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_7231483
_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_moiety         '2(C17 H13)'
_chemical_formula_sum            'C34 H26'
_chemical_formula_weight         434.55
_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     dual
_audit_creation_date             2018-06-15
_audit_creation_method
;
Olex2 1.2
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506)
;
_audit_update_record
;
2018-06-15 deposited with the CCDC.
2018-09-03 downloaded from the CCDC.
;
_cell_angle_alpha                103.00(3)
_cell_angle_beta                 108.72(3)
_cell_angle_gamma                103.56(3)
_cell_formula_units_Z            2
_cell_length_a                   9.1613(18)
_cell_length_b                   11.267(2)
_cell_length_c                   13.686(3)
_cell_measurement_reflns_used    6301
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      32.6900
_cell_measurement_theta_min      2.0610
_cell_volume                     1229.6(6)
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2015)'
_computing_structure_solution    'ShelXT (Sheldrick, 2015)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.988
_diffrn_measurement_device_type  'Bruker P4'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0314
_diffrn_reflns_av_unetI/netI     0.0436
_diffrn_reflns_Laue_measured_fraction_full 0.995
_diffrn_reflns_Laue_measured_fraction_max 0.988
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            12113
_diffrn_reflns_point_group_measured_fraction_full 0.995
_diffrn_reflns_point_group_measured_fraction_max 0.988
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.485
_diffrn_reflns_theta_min         3.265
_exptl_absorpt_coefficient_mu    0.066
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
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_exptl_crystal_description       block
_exptl_crystal_F_000             460
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_exptl_crystal_size_mid          0.05
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_refine_ls_extinction_method     none
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_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^)+(0.0827P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1240
_refine_ls_wR_factor_ref         0.1399
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3382
_reflns_number_total             5569
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c8cp04242j2.cif
_cod_data_source_block           ybh-1shelxl
_cod_depositor_comments
'Adding full bibliography for 7231483--7231487.cif.'
_cod_original_cell_volume        1229.6(5)
_cod_database_code               7231483
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_max   0.997
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_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
2.a Aromatic/amide H refined with riding coordinates:
 C1(H1), C2(H2), C4(H4), C7(H7), C8(H8), C9(H9), C10(H10), C11(H11), C13(H13),
 C14(H14), C15(H15), C16(H16), C17(H17), C18(H18), C19(H19), C21(H21), C24(H24),
  C25(H25), C26(H26), C27(H27), C28(H28), C30(H30), C31(H31), C32(H32),
 C33(H33), C34(H34)
;
_shelx_res_checksum              30791
_olex2_submission_special_instructions 'No special instructions were received'