Rare earth benzene tetraanion-bridged amidinate complexes.
Jin, Peng-Bo; Luo, Qian-Cheng; Gransbury, Gemma K.; Winpenny, Richard E. P.; Mills, David P.; Zheng, Yan-Zhen; Chemical science 16 (2025) 1907–1924; doi:10.1039/d4sc05982d

data_1573558
_publ_section_title
;
 Rare earth benzene tetraanion-bridged amidinate complexes.
;
_journal_issue                   4
_journal_name_full               'Chemical science'
_journal_page_first              1907
_journal_page_last               1924
_journal_paper_doi               10.1039/d4sc05982d
_journal_volume                  16
_journal_year                    2025
_chemical_formula_sum            'C67 H99 N4 Y2'
_chemical_formula_weight         1138.32
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
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_atom_sites_solution_hydrogens   mixed
_audit_creation_method           SHELXL-2018/3
_audit_update_record
;
2024-11-13 deposited with the CCDC.	2024-12-24 downloaded from the CCDC.
;
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_cell_angle_beta                 105.0290(10)
_cell_angle_gamma                90
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_cell_length_a                   10.83980(10)
_cell_length_b                   38.9679(2)
_cell_length_c                   15.00510(10)
_cell_measurement_reflns_used    42400
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      79.7930
_cell_measurement_theta_min      2.2560
_cell_volume                     6121.42(8)
_computing_structure_refinement  'SHELXL-2018/3 (Sheldrick, 2018)'
_computing_structure_solution    'SHELXT 2014/5 (Sheldrick, 2014)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.978
_diffrn_measurement_device_type  'XtaLAB Synergy, Dualflex, HyPix'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0466
_diffrn_reflns_av_unetI/netI     0.0340
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.978
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       49
_diffrn_reflns_limit_k_min       -47
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            62803
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.978
_diffrn_reflns_theta_full        67.684
_diffrn_reflns_theta_max         80.135
_diffrn_reflns_theta_min         2.268
_exptl_absorpt_coefficient_mu    2.835
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.73750
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.41.122a (Rigaku Oxford Diffraction, 2021)
Empirical absorption correction using spherical harmonics,
implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            blue
_exptl_crystal_density_diffrn    1.235
_exptl_crystal_description       octahedral
_exptl_crystal_F_000             2428
_exptl_crystal_size_max          0.2
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.12
_refine_diff_density_max         2.439
_refine_diff_density_min         -0.844
_refine_diff_density_rms         0.092
_refine_ls_extinction_method     none
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_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     713
_refine_ls_number_reflns         13087
_refine_ls_number_restraints     8
_refine_ls_restrained_S_all      1.062
_refine_ls_R_factor_all          0.0417
_refine_ls_R_factor_gt           0.0392
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0542P)^2^+7.4059P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1019
_refine_ls_wR_factor_ref         0.1052
_reflns_Friedel_coverage         0.000
_reflns_number_gt                12156
_reflns_number_total             13087
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d4sc05982d2.cif
_cod_data_source_block           crepw17_auto
_cod_depositor_comments
'Adding full bibliography for 1573553--1573561.cif.'
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               1573558
_shelx_shelxl_version_number     2018/3
_shelx_res_checksum              58512