Chiral Wheel Anions of Copper(II)-Early Lanthanides(III) with High Optical-Limiting Properties
Xu, Xiongli; He, Yuan; Meng, Wei; Yao, Lu; Liu, Liangliang; Xu, Feng; Zhao, Chujun; Dalton Transactions  (2022) –; doi:10.1039/D2DT00117A

data_7709834
_publ_section_title
;
 Chiral Wheel Anions of Copper(II)-Early Lanthanides(III) with High
 Optical-Limiting Properties
;
_journal_name_full               'Dalton Transactions'
_journal_paper_doi               10.1039/D2DT00117A
_journal_year                    2022
_chemical_absolute_configuration s
_chemical_formula_sum            'C20 H14 Cu5.5 K2.25 O33.38 Pr'
_chemical_formula_weight         1366.67
_space_group_crystal_system      cubic
_space_group_IT_number           211
_space_group_name_Hall           'I 4 2 3'
_space_group_name_H-M_alt        'I 4 3 2'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2018/3
_audit_update_record
;
2022-03-11 deposited with the CCDC.	2022-03-15 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            48
_cell_length_a                   39.5746(14)
_cell_length_b                   39.5746(14)
_cell_length_c                   39.5746(14)
_cell_measurement_reflns_used    5707
_cell_measurement_temperature    273(2)
_cell_measurement_theta_max      19.81
_cell_measurement_theta_min      2.30
_cell_volume                     61980(4)
_computing_structure_refinement  'SHELXL-2018/3 (Sheldrick, 2018)'
_diffrn_ambient_temperature      273(2)
_diffrn_measured_fraction_theta_full 0.983
_diffrn_measured_fraction_theta_max 0.983
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0479
_diffrn_reflns_av_unetI/netI     0.0237
_diffrn_reflns_Laue_measured_fraction_full 0.983
_diffrn_reflns_Laue_measured_fraction_max 0.983
_diffrn_reflns_limit_h_max       47
_diffrn_reflns_limit_h_min       -48
_diffrn_reflns_limit_k_max       48
_diffrn_reflns_limit_k_min       -48
_diffrn_reflns_limit_l_max       39
_diffrn_reflns_limit_l_min       -48
_diffrn_reflns_number            122531
_diffrn_reflns_point_group_measured_fraction_full 0.986
_diffrn_reflns_point_group_measured_fraction_max 0.986
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         25.993
_diffrn_reflns_theta_min         2.183
_exptl_absorpt_coefficient_mu    3.413
_exptl_absorpt_correction_T_max  0.495
_exptl_absorpt_correction_T_min  0.408
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            blue
_exptl_crystal_density_diffrn    1.758
_exptl_crystal_description       block
_exptl_crystal_F_000             31788
_exptl_crystal_size_max          0.320
_exptl_crystal_size_mid          0.300
_exptl_crystal_size_min          0.240
_refine_diff_density_max         1.292
_refine_diff_density_min         -1.230
_refine_diff_density_rms         0.259
_refine_ls_abs_structure_details
;
 Refined as an inversion twin.
;
_refine_ls_abs_structure_Flack   0.05(3)
_refine_ls_extinction_coef       0.00010(2)
_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   1.068
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     601
_refine_ls_number_reflns         10059
_refine_ls_number_restraints     852
_refine_ls_restrained_S_all      1.077
_refine_ls_R_factor_all          0.0627
_refine_ls_R_factor_gt           0.0600
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.1230P)^2^+473.0170P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1696
_refine_ls_wR_factor_ref         0.1735
_reflns_Friedel_coverage         0.806
_reflns_Friedel_fraction_full    0.990
_reflns_Friedel_fraction_max     0.990
_reflns_number_gt                9533
_reflns_number_total             10059
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d2dt00117a2.cif
_cod_data_source_block           1_a_sq
_cod_original_cell_volume        61980(7)
_cod_original_formula_sum        'C20 H14 Cu5.50 K2.25 O33.38 Pr'
_cod_database_code               7709834
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_min   0.408
_shelx_estimated_absorpt_t_max   0.495
_shelx_res_checksum              38149
_shelx_fab_checksum              42737