2,3-Diarylmaleate salts as a versatile class of diarylethenes with a full spectrum of photoactivity in water.
Bolotova, Iumzhana A.; Ustyuzhanin, Alexander O.; Sergeeva, Ekaterina S.; Faizdrakhmanova, Anna A.; Hai, Yu; Stepanov, Andrey V.; Ushakov, Igor A.; Lyssenko, Konstantin A.; You, Lei; Lvov, Andrey G.; Chemical science 14 (2023) 9553–9559; doi:10.1039/d3sc02165c

data_1569703
_publ_section_title
;
 2,3-Diarylmaleate salts as a versatile class of diarylethenes with a full
 spectrum of photoactivity in water.
;
_journal_issue                   35
_journal_name_full               'Chemical science'
_journal_page_first              9553
_journal_page_last               9559
_journal_paper_doi               10.1039/d3sc02165c
_journal_volume                  14
_journal_year                    2023
_chemical_formula_moiety         'C19 H18 O4'
_chemical_formula_sum            'C19 H18 O4'
_chemical_formula_weight         310.33
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2018/3
_audit_update_record
;
2023-04-11 deposited with the CCDC.	2023-08-18 downloaded from the CCDC.
;
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_cell_measurement_temperature    110(2)
_cell_measurement_theta_max      18.22
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_computing_structure_refinement  'SHELXL-2018/3 (Sheldrick, 2018)'
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_diffrn_measurement_device_type  'Bruker D8 Quest with Photon III detector'
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_diffrn_reflns_theta_min         2.005
_diffrn_source                   'micro-focus sealed X-ray tube'
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_exptl_absorpt_correction_T_max  0.8622
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_exptl_absorpt_process_details
;
 SADABS 2016/2: Krause, L., Herbst-Irmer, R., Sheldrick G.M. & Stalke D.,
 J. Appl. Cryst. 48 (2015) 3-10
;
_exptl_crystal_colour            colorless
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_exptl_crystal_description       block
_exptl_crystal_F_000             656
_exptl_crystal_size_max          0.210
_exptl_crystal_size_mid          0.190
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_refine_diff_density_max         0.362
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_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)'
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_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
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_refine_ls_number_reflns         3098
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.008
_refine_ls_R_factor_all          0.1618
_refine_ls_R_factor_gt           0.0893
_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^)+(0.0785P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2088
_refine_ls_wR_factor_ref         0.2582
_reflns_Friedel_coverage         0.000
_reflns_number_gt                1559
_reflns_number_total             3098
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d3sc02165c2.cif
_cod_data_source_block           a_a_CCDC1
_cod_depositor_comments
'Adding full bibliography for 1569699--1569704.cif.'
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               1569703
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_min   0.981
_shelx_estimated_absorpt_t_max   0.990
_shelx_res_checksum              99224