Comparison of Ce(iv)/Th(iv)-alkynyl complexes and observation of a <i>trans</i>-influence ligand series for Ce(iv).
Yang, Qiaomu; Yu, Xiaojuan; Lapsheva, Ekaterina; Pandey, Pragati; Smith, Patrick W.; Gupta, Himanshu; Gau, Michael R.; Carroll, Patrick J.; Minasian, Stefan G.; Autschbach, Jochen; Schelter, Eric J.; Chemical science 16 (2025) 16597–16609; doi:10.1039/d5sc03222a

data_1575355
_publ_section_title
;
 Comparison of Ce(iv)/Th(iv)-alkynyl complexes and observation of a
 <i>trans</i>-influence ligand series for Ce(iv).
;
_journal_issue                   36
_journal_name_full               'Chemical science'
_journal_page_first              16597
_journal_page_last               16609
_journal_paper_doi               10.1039/d5sc03222a
_journal_volume                  16
_journal_year                    2025
_chemical_formula_moiety
'C38 H54 Ce N4 O3 Si, 0.25(C6 H6), 0.25(C5 H12)'
_chemical_formula_sum            'C40.75 H58.5 Ce N4 O3 Si'
_chemical_formula_weight         820.62
_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
_atom_sites_solution_primary     dual
_audit_creation_date             2022-03-08
_audit_creation_method
;
Olex2 1.5
(compiled 2021.08.20 svn.r13c46975 for OlexSys, GUI svn.r6396)
;
_audit_update_record
;
2025-04-30 deposited with the CCDC.	2025-08-05 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 103.631(2)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   9.6747(2)
_cell_length_b                   24.1665(5)
_cell_length_c                   18.4888(4)
_cell_measurement_reflns_used    48255
_cell_measurement_temperature    100
_cell_measurement_theta_max      28.3350
_cell_measurement_theta_min      2.7050
_cell_volume                     4200.99(16)
_computing_cell_refinement       'CrysAlisPro 1.171.41.122a (Rigaku OD, 2021)'
_computing_data_collection       'CrysAlisPro 1.171.41.122a (Rigaku OD, 2021)'
_computing_data_reduction        'CrysAlisPro 1.171.41.122a (Rigaku OD, 2021)'
_computing_molecular_graphics    'ORTEP-3 (Farrugia, 2012)'
_computing_publication_material  'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_structure_refinement  'SHELXL (Sheldrick, 2015)'
_computing_structure_solution    'SHELXT (Sheldrick, 2018)'
_diffrn_ambient_environment      N~2~
_diffrn_ambient_temperature      100
_diffrn_detector                 'HPC area detector'
_diffrn_detector_area_resol_mean 10.0
_diffrn_detector_type            'Dectris Pilatus3 R 200K'
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_details
;
List of Runs (angles in degrees, time in seconds):

  # Type    Start    End  Width  t~exp~   \w     \q     \k     \f   Frames
  1  \w    -59.00  23.00   0.50    7.00    --    6.66 -57.00-150.00  164
  2  \w    -17.00  25.00   0.50    7.00    --    6.66  77.00  60.00   84
  3  \w    -25.00  30.00   0.50    7.00    --    6.66 -77.00 -90.00  110
  4  \w    -25.00  30.00   0.50    7.00    --    6.66 -77.00 120.00  110
  5  \w    -25.00  30.00   0.50    7.00    --    6.66 -77.00 -30.00  110
  6  \w    -25.00  30.00   0.50    7.00    --    6.66 -77.00-180.00  110
  7  \w     -9.00  59.00   0.50    7.00    --    6.66  57.00 150.00  136
  8  \w     -9.00  59.00   0.50    7.00    --    6.66  57.00 -60.00  136
  9  \w     -9.00  59.00   0.50    7.00    --    6.66  57.00   0.00  136
 10  \w    -25.00  30.00   0.50    7.00    --    6.66 -77.00  60.00  110
 11  \w    -25.00  30.00   0.50    7.00    --    6.66 -77.00-150.00  110
 12  \w    -31.00  25.00   0.50    7.00    --   -6.97  77.00  90.00  112
 13  \w    -25.00  30.00   0.50    7.00    --    6.66 -77.00  30.00  110
 14  \w     -8.00  28.00   0.50    7.00    --    6.66  37.00  60.00   72
 15  \w     -8.00  86.00   0.50    7.00    --    6.66  19.00-120.00  188
;
_diffrn_measurement_device       '\k-geometry diffractometer'
_diffrn_measurement_device_type  'Rigaku XtaLAB Synergy-S'
_diffrn_measurement_method       '\w scans'
_diffrn_orient_matrix_type
'CrysAlisPro convention (1999,Acta A55,543-557)'
_diffrn_orient_matrix_UB_11      -0.0054826000
_diffrn_orient_matrix_UB_12      0.0245809000
_diffrn_orient_matrix_UB_13      -0.0214655000
_diffrn_orient_matrix_UB_21      -0.0490980000
_diffrn_orient_matrix_UB_22      -0.0132484000
_diffrn_orient_matrix_UB_23      -0.0294738000
_diffrn_orient_matrix_UB_31      -0.0569897000
_diffrn_orient_matrix_UB_32      0.0090567000
_diffrn_orient_matrix_UB_33      0.0151402000
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0556
_diffrn_reflns_av_unetI/netI     0.0264
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       32
_diffrn_reflns_limit_k_min       -32
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            126715
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.999
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         28.278
_diffrn_reflns_theta_min         2.324
_diffrn_source                   'micro-focus sealed X-ray tube'
_diffrn_source_type              'PhotonJet (Mo) X-ray Source'
_exptl_absorpt_coefficient_mu    1.151
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.80634
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SCALE3 ABSPACK'
_exptl_crystal_colour            'dark red'
_exptl_crystal_density_diffrn    1.297
_exptl_crystal_description       block
_exptl_crystal_F_000             1708
_exptl_crystal_size_max          0.2
_exptl_crystal_size_mid          0.13
_exptl_crystal_size_min          0.11
_refine_diff_density_max         1.995
_refine_diff_density_min         -2.197
_refine_diff_density_rms         0.113
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.225
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     824
_refine_ls_number_reflns         10412
_refine_ls_number_restraints     1311
_refine_ls_restrained_S_all      1.183
_refine_ls_R_factor_all          0.0639
_refine_ls_R_factor_gt           0.0555
_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^)+(0.0169P)^2^+19.8143P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1226
_refine_ls_wR_factor_ref         0.1254
_reflns_number_gt                9154
_reflns_number_total             10412
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d5sc03222a2.cif
_cod_data_source_block           40586_1-CeTMS
_cod_depositor_comments
'Adding full bibliography for 1575353--1575355.cif.'
_cod_original_formula_sum        'C40.75 H58.50 Ce N4 O3 Si'
_cod_database_code               1575355
_shelx_shelxl_version_number     2018/3
_shelx_res_checksum              72044
_olex2_submission_special_instructions 'No special instructions were received'
_oxdiff_exptl_absorpt_empirical_details
;
Empirical correction (ABSPACK) includes:
- Absorption correction using spherical harmonics
- Frame scaling
;
_oxdiff_exptl_absorpt_empirical_full_max 1.366
_oxdiff_exptl_absorpt_empirical_full_min 0.828