Asymmetric induction in quadruple-stranded europium(III) helicates and circularly polarized luminescence.
Wang, Yunlu; Zhou, Yanyan; Yao, Zhiwei; Huang, Wenru; Gao, Ting; Yan, Pengfei; Li, Hongfeng; Dalton transactions (Cambridge, England : 2003) 51 (2022) 10973–10982; doi:10.1039/d2dt01379g

data_7710527
_publ_section_title
;
 Asymmetric induction in quadruple-stranded europium(III) helicates and
 circularly polarized luminescence.
;
_journal_issue                   29
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              10973
_journal_page_last               10982
_journal_paper_doi               10.1039/d2dt01379g
_journal_volume                  51
_journal_year                    2022
_chemical_formula_sum            'C146 H146 Eu2 F24 N6 O32 S4'
_chemical_formula_weight         3384.84
_space_group_crystal_system      monoclinic
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_space_group_name_Hall           '-I 2ya'
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_atom_sites_solution_hydrogens   mixed
_audit_creation_method           SHELXL-2018/3
_audit_update_record
;
2022-02-09 deposited with the CCDC.	2022-06-21 downloaded from the CCDC.
;
_cell_angle_alpha                90
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_cell_angle_gamma                90
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_cell_length_a                   26.7818(10)
_cell_length_b                   14.7271(5)
_cell_length_c                   39.6947(12)
_cell_measurement_temperature    150(2)
_cell_volume                     15178.8(9)
_computing_structure_refinement  'SHELXL-2018/3 (Sheldrick, 2018)'
_computing_structure_solution    'SHELXT 2018/2 (Sheldrick, 2018)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_radiation_type           MoK\a
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_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       30
_diffrn_reflns_limit_h_min       -33
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       49
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_diffrn_reflns_number            30117
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.998
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         26.373
_diffrn_reflns_theta_min         3.057
_exptl_absorpt_coefficient_mu    0.977
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_exptl_crystal_F_000             6904
_exptl_crystal_size_max          0.121
_exptl_crystal_size_mid          0.113
_exptl_crystal_size_min          0.102
_refine_diff_density_max         1.353
_refine_diff_density_min         -0.764
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_refine_ls_extinction_method     none
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_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
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_refine_ls_number_reflns         15491
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_refine_ls_restrained_S_all      0.994
_refine_ls_R_factor_all          0.1685
_refine_ls_R_factor_gt           0.0824
_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^)+(0.0697P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1652
_refine_ls_wR_factor_ref         0.2065
_reflns_Friedel_coverage         0.000
_reflns_number_gt                7748
_reflns_number_total             15491
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d2dt01379g2.cif
_cod_data_source_block           2022011303_auto
_cod_depositor_comments
'Adding full bibliography for 7710524--7710527.cif.'
_cod_original_sg_symbol_H-M      'I 2/a'
_cod_database_code               7710527
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_min   0.891
_shelx_estimated_absorpt_t_max   0.907
_shelx_res_checksum              25204
_shelx_hkl_checksum              53818