Electrochemical Studies of Tris(cyclopentadienyl) Thorium and Uranium Complexes in the +2, +3, and +4 Oxidation States
Wedal, Justin C.; Barlow, Jeffrey M.; Ziller, Joseph W.; Yang, Jenny Y.; Evans, William J.; Chemical Science  (2021) –; doi:10.1039/D1SC01906F

data_1562426
_publ_section_title
;
 Electrochemical Studies of Tris(cyclopentadienyl) Thorium and Uranium
 Complexes in the +2, +3, and +4 Oxidation States
;
_journal_name_full               'Chemical Science'
_journal_paper_doi               10.1039/D1SC01906F
_journal_year                    2021
_chemical_formula_sum            'C23 H45 K O6 Si2'
_chemical_formula_weight         512.87
_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     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2014/7
_audit_update_record
;
2021-03-07 deposited with the CCDC.	2021-05-07 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90.149(3)
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   18.737(4)
_cell_length_b                   18.571(4)
_cell_length_c                   16.803(3)
_cell_measurement_reflns_used    9980
_cell_measurement_temperature    88(2)
_cell_measurement_theta_max      27.44
_cell_measurement_theta_min      2.42
_cell_volume                     5847(2)
_computing_cell_refinement       'Bruker SAINT 8.34a, 2013'
_computing_data_collection       'Bruker APEX2 2014.11-0, 2014'
_computing_data_reduction        'Bruker SAINT 8.34a, 2013'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'Bruker SHELXTL 2014/4'
_diffrn_ambient_temperature      88(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.950
_diffrn_measurement_device_type  'Bruker SMART 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  0.0719
_diffrn_reflns_av_unetI/netI     0.0863
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.950
_diffrn_reflns_limit_h_max       25
_diffrn_reflns_limit_h_min       -25
_diffrn_reflns_limit_k_max       25
_diffrn_reflns_limit_k_min       -24
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            51430
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.950
_diffrn_reflns_theta_full        25.500
_diffrn_reflns_theta_max         29.206
_diffrn_reflns_theta_min         1.212
_diffrn_source                   'fine-focus sealed tube'
_exptl_absorpt_coefficient_mu    0.295
_exptl_absorpt_correction_T_max  0.8016
_exptl_absorpt_correction_T_min  0.7190
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Bruker SADABS 2014/5'
_exptl_crystal_colour            blue
_exptl_crystal_density_diffrn    1.165
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    not_measured
_exptl_crystal_description       irregular
_exptl_crystal_F_000             2224
_exptl_crystal_size_max          0.191
_exptl_crystal_size_mid          0.144
_exptl_crystal_size_min          0.129
_refine_diff_density_max         0.442
_refine_diff_density_min         -0.493
_refine_diff_density_rms         0.074
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.010
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     608
_refine_ls_number_reflns         14783
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.010
_refine_ls_R_factor_all          0.0964
_refine_ls_R_factor_gt           0.0500
_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^)+(0.0367P)^2^+1.4417P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0872
_refine_ls_wR_factor_ref         0.0996
_reflns_Friedel_coverage         0.000
_reflns_number_gt                10223
_reflns_number_total             14783
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d1sc01906f2.cif
_cod_data_source_block           rrl39
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_exptl_crystal_density_meas' value 'not_measured' was
changed to '?' -- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 7556 2019-12-06 15:28:31Z antanas 
;
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               1562426
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.946
_shelx_estimated_absorpt_t_max   0.963
_exptl_absorpt_special_details
; 
Reflections not merged 
51435 Corrected reflections written to file rrl39s.hkl 
Estimated minimum and maximum transmission:  0.7190  0.8016 
The ratio (0.8970) of these values is more reliable than their absolute values 
Additional spherical absorption correction applied with mu*r =  0.1500 
Lambda/2 correction factor = 0.00150 
;
_shelx_res_checksum              28755
_shelx_hkl_checksum              20552