Experimental and Theoretical Comparison of Actinide and Lanthanide Bonding in M[N(EPR2)2]3 Complexes (M = U, Pu, La, Ce; E = S, Se, Te; R = Ph,iPr, H)
Andrew J. Gaunt; Sean D. Reilly; Alejandro E. Enriquez; Brian L. Scott; James A. Ibers; Perumal Sekar; Kieran I. M. Ingram; Nikolas Kaltsoyannis; Mary P. Neu; Inorganic Chemistry 47 (2008) 29–41; doi:10.1021/ic701618a

data_4304146
_publ_contact_author_address
;
Los Alamos National Laboratory
MS F629
Los Alamos, NM  87544
;
_publ_contact_author_email       gaunt@lanl.gov
_publ_contact_author_name        'Andrew J. Gaunt'
_publ_section_title
;
Experimental and Theoretical Comparison of Actinide and Lanthanide Bonding
in M[N(EPR2)2]3 Complexes (M = U, Pu, La, Ce; E = S, Se, Te; R = Ph,iPr, H)
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              29
_journal_page_last               41
_journal_paper_doi               10.1021/ic701618a
_journal_volume                  47
_journal_year                    2008
_chemical_formula_sum            'C36 H84 N3 P6 Se6 U'
_chemical_formula_weight         1456.67
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 115.2850(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   23.649(2)
_cell_length_b                   13.1855(12)
_cell_length_c                   19.6924(18)
_cell_measurement_temperature    141(2)
_cell_volume                     5552.3(9)
_computing_cell_refinement       'SAINT+, v. 7.06 (Bruker AXS, 2001)'
_computing_data_collection       'APEX II, v. 1.08 (Bruker AXS, 2003)'
_computing_data_reduction        'SAINT+, v. 7.06 (Bruker AXS, 2001)'
_computing_molecular_graphics    'SHELXTL, v. 6.10, (Bruker AXS, 2000)'
_computing_publication_material  'SHELXTL, v. 6.10, (Bruker AXS, 2000)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      141(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.935
_diffrn_measurement_device_type  'Bruker D8 with APEXII CCD'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0827
_diffrn_reflns_av_sigmaI/netI    0.0717
_diffrn_reflns_limit_h_max       31
_diffrn_reflns_limit_h_min       -31
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            30505
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         28.94
_diffrn_reflns_theta_min         1.81
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    7.056
_exptl_absorpt_correction_T_max  0.5388
_exptl_absorpt_correction_T_min  0.4383
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS 2.03 (Sheldrick, 2001)'
_exptl_crystal_density_diffrn    1.743
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             2828
_exptl_crystal_size_max          0.14
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.746
_refine_diff_density_min         -0.562
_refine_diff_density_rms         0.125
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.737
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     298
_refine_ls_number_reflns         6874
_refine_ls_number_restraints     12
_refine_ls_restrained_S_all      0.747
_refine_ls_R_factor_all          0.0525
_refine_ls_R_factor_gt           0.0318
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0651P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0841
_refine_ls_wR_factor_ref         0.0891
_reflns_number_gt                4870
_reflns_number_total             6874
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic701618a_si_12.cif
_cod_data_source_block           apx082
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               4304146