AEE-active cyclic tetraphenylsilole derivatives with σim 100% solid-state fluorescence quantum efficiency.
Cai, Yuanjing; Samedov, Kerim; Dolinar, Brian S.; Albright, Haley; Song, Zhegang; Zhang, Chaocan; Tang, Ben Zhong; West, Robert; Dalton transactions (Cambridge, England : 2003) 44 (2015) 12970–12975; doi:10.1039/c5dt01846c

data_7035452
_publ_section_title
;
 AEE-active cyclic tetraphenylsilole derivatives with \sim 100%
 solid-state fluorescence quantum efficiency.
;
_journal_issue                   29
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              12970
_journal_page_last               12975
_journal_paper_doi               10.1039/c5dt01846c
_journal_volume                  44
_journal_year                    2015
_chemical_formula_moiety         'C32 H32 O3 Si3'
_chemical_formula_sum            'C32 H32 O3 Si3'
_chemical_formula_weight         548.84
_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
_audit_update_record
;
2014-06-25 deposited with the CCDC.
2015-06-15 downloaded from the CCDC.
;
_cell_angle_alpha                88.787(14)
_cell_angle_beta                 86.10(2)
_cell_angle_gamma                79.312(18)
_cell_formula_units_Z            4
_cell_length_a                   11.360(4)
_cell_length_b                   13.726(5)
_cell_length_c                   19.888(7)
_cell_measurement_reflns_used    9875
_cell_measurement_temperature    100.0
_cell_measurement_theta_max      26.36
_cell_measurement_theta_min      2.44
_cell_volume                     3040.1(19)
_computing_cell_refinement       'SAINT+ Ver. 7.68A (Bruker-AXS, 2009)'
_computing_data_collection       'APEX2 Ver. 2012.14-3 (Bruker-AXS, 2012)'
_computing_data_reduction        'SAINT+ Ver. 7.68A'
_computing_molecular_graphics    SHELXTL
_computing_publication_material  SHELXTL
_computing_structure_refinement  SHELXTL
_computing_structure_solution
;
SHELX, G.M. Sheldrick, Acta Cryst.
(2008). A64, 112-122
;
_diffrn_ambient_temperature      100.0
_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 0.995
_diffrn_measurement_device       'three-circle diffractometer'
_diffrn_measurement_device_type  'Bruker SMART APEX2 area detector'
_diffrn_measurement_method       '0.5\ \w and 0.5\ \f scans'
_diffrn_radiation_collimation    'focusing mirrors'
_diffrn_radiation_monochromator  'mirror optics'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_radiation_xray_symbol    K-L~3~
_diffrn_reflns_av_R_equivalents  0.0450
_diffrn_reflns_av_unetI/netI     0.0393
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.995
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            52907
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.995
_diffrn_reflns_theta_full        26.000
_diffrn_reflns_theta_max         26.407
_diffrn_reflns_theta_min         1.510
_diffrn_source                   'microfocus sealed X-ray tube'
_diffrn_source_type              'Incoatec I\ms'
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.186
_exptl_absorpt_correction_T_max  0.7454
_exptl_absorpt_correction_T_min  0.6566
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2012/1 (Bruker,2012) was used for absorption correction.
wR2(int) was 0.0790 before and 0.0494 after correction.
The Ratio of minimum to maximum transmission is 0.8809.
The \l/2 correction factor is Not present.
;
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.199
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1160
_exptl_crystal_size_max          0.199
_exptl_crystal_size_mid          0.192
_exptl_crystal_size_min          0.084
_refine_diff_density_max         0.491
_refine_diff_density_min         -0.292
_refine_diff_density_rms         0.054
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.046
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     693
_refine_ls_number_reflns         12420
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.046
_refine_ls_R_factor_all          0.0564
_refine_ls_R_factor_gt           0.0399
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0504P)^2^+1.2920P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0979
_refine_ls_wR_factor_ref         0.1062
_reflns_Friedel_coverage         0.000
_reflns_number_gt                9799
_reflns_number_total             12420
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c5dt01846c2.cif
_cod_data_source_block           1
_cod_depositor_comments
'Adding full bibliography for 7035452--7035454.cif.'
_cod_original_cell_volume        3040(2)
_cod_database_code               7035452
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
 At 1.5 times of:
  All C(H,H,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), C6A(H6A), C7A(H7A), C8A(H8A),
 C9A(H9A), C10A(H10A), C12A(H12A), C13A(H13A), C14A(H14A), C15A(H15A),
 C16A(H16A), C18A(H18A), C19A(H19A), C20A(H20A), C21A(H21A), C22A(H22A),
 C24A(H24A), C25A(H25A), C26A(H26A), C27A(H27A), C28A(H28A)
2.b Idealised Me refined as rotating group:
 C29(H29A,H29B,H29C), C30(H30A,H30B,H30C), C31(H31A,H31B,H31C), C32(H32A,H32B,
 H32C), C29A(H29D,H29E,H29F), C30A(H30D,H30E,H30F), C31A(H31D,H31E,H31F),
 C32A(H32D,H32E,H32F)
;
_shelx_res_checksum              40735