Reversible, controllable white-light emission of dye systems by dynamic covalent furan moiety exchanges
Zhang, Yue; Lei, Bin; Zhang, Xin; Chemical Communications  (2022) –; doi:10.1039/D2CC01309F

data_7129904
_publ_section_title
;
 Reversible, controllable white-light emission of dye systems by dynamic
 covalent furan moiety exchanges
;
_journal_name_full               'Chemical Communications'
_journal_paper_doi               10.1039/D2CC01309F
_journal_year                    2022
_chemical_absolute_configuration unk
_chemical_formula_moiety         'C21 H15 N O2'
_chemical_formula_sum            'C21 H15 N O2'
_chemical_formula_weight         313.34
_space_group_crystal_system      orthorhombic
_space_group_IT_number           19
_space_group_name_Hall           'P 2ac 2ab'
_space_group_name_H-M_alt        'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_creation_date             2021-06-10
_audit_creation_method
;
Olex2 1.2
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506)
;
_audit_update_record
;
2022-01-20 deposited with the CCDC.	2022-03-28 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   4.6945(2)
_cell_length_b                   9.6477(3)
_cell_length_c                   33.0272(9)
_cell_measurement_reflns_used    10059
_cell_measurement_temperature    113.15
_cell_measurement_theta_max      32.2840
_cell_measurement_theta_min      2.1490
_cell_volume                     1495.84(9)
_computing_cell_refinement       'CrysAlisPro 1.171.39.46 (Rigaku OD, 2018)'
_computing_data_collection       'CrysAlisPro 1.171.39.46 (Rigaku OD, 2018)'
_computing_data_reduction        'CrysAlisPro 1.171.39.46 (Rigaku OD, 2018)'
_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      113.15
_diffrn_detector                 'CCD plate'
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.945
_diffrn_measurement_details
;
List of Runs (angles in degrees, time in seconds):

  # Type    Start    End  Width  t~exp~   \w     \q     \k     \f   Frames
  1  \w   -120.00  60.00   0.50    3.00    --  -30.00  45.00   0.00  360
  2  \w   -120.00  30.00   0.50    3.00    --  -30.00  45.00  90.00  300
  3  \w   -120.00  10.00   0.50    3.00    --  -30.00  45.00 180.00  260
;
_diffrn_measurement_device       'abstract diffractometer'
_diffrn_measurement_device_type  'Rigaku Saturn 70 CCD'
_diffrn_measurement_method       '\w scans'
_diffrn_orient_matrix_type
'CrysAlisPro convention (1999,Acta A55,543-557)'
_diffrn_orient_matrix_UB_11      -0.0033620000
_diffrn_orient_matrix_UB_12      0.0726435000
_diffrn_orient_matrix_UB_13      -0.0032821000
_diffrn_orient_matrix_UB_21      -0.0153505000
_diffrn_orient_matrix_UB_22      -0.0113283000
_diffrn_orient_matrix_UB_23      -0.0211070000
_diffrn_orient_matrix_UB_31      -0.1502628000
_diffrn_orient_matrix_UB_32      -0.0004507000
_diffrn_orient_matrix_UB_33      0.0022234000
_diffrn_radiation_monochromator  confocal
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0443
_diffrn_reflns_av_unetI/netI     0.0398
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.945
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       44
_diffrn_reflns_limit_l_min       -47
_diffrn_reflns_number            16364
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.927
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         32.298
_diffrn_reflns_theta_min         2.199
_diffrn_source                   'rotating anode'
_diffrn_source_type              'Enhance (Mo) X-ray Source'
_exptl_absorpt_coefficient_mu    0.090
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.71117
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'CrysAlisPro 1.171.39.46 (Rigaku Oxford Diffraction, 2018)'
_exptl_crystal_density_diffrn    1.391
_exptl_crystal_description       block
_exptl_crystal_F_000             656
_exptl_crystal_size_max          0.26
_exptl_crystal_size_mid          0.21
_exptl_crystal_size_min          0.17
_refine_diff_density_max         0.231
_refine_diff_density_min         -0.213
_refine_diff_density_rms         0.048
_refine_ls_abs_structure_details
;
 Flack x determined using 1462 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.0(9)
_refine_ls_extinction_coef       0.023(4)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2018/3 (Sheldrick 2018)'
_refine_ls_goodness_of_fit_ref   1.038
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     218
_refine_ls_number_reflns         4918
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.038
_refine_ls_R_factor_all          0.0584
_refine_ls_R_factor_gt           0.0489
_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^)+(0.0620P)^2^+0.2458P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1178
_refine_ls_wR_factor_ref         0.1269
_reflns_Friedel_coverage         0.681
_reflns_Friedel_fraction_full    1.000
_reflns_Friedel_fraction_max     0.902
_reflns_number_gt                4238
_reflns_number_total             4918
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d2cc01309f2.cif
_cod_data_source_block           r20210609c
_cod_database_code               7129904
_shelx_shelxl_version_number     2018/3
_chemical_oxdiff_formula         'C11 H10 N O'
_shelx_estimated_absorpt_t_max   0.985
_shelx_estimated_absorpt_t_min   0.977
_reflns_odcompleteness_completeness 99.78
_reflns_odcompleteness_iscentric 1
_reflns_odcompleteness_theta     26.32
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups
2.a Secondary CH2 refined with riding coordinates:
 C2(H2A,H2B), C3(H3A,H3B), C5(H5A,H5B)
2.b Aromatic/amide H refined with riding coordinates:
 C7(H7), C8(H8), C10(H10), C11(H11), C16(H16), C17(H17), C19(H19), C20(H20),
 C21(H21)
;
_shelx_res_checksum              72912
_olex2_submission_special_instructions 'No special instructions were received'
_oxdiff_exptl_absorpt_empirical_details
;
Empirical correction (ABSPACK) includes:
- Absorption correction using spherical harmonics
- Frame scaling
- Detector area scaling
;
_oxdiff_exptl_absorpt_empirical_full_max 1.899
_oxdiff_exptl_absorpt_empirical_full_min 0.751