reflns_theta_full        25.35
_diffrn_reflns_theta_max         25.35
_diffrn_reflns_theta_min         2.84
_exptl_absorpt_coefficient_mu    0.073
_exptl_absorpt_correction_T_max  0.9833
_exptl_absorpt_correction_T_min  0.9769
_exptl_crystal_density_diffrn    1.217
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             1152
_exptl_crystal_size_max          0.32
_exptl_crystal_size_mid          0.26
_exptl_crystal_size_min          0.23
_refine_diff_density_max         0.172
_refine_diff_density_min         -0.196
_refine_diff_density_rms         0.034
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.025
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     381
_refine_ls_number_reflns         5418
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.025
_refine_ls_R_factor_all          0.0805
_refine_ls_R_factor_gt           0.0495
_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^)+(0.0498P)^2^+0.5471P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1068
_refine_ls_wR_factor_ref         0.1278
_reflns_number_gt                3718
_reflns_number_total             5418
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3cc47696k.txt
_cod_data_source_block           121204_h_12_11_23_zdjy
_cod_original_cell_volume        2971.4(2)
_cod_database_code               7110334