Enhanced AIE and different stimuli-responses in red fluorescent (1,3-dimethyl)barbituric acid-functionalized anthracenes
Guohui Yin; Yawen Ma; Yao Xiong; Xiaohui Cao; Yang Li; Ligong Chen; Journal of Materials Chemistry C 4 (2016) 751–757; doi:10.1039/C5TC03629A

data_7234544
_publ_section_title
;
 Enhanced AIE and different stimuli-responses in red fluorescent
 (1,3-dimethyl)barbituric acid-functionalized anthracenes
;
_journal_name_full               'Journal of Materials Chemistry C'
_journal_page_first              751
_journal_page_last               757
_journal_paper_doi               10.1039/C5TC03629A
_journal_volume                  4
_journal_year                    2016
_chemical_formula_sum            'C21 H16 N2 O3'
_chemical_formula_weight         344.36
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90.00
_cell_angle_beta                 91.261(16)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   8.2837(17)
_cell_length_b                   15.617(6)
_cell_length_c                   25.025(7)
_cell_measurement_reflns_used    4918
_cell_measurement_temperature    113(2)
_cell_measurement_theta_max      27.5
_cell_measurement_theta_min      3.1
_cell_volume                     3236.6(17)
_computing_cell_refinement       'CrystalClear-SM Expert 2.1 b42'
_computing_data_collection       'CrystalClear-SM Expert 2.1 b42 (Rigaku, 2015)'
_computing_data_reduction        'CrystalClear-SM Expert 2.1 b42'
_computing_molecular_graphics    'CrystalStructure 4.1'
_computing_publication_material  'CrystalStructure 4.1 (Rigaku, 2014)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      113(2)
_diffrn_detector_area_resol_mean 5.814
_diffrn_measured_fraction_theta_full 0.962
_diffrn_measured_fraction_theta_max 0.962
_diffrn_measurement_device_type  'Rigaku XtaLAB P200'
_diffrn_measurement_method       '\w and \f scans'
_diffrn_radiation_monochromator  multilayer
_diffrn_radiation_source         'rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0321
_diffrn_reflns_av_sigmaI/netI    0.0293
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       34
_diffrn_reflns_limit_l_min       -35
_diffrn_reflns_number            34463
_diffrn_reflns_theta_full        30.70
_diffrn_reflns_theta_max         30.70
_diffrn_reflns_theta_min         2.09
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.096
_exptl_absorpt_correction_T_max  0.9886
_exptl_absorpt_correction_T_min  0.9811
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'REQAB (Rigaku, 1998)'
_exptl_crystal_colour            'dark red'
_exptl_crystal_density_diffrn    1.413
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Prism
_exptl_crystal_F_000             1440
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.474
_refine_diff_density_min         -0.240
_refine_diff_density_rms         0.051
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.045
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     473
_refine_ls_number_reflns         9670
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.045
_refine_ls_R_factor_all          0.0560
_refine_ls_R_factor_gt           0.0425
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0783P)^2^+0.1779P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1221
_refine_ls_wR_factor_ref         0.1296
_reflns_number_gt                7556
_reflns_number_total             9670
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            J-Mater-Chem-C-2016-34-751.cif
_cod_data_source_block           shelx
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_exptl_absorpt_correction_type' value 'MULTI-SCAN' was
changed to 'multi-scan' 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.

data item '_refine_ls_hydrogen_treatment' value 'CONSTR' was changed
to 'constr' 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.

data item '_symmetry_cell_setting' value 'Monoclinic' was changed to
'monoclinic' 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_cell_volume        3236.7(16)
_cod_original_sg_symbol_H-M      P2(1)/n
_cod_database_code               7234544