Strong and insusceptible photo-emissions from an intramolecular weak hydrogen bond strengthened twisted fluorophore.
Yu, Binhong; Liu, Danyang; Wang, Yi; Zhang, Ting; Zhang, Yu-Mo; Li, Minjie; Zhang, Sean Xiao-An; Physical chemistry chemical physics : PCCP 20 (2018) 23851–23855; doi:10.1039/c8cp04242j

data_7231487
_publ_section_title
;
 Strong and insusceptible photo-emissions from an intramolecular weak
 hydrogen bond strengthened twisted fluorophore.
;
_journal_issue                   37
_journal_name_full               'Physical chemistry chemical physics : PCCP'
_journal_page_first              23851
_journal_page_last               23855
_journal_paper_doi               10.1039/c8cp04242j
_journal_volume                  20
_journal_year                    2018
_chemical_formula_sum            'C34 H20 O2'
_chemical_formula_weight         460.50
_space_group_crystal_system      monoclinic
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_space_group_name_Hall           '-C 2yc'
_space_group_name_H-M_alt        'C 1 2/c 1'
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014/7
_audit_update_record
;
2018-06-26 deposited with the CCDC.
2018-09-03 downloaded from the CCDC.
;
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_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_diffrn_ambient_temperature      296(2)
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_diffrn_measured_fraction_theta_max 0.983
_diffrn_measurement_device_type  CCD
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_diffrn_reflns_av_unetI/netI     0.0764
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_exptl_absorpt_coefficient_mu    0.082
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.340
_exptl_crystal_description       Block
_exptl_crystal_F_000             960
_exptl_crystal_size_max          0.220
_exptl_crystal_size_mid          0.200
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_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
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'w=1/[\s^2^(Fo^2^)+(0.1672P)^2^+1.1209P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
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_reflns_Friedel_coverage         0.000
_reflns_number_gt                1106
_reflns_number_total             2074
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c8cp04242j2.cif
_cod_data_source_block           1_CCDC1
_cod_depositor_comments
'Adding full bibliography for 7231483--7231487.cif.'
_cod_original_cell_volume        2283.0(18)
_cod_database_code               7231487
_shelx_shelxl_version_number     2014/7
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_shelx_res_checksum              38312