Complex of copper(II) hexafluoroacetylacetonate with photochromic spiropyran in the merocyanine form: field-induced slow magnetic relaxation and quantum coherence for Cu<sup>II</sup> (<i>S</i> = 1/2) and photoswitching of spiropyran ligand.
Osipov, Nikita G.; Faraonov, Maxim A.; Yakushev, Ilya A.; Veber, Sergey L.; Fedin, Matvey V.; Denisov, Nikolay N.; Shestakov, Alexander F.; Otsuka, Akihiro; Kitagawa, Hiroshi; Konarev, Dmitri V.; Dalton transactions (Cambridge, England : 2003) 54 (2025) 12180–12188; doi:10.1039/d5dt01129a

data_7719133
_publ_section_title
;
 Complex of copper(II) hexafluoroacetylacetonate with photochromic
 spiropyran in the merocyanine form: field-induced slow magnetic
 relaxation and quantum coherence for Cu<sup>II</sup> (<i>S</i> = 1/2) and
 photoswitching of spiropyran ligand.
;
_journal_issue                   32
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              12180
_journal_page_last               12188
_journal_paper_doi               10.1039/d5dt01129a
_journal_volume                  54
_journal_year                    2025
_chemical_formula_moiety         'C30 H22 Cu F12 N2 O8'
_chemical_formula_sum            'C30 H22 Cu F12 N2 O8'
_chemical_formula_weight         830.03
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2019/3
_audit_update_record
;
2025-03-04 deposited with the CCDC.	2025-07-21 downloaded from the CCDC.
;
_cell_angle_alpha                76.051(2)
_cell_angle_beta                 74.240(2)
_cell_angle_gamma                85.016(2)
_cell_formula_units_Z            2
_cell_length_a                   10.9205(5)
_cell_length_b                   12.8915(6)
_cell_length_c                   12.9133(6)
_cell_measurement_reflns_used    9975
_cell_measurement_temperature    250(2)
_cell_measurement_theta_max      28.01
_cell_measurement_theta_min      2.50
_cell_volume                     1697.57(14)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX3'
_computing_data_reduction        'Bruker SAINT'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-2019/2 (Sheldrick, 2019)'
_computing_structure_solution    'SHELXT-2014/5 (Sheldrick, 2014)'
_diffrn_ambient_temperature      250(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Bruker D8 Venture'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0460
_diffrn_reflns_av_unetI/netI     0.0296
_diffrn_reflns_Laue_measured_fraction_full 0.997
_diffrn_reflns_Laue_measured_fraction_max 0.997
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            80762
_diffrn_reflns_point_group_measured_fraction_full 0.997
_diffrn_reflns_point_group_measured_fraction_max 0.997
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         32.612
_diffrn_reflns_theta_min         1.938
_diffrn_source                   'microfocus sealed X-ray tube'
_exptl_absorpt_coefficient_mu    0.761
_exptl_absorpt_correction_T_max  0.7464
_exptl_absorpt_correction_T_min  0.6212
_exptl_absorpt_correction_type   multi-scan
_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            red
_exptl_crystal_density_diffrn    1.624
_exptl_crystal_density_meas      ?
_exptl_crystal_description       prism
_exptl_crystal_F_000             834
_exptl_crystal_size_max          0.310
_exptl_crystal_size_mid          0.170
_exptl_crystal_size_min          0.080
_refine_diff_density_max         0.685
_refine_diff_density_min         -0.464
_refine_diff_density_rms         0.053
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.021
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     552
_refine_ls_number_reflns         12365
_refine_ls_number_restraints     346
_refine_ls_restrained_S_all      1.035
_refine_ls_R_factor_all          0.0712
_refine_ls_R_factor_gt           0.0474
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0596P)^2^+0.7322P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1222
_refine_ls_wR_factor_ref         0.1356
_reflns_Friedel_coverage         0.000
_reflns_number_gt                8977
_reflns_number_total             12365
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d5dt01129a2.cif
_cod_data_source_block           23ma160_250
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_exptl_crystal_density_meas' value 'not measured' was
changed to '?' -- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 8170 2020-07-09 18:12:32Z antanas 

 Adding full bibliography for 7719132--7719133.cif.
;
_cod_database_code               7719133
_shelx_shelxl_version_number     2019/3
_shelx_estimated_absorpt_t_min   0.798
_shelx_estimated_absorpt_t_max   0.942
_shelx_res_checksum              25428
_shelx_hkl_checksum              78929