Photomodulation of dinuclear europium(iii) complex luminescence using thermally reversible photochromism of diarylethene
Fréroux, Yoann; Kiraev, Salauat; Galangau, Olivier; Phan, Tuan-Anh; Roisnel, Thierry; Maury, Olivier; Rigaut, Stéphane; Norel, Lucie; Chemical Communications 61 (2025) 8051–8054; doi:10.1039/D5CC01334H

data_7134459
_publ_section_title
;
 Photomodulation of dinuclear europium(iii) complex luminescence using
 thermally reversible photochromism of diarylethene
;
_journal_issue                   44
_journal_name_full               'Chemical Communications'
_journal_page_first              8051
_journal_page_last               8054
_journal_paper_doi               10.1039/D5CC01334H
_journal_volume                  61
_journal_year                    2025
_chemical_compound_source        'synthesis as described'
_chemical_formula_moiety         'C52 H22 Eu2 F36 N6 O12 S2'
_chemical_formula_sum            'C52 H22 Eu2 F36 N6 O12 S2'
_chemical_formula_weight         1974.79
_space_group_crystal_system      monoclinic
_space_group_IT_number           15
_space_group_name_Hall           '-C 2yc'
_space_group_name_H-M_alt        'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_update_record
;
2025-02-14 deposited with the CCDC.	2025-04-27 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 92.999(4)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   15.0598(15)
_cell_length_b                   22.670(2)
_cell_length_c                   19.377(2)
_cell_measurement_reflns_used    9681
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      27.5009
_cell_measurement_theta_min      2.6028
_cell_measurement_wavelength     0.710730
_cell_volume                     6606.4(11)
_computing_cell_refinement       'APEX3 (Bruker, 2015)'
_computing_data_collection       'Bruker APEX3 (Bruker, 2015)'
_computing_data_reduction        'SAINT (Bruker, 2014)'
_computing_molecular_graphics
;
   'SXGRAPH (L. Farrugia, 1999), Mercury (CSD, 2020)'
;
_computing_publication_material  'CRYSCALC (T. Roisnel, local program, 2023)'
_computing_structure_refinement  'SHELXL-2019_2 (Sheldrick, 2019)'
_computing_structure_solution    'SHELXT (Sheldrick, 2015)'
_diffrn_ambient_temperature      150(2)
_diffrn_detector                 CMOS-PHOTON70
_diffrn_detector_area_resol_mean 7.39
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'D8 VENTURE Bruker AXS'
_diffrn_measurement_method       'rotation images'
_diffrn_orient_matrix_UB_11      -0.0517927
_diffrn_orient_matrix_UB_12      -0.0210451
_diffrn_orient_matrix_UB_13      -0.0231104
_diffrn_orient_matrix_UB_21      -0.0350853
_diffrn_orient_matrix_UB_22      0.0065217
_diffrn_orient_matrix_UB_23      0.0417421
_diffrn_orient_matrix_UB_31      -0.0225354
_diffrn_orient_matrix_UB_32      0.0382140
_diffrn_orient_matrix_UB_33      -0.0198512
_diffrn_radiation_monochromator  'multilayer monochromator'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_source         'Incoatec microfocus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0188
_diffrn_reflns_av_unetI/netI     0.0105
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       29
_diffrn_reflns_limit_k_min       -29
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            62579
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.501
_diffrn_reflns_theta_min         1.897
_diffrn_source_current           1.00
_diffrn_source_power             50.0
_diffrn_source_voltage           50.00
_exptl_absorpt_coefficient_mu    2.109
_exptl_absorpt_correction_T_max  0.827
_exptl_absorpt_correction_T_min  0.746
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
  [Sheldrick, G.M. (2014). SADABS Bruker AXS Inc., Madison, Wisconsin, USA]
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.985
_exptl_crystal_description       block
_exptl_crystal_F_000             3816
_exptl_crystal_size_max          0.190
_exptl_crystal_size_mid          0.120
_exptl_crystal_size_min          0.090
_refine_diff_density_max         1.212
_refine_diff_density_min         -0.858
_refine_diff_density_rms         0.076
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.033
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     504
_refine_ls_number_reflns         7579
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.033
_refine_ls_R_factor_all          0.0230
_refine_ls_R_factor_gt           0.0221
_refine_ls_shift/su_max          0.007
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0432P)^2^+15.8688P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0667
_refine_ls_wR_factor_ref         0.0680
_reflns_number_gt                7315
_reflns_number_total             7579
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            d5cc01334h3.cif
_cod_data_source_block           IO010
_cod_depositor_comments
'Adding full bibliography for 7134459--7134460.cif.'
_cod_original_cell_volume        6606.5(12)
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               7134459
_shelx_res_checksum              83171
_shelx_hkl_checksum              5402