High Fluorescence Efficiencies and Large Stokes Shifts of Folded Fluorophores Consisting of a Pair of Alkenyl-Tethered, π-Stacked Oligo-p-phenylenes.
He, Bairong; Nie, Han; Chen, Long; Lou, Xiaoding; Hu, Rongrong; Qin, Anjun; Zhao, Zujin; Tang, Ben Zhong; Organic letters 17 (2015) 6174–6177; doi:10.1021/acs.orglett.5b03152

data_1555463
_publ_section_title
;
 High Fluorescence Efficiencies and Large Stokes Shifts of Folded
 Fluorophores Consisting of a Pair of Alkenyl-Tethered, \p-Stacked
 Oligo-p-phenylenes.
;
_journal_issue                   24
_journal_name_full               'Organic letters'
_journal_page_first              6174
_journal_page_last               6177
_journal_paper_doi               10.1021/acs.orglett.5b03152
_journal_volume                  17
_journal_year                    2015
_chemical_formula_moiety         'C54 H44, C4 H8 O'
_chemical_formula_sum            'C58 H52 O'
_chemical_formula_weight         765.00
_space_group_IT_number           15
_space_group_name_Hall           '-C 2yc'
_space_group_name_H-M_alt        'C 1 2/c 1'
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 97.824(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   30.720(3)
_cell_length_b                   17.1740(11)
_cell_length_c                   16.3730(12)
_cell_measurement_reflns_used    4361
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      25.39
_cell_measurement_theta_min      3.08
_cell_volume                     8557.7(12)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.978
_diffrn_measured_fraction_theta_max 0.978
_diffrn_measurement_device_type  'PHOTON100 CMOS detector'
_diffrn_measurement_method       'omega scan'
_diffrn_radiation_monochromator  'TRIUMPH curved crystal monochromator'
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1008
_diffrn_reflns_av_sigmaI/netI    0.1137
_diffrn_reflns_limit_h_max       36
_diffrn_reflns_limit_h_min       -36
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            23412
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         3.07
_exptl_absorpt_coefficient_mu    0.068
_exptl_absorpt_correction_T_max  0.7452
_exptl_absorpt_correction_T_min  0.4744
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Bruker, 2013)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.188
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             3264
_exptl_crystal_size_max          0.22
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.301
_refine_diff_density_min         -0.325
_refine_diff_density_rms         0.059
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.188
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     582
_refine_ls_number_reflns         7375
_refine_ls_number_restraints     152
_refine_ls_restrained_S_all      1.184
_refine_ls_R_factor_all          0.1893
_refine_ls_R_factor_gt           0.1061
_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^)+(0.0441P)^2^+43.2081P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2099
_refine_ls_wR_factor_ref         0.2442
_reflns_number_gt                4049
_reflns_number_total             7375
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol5b03152_si_003.cif
_cod_data_source_block           1
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_symmetry_cell_setting' value 'Monoclinic' was changed to
'monoclinic' in accordance with the
/home/saulius/struct/COD-crude-data/automatic-downloads/DataCite-retrospective/ACS/depositions/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 last updated on
2011-04-26.

Automatic conversion script
Id: cif_fix_values 6909 2019-04-08 15:41:33Z antanas 
;
_cod_original_cell_volume        8557.7(11)
_cod_original_sg_symbol_Hall     '-C 2yc  '
_cod_original_sg_symbol_H-M      'C2/c  '
_cod_database_code               1555463