Advancing the understanding of M–O covalency in isostructural M–OSiMe3 (M = Ce, Th, U) complexes
Liu, Kang; Chi, Xiaowang; Guo, Yan; Hu, Kongqiu; Mei, Lei; Yu, Jipan; Shi, Weiqun; New Journal of Chemistry 48 (2024) 18241–18248; doi:10.1039/D4NJ03128H

data_7063469
_publ_section_title
;
 Advancing the understanding of M--O covalency in isostructural M--OSiMe3
 (M = Ce, Th, U) complexes
;
_journal_issue                   42
_journal_name_full               'New Journal of Chemistry'
_journal_page_first              18241
_journal_page_last               18248
_journal_paper_doi               10.1039/D4NJ03128H
_journal_volume                  48
_journal_year                    2024
_chemical_formula_moiety         'C30 H45 Ce Cl N4 Si3'
_chemical_formula_sum            'C30 H45 Ce Cl N4 Si3'
_chemical_formula_weight         721.54
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_date             2024-02-25
_audit_creation_method
;
Olex2 1.3
(compiled 2020.11.12 svn.r5f609507 for OlexSys, GUI svn.r6408)
;
_audit_update_record
;
2024-05-30 deposited with the CCDC.	2024-10-03 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 106.4920(10)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   11.3841(4)
_cell_length_b                   16.7664(7)
_cell_length_c                   19.1613(7)
_cell_measurement_reflns_used    9648
_cell_measurement_temperature    170.0
_cell_measurement_theta_max      27.49
_cell_measurement_theta_min      2.67
_cell_volume                     3506.9(2)
_computing_cell_refinement       'SAINT V8.40B (?, 2016)'
_computing_data_reduction        'SAINT V8.40B (?, 2016)'
_computing_molecular_graphics    'Olex2 1.3 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.3 (Dolomanov et al., 2009)'
_computing_structure_refinement  'SHELXL 2018/3 (Sheldrick, 2015)'
_computing_structure_solution    'SHELXT 2018/2 (Sheldrick, 2018)'
_diffrn_ambient_temperature      170.0
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0198
_diffrn_reflns_av_unetI/netI     0.0113
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            68583
_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         27.512
_diffrn_reflns_theta_min         2.671
_exptl_absorpt_coefficient_mu    1.501
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.6110
_exptl_absorpt_correction_type   none
_exptl_absorpt_process_details
;
SADABS-2016/2 (Bruker,2016/2) was used for absorption correction.
wR2(int) was 0.0896 before and 0.0412 after correction.
The Ratio of minimum to maximum transmission is 0.8195.
The \l/2 correction factor is Not present.
;
_exptl_crystal_colour            'metallic dark blue'
_exptl_crystal_colour_lustre     metallic
_exptl_crystal_colour_modifier   dark
_exptl_crystal_colour_primary    blue
_exptl_crystal_density_diffrn    1.367
_exptl_crystal_description       block
_exptl_crystal_F_000             1480
_exptl_crystal_size_max          0.18
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.437
_refine_diff_density_min         -0.289
_refine_diff_density_rms         0.052
_refine_ls_extinction_coef       0.00115(8)
_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   1.089
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     362
_refine_ls_number_reflns         8041
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.089
_refine_ls_R_factor_all          0.0164
_refine_ls_R_factor_gt           0.0155
_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^)+(0.0138P)^2^+1.8757P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0386
_refine_ls_wR_factor_ref         0.0393
_reflns_Friedel_coverage         0.000
_reflns_number_gt                7753
_reflns_number_total             8041
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d4nj03128h2.cif
_cod_data_source_block           mo_20211223_cetrapentms_proc1__a
_cod_depositor_comments
'Adding full bibliography for 7063465--7063469.cif.'
_cod_database_code               7063469
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_max   0.806
_shelx_estimated_absorpt_t_min   0.774
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Secondary CH2 refined with riding coordinates:
 C1(H1A,H1B), C11(H11A,H11B), C21(H21A,H21B)
2.b Aromatic/amide H refined with riding coordinates:
 C3(H3), C4(H4), C5(H5), C6(H6), C14(H14), C15(H15), C16(H16), C17(H17),
 C24(H24), C25(H25), C26(H26), C27(H27)
2.c Idealised Me refined as rotating group:
 C8(H8A,H8B,H8C), C9(H9A,H9B,H9C), C10(H10A,H10B,H10C), C18(H18A,H18B,H18C),
 C19(H19A,H19B,H19C), C20(H20A,H20B,H20C), C28(H28A,H28B,H28C), C29(H29A,H29B,
 H29C), C30(H30A,H30B,H30C)
;
_shelx_res_checksum              72271
_shelx_hkl_checksum              99006
_olex2_submission_special_instructions 'No special instructions were received'