Tetraphenylpyrazine-based AIEgens: facile preparation and tunable light emission
Chen, Ming; Li, Lingzhi; Nie, Han; Tong, Jiaqi; Yan, Lulin; Xu, Bin; Sun, Jing Zhi; Tian, Wenjing; Zhao, Zujin; Qin, Anjun; Tang, Ben Zhong; Chem. Sci. 6 (2015) 1932–; doi:10.1039/C4SC03365E

data_1518412
_publ_section_title
;
 Tetraphenylpyrazine-based AIEgens: facile preparation and tunable light
 emission
;
_journal_issue                   3
_journal_name_full               'Chem. Sci.'
_journal_page_first              1932
_journal_paper_doi               10.1039/C4SC03365E
_journal_volume                  6
_journal_year                    2015
_chemical_formula_moiety         'C32 H28 N2 O4'
_chemical_formula_sum            'C32 H28 N2 O4'
_chemical_formula_weight         504.56
_chemical_name_systematic        TPP-4M
_space_group_IT_number           2
_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
_audit_creation_method           SHELXL-97
_audit_update_record
;
2014-10-30 deposited with the CCDC.
2014-12-11 downloaded from the CCDC.
;
_cell_angle_alpha                68.542(11)
_cell_angle_beta                 70.492(10)
_cell_angle_gamma                88.089(9)
_cell_formula_units_Z            2
_cell_length_a                   9.7680(11)
_cell_length_b                   12.3063(14)
_cell_length_c                   12.4687(14)
_cell_measurement_reflns_used    1948
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      29.4335
_cell_measurement_theta_min      2.9851
_cell_volume                     1308.1(3)
_computing_cell_refinement       'CrysAlis PRO (Agilent Technologies, 2011)'
_computing_data_collection       'CrysAlis PRO'
_computing_data_reduction        'CrysAlis PRO'
_computing_molecular_graphics    'OLEX2 (Dolomanov et al., 2009)'
_computing_publication_material  OLEX2
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean 10.3592
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Xcalibur, Atlas, Gemini ultra'
_diffrn_measurement_method       '\w 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  0.0340
_diffrn_reflns_av_sigmaI/netI    0.0632
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            8065
_diffrn_reflns_theta_full        25.35
_diffrn_reflns_theta_max         25.35
_diffrn_reflns_theta_min         2.99
_exptl_absorpt_coefficient_mu    0.085
_exptl_absorpt_correction_T_max  0.9866
_exptl_absorpt_correction_T_min  0.9750
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlis PRO (Agilent Technologies, 2011) 
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.281
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             532
_exptl_crystal_preparation       Luminescent
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.16
_refine_diff_density_max         0.360
_refine_diff_density_min         -0.280
_refine_diff_density_rms         0.074
_refine_ls_extinction_coef       0.029(5)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.102
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     348
_refine_ls_number_reflns         4774
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.102
_refine_ls_R_factor_all          0.1215
_refine_ls_R_factor_gt           0.0894
_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^)+(0.0908P)^2^+3.9827P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2711
_refine_ls_wR_factor_ref         0.2907
_reflns_number_gt                3246
_reflns_number_total             4774
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4sc03365e2.cif
_cod_data_source_block           TPP-4M
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
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 2935 2014-11-11 08:27:57Z andrius 

 Adding full bibliography for 1518409--1518412.cif.
;
_cod_original_cell_volume        1308.1(2)
_cod_database_code               1518412