Small molecules of chalcone derivatives with high two-photon absorption activities in the near-IR region
Jingyun Tan; Yujin Zhang; Meirong Zhang; Xiaohe Tian; Yiming Wang; Shengli Li; Chuankui Wang; Hongping Zhou; Jiaxiang Yang; Yupeng Tian; Jieying Wu; Journal of Materials Chemistry C 4 (2016) 3256–3267; doi:10.1039/C6TC00382F

data_7234669
_publ_section_title
;
 Small molecules of chalcone derivatives with high two-photon absorption
 activities in the near-IR region
;
_journal_name_full               'Journal of Materials Chemistry C'
_journal_page_first              3256
_journal_page_last               3267
_journal_paper_doi               10.1039/C6TC00382F
_journal_volume                  4
_journal_year                    2016
_chemical_formula_moiety         'C28 H26 N2 O3 S'
_chemical_formula_sum            'C28 H26 N2 O3 S'
_chemical_formula_weight         470.57
_chemical_melting_point          422
_chemical_name_systematic
; 
(E)-3-(5-(bis(4-ethoxyphenyl)amino)thiophen-2-yl)-1-
(pyridin-2-yl)prop-2-en-1-one
;
_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                89.231(9)
_cell_angle_beta                 81.249(9)
_cell_angle_gamma                89.949(9)
_cell_formula_units_Z            2
_cell_length_a                   7.406(5)
_cell_length_b                   11.831(9)
_cell_length_c                   14.142(10)
_cell_measurement_reflns_used    2882
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      26.46
_cell_measurement_theta_min      2.24
_cell_volume                     1224.6(15)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.987
_diffrn_measured_fraction_theta_max 0.987
_diffrn_measurement_device_type  '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  0.0255
_diffrn_reflns_av_sigmaI/netI    0.0380
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            8991
_diffrn_reflns_theta_full        25.49
_diffrn_reflns_theta_max         25.49
_diffrn_reflns_theta_min         1.72
_exptl_absorpt_coefficient_mu    0.164
_exptl_absorpt_correction_T_max  0.9663
_exptl_absorpt_correction_T_min  0.9632
_exptl_absorpt_correction_type   psi-scan
_exptl_absorpt_process_details   'SADABS; Bruker, 2000'
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.276
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             496
_exptl_crystal_preparation       Luminescent
_exptl_crystal_recrystallization_method
'Re-crystallisation from solvent: acetonitrile'
_exptl_crystal_size_max          0.23
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.21
_refine_diff_density_max         0.142
_refine_diff_density_min         -0.207
_refine_diff_density_rms         0.032
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.970
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     338
_refine_ls_number_reflns         4467
_refine_ls_number_restraints     4
_refine_ls_restrained_S_all      0.985
_refine_ls_R_factor_all          0.0636
_refine_ls_R_factor_gt           0.0421
_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^)+(0.0453P)^2^+0.2685P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0994
_refine_ls_wR_factor_ref         0.1080
_reflns_number_gt                3232
_reflns_number_total             4467
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            J-Mater-Chem-C-2016-4-3256.cif
_cod_data_source_block           OC1
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7234669