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_4346371
_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_moiety         'C18 H43 Cl P3 Se6 U', 'C7 H8'
_chemical_formula_sum            'C25 H50 Cl P3 Se6 U'
_chemical_formula_weight         1190.80
_space_group_crystal_system      orthorhombic
_space_group_IT_number           19
_space_group_name_Hall           'P 2ac 2ab'
_space_group_name_H-M_alt        'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014/7
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   12.4588(12)
_cell_length_b                   14.4390(14)
_cell_length_c                   21.264(2)
_cell_measurement_reflns_used    9837
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      28.32
_cell_measurement_theta_min      2.36
_cell_volume                     3825.2(6)
_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      173(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.952
_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  0.0336
_diffrn_reflns_av_unetI/netI     0.0396
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.952
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            45242
_diffrn_reflns_point_group_measured_fraction_full 0.997
_diffrn_reflns_point_group_measured_fraction_max 0.926
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         28.716
_diffrn_reflns_theta_min         1.705
_diffrn_standards_decay_%        0.0
_exptl_absorpt_coefficient_mu    10.162
_exptl_absorpt_correction_T_max  0.82
_exptl_absorpt_correction_T_min  0.41
_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    2.068
_exptl_crystal_description       prism
_exptl_crystal_F_000             2232
_exptl_crystal_size_max          0.200
_exptl_crystal_size_mid          0.200
_exptl_crystal_size_min          0.020
_exptl_transmission_factor_max   0.7458
_exptl_transmission_factor_min   0.3737
_refine_diff_density_max         0.821
_refine_diff_density_min         -0.610
_refine_diff_density_rms         0.099
_refine_ls_abs_structure_details
;
 Flack x determined using 3513 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.003(2)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.943
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     338
_refine_ls_number_reflns         9164
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.943
_refine_ls_R_factor_all          0.0222
_refine_ls_R_factor_gt           0.0187
_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^)] 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         0.759
_reflns_Friedel_fraction_full    0.994
_reflns_Friedel_fraction_max     0.893
_reflns_number_gt                8565
_reflns_number_total             9164
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ic5b01342_si_003.cif
_cod_data_source_block           U[Se2PiPr2]3Cl
_cod_original_cell_volume        3825.3(6)
_cod_database_code               4346371
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.823
_shelx_estimated_absorpt_t_max   0.823
_shelx_res_checksum              97993
_shelx_hkl_checksum              12961