Dithio- and Diselenophosphinate Thorium(IV) and Uranium(IV) Complexes: Molecular and Electronic Structures, Spectroscopy, and Transmetalation Reactivity.
Behrle, Andrew C.; Kerridge, Andrew; Walensky, Justin R.; Inorganic chemistry 54 (2015) 11625–11636; doi:10.1021/acs.inorgchem.5b01342

data_4346372
_publ_section_title
;
 Dithio- and Diselenophosphinate Thorium(IV) and Uranium(IV) Complexes:
 Molecular and Electronic Structures, Spectroscopy, and Transmetalation
 Reactivity.
;
_journal_issue                   24
_journal_name_full               'Inorganic chemistry'
_journal_page_first              11625
_journal_page_last               11636
_journal_paper_doi               10.1021/acs.inorgchem.5b01342
_journal_volume                  54
_journal_year                    2015
_chemical_formula_sum            'C24 H56 P4 Se8 U'
_chemical_formula_weight         1338.27
_space_group_crystal_system      monoclinic
_space_group_IT_number           9
_space_group_name_Hall           'C -2yc'
_space_group_name_H-M_alt        'C 1 c 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014/7
_cell_angle_alpha                90
_cell_angle_beta                 96.4050(10)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   16.7142(10)
_cell_length_b                   13.2787(8)
_cell_length_c                   18.4521(11)
_cell_measurement_reflns_used    9958
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      27.49
_cell_measurement_theta_min      2.19
_cell_volume                     4069.7(4)
_computing_cell_refinement       'APEX2 (Bruker AXS, 2008)'
_computing_data_collection       'APEX2 (Bruker AXS, 2008)'
_computing_data_reduction        'APEX2 (Bruker AXS, 2008)'
_computing_molecular_graphics    'X-SEED, Barbour, 2001'
_computing_publication_material  'CIFTAB (Sheldrick, 2013)'
_computing_structure_refinement  'SHELXL-2013 (Sheldrick, 2013)'
_computing_structure_solution    'SHELXS-2013 (Sheldrick, 2013)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Bruker APEXII CCD area detector'
_diffrn_measurement_method       'omega scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0204
_diffrn_reflns_av_unetI/netI     0.0263
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.995
_diffrn_reflns_limit_h_max       21
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            23319
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.995
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.512
_diffrn_reflns_theta_min         1.964
_diffrn_standards_decay_%        0.0
_exptl_absorpt_coefficient_mu    11.316
_exptl_absorpt_correction_T_max  0.21
_exptl_absorpt_correction_T_min  0.14
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
 Data were corrected for decay and absorption using the program SADABS 
 (Sheldrick, G. M. (2003). SADABS. Version 2.10. University of
 G\"ottingen, Germany).
;
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    2.184
_exptl_crystal_description       prism
_exptl_crystal_F_000             2496
_exptl_crystal_size_max          0.200
_exptl_crystal_size_mid          0.200
_exptl_crystal_size_min          0.200
_refine_diff_density_max         0.408
_refine_diff_density_min         -0.447
_refine_diff_density_rms         0.084
_refine_ls_abs_structure_details
;
 Refined as an inversion twin.
;
_refine_ls_abs_structure_Flack   0.569(3)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.034
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     351
_refine_ls_number_reflns         9165
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.033
_refine_ls_R_factor_all          0.0169
_refine_ls_R_factor_gt           0.0160
_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^)+(0.0146P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0340
_refine_ls_wR_factor_ref         0.0342
_reflns_Friedel_coverage         0.998
_reflns_Friedel_fraction_full    1.000
_reflns_Friedel_fraction_max     0.995
_reflns_number_gt                8926
_reflns_number_total             9165
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ic5b01342_si_003.cif
_cod_data_source_block           U[Se2PiPr2]4
_cod_original_sg_symbol_H-M      'C c'
_cod_database_code               4346372
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.211
_shelx_estimated_absorpt_t_max   0.211
_shelx_res_checksum              59473
_shelx_hkl_checksum              15582