High solid-state fluorescence in ring-shaped AEE-active tetraphenylsilole derivatives
Yuanjing Cai; Kerim Samedov; Haley Albright; Brian S. Dolinar; Ilia A. Guzei; Rongrong Hu; Chaocan Zhang; Ben Zhong Tang; Robert West; Chem.Commun. 50 (2014) 12714–; doi:10.1039/C4cc06203E

data_7115798
_publ_section_title
;
 High solid-state fluorescence in ring-shaped AEE-active tetraphenylsilole
 derivatives
;
_journal_name_full               Chem.Commun.
_journal_page_first              12714
_journal_paper_doi               10.1039/C4cc06203E
_journal_volume                  50
_journal_year                    2014
_chemical_formula_moiety         'C80 H60 O4 Si4'
_chemical_formula_sum            'C80 H60 O4 Si4'
_chemical_formula_weight         1197.64
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_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
_cell_angle_alpha                115.699(4)
_cell_angle_beta                 103.433(5)
_cell_angle_gamma                101.434(5)
_cell_formula_units_Z            1
_cell_length_a                   11.226(3)
_cell_length_b                   12.704(3)
_cell_length_c                   13.186(3)
_cell_measurement_reflns_used    2423
_cell_measurement_temperature    100(2)
_cell_volume                     1549.3(7)
_computing_cell_refinement       'SAINT+ Ver. 7.68A (Bruker-AXS, 2009)'
_computing_data_collection       'APEX2 Ver. 2012.14-3 (Bruker-AXS, 2012)'
_computing_structure_refinement  SHELXTL
_computing_structure_solution    'SHELXTL (Sheldrick, 2008-2012)'
_diffrn_ambient_temperature      100.01
_diffrn_detector_area_resol_mean 7.9
_diffrn_detector_type            'CCD area detector'
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.990
_diffrn_measurement_device       'three-circle diffractometer'
_diffrn_radiation_collimation    'focusing mirrors'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0512
_diffrn_reflns_av_unetI/netI     0.0541
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.990
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            22893
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.990
_diffrn_reflns_theta_full        25.000
_diffrn_reflns_theta_max         26.585
_diffrn_reflns_theta_min         1.837
_diffrn_source                   'microfocus sealed X-ray tube'
_diffrn_source_type              'Incoatec I\ms'
_exptl_absorpt_coefficient_mu    0.150
_exptl_absorpt_correction_T_max  0.9936
_exptl_absorpt_correction_T_min  0.8800
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2012/1 (Bruker,2012) was used for absorption correction.
wR2(int) was 0.0629 before and 0.0492 after correction.
The Ratio of minimum to maximum transmission is 0.8857.
The \l/2 correction factor is Not present.
;
_exptl_crystal_density_diffrn    1.284
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             628
_exptl_crystal_size_max          0.151
_exptl_crystal_size_mid          0.059
_exptl_crystal_size_min          0.048
_refine_diff_density_max         0.374
_refine_diff_density_min         -0.339
_refine_diff_density_rms         0.054
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.019
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     397
_refine_ls_number_reflns         6424
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.019
_refine_ls_R_factor_all          0.0685
_refine_ls_R_factor_gt           0.0442
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0421P)^2^+0.7211P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0952
_refine_ls_wR_factor_ref         0.1046
_reflns_Friedel_coverage         0.000
_reflns_number_gt                4769
_reflns_number_total             6424
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c4cc06203e2.cif
_cod_data_source_block           4
_cod_database_code               7115798
_shelx_estimated_absorpt_t_max   0.993
_shelx_estimated_absorpt_t_min   0.978
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
2.a Aromatic/amide H refined with riding coordinates:
 C6(H6), C7(H7), C8(H8), C9(H9), C10(H10), C12(H12), C13(H13), C14(H14),
 C15(H15), C16(H16), C18(H18), C19(H19), C20(H20), C21(H21), C22(H22), C24(H24),
  C25(H25), C26(H26), C27(H27), C28(H28), C30(H30), C31(H31), C32(H32),
 C33(H33), C34(H34), C36(H36), C37(H37), C38(H38), C39(H39), C40(H40)
;
_shelx_res_checksum              21999