Uncovering f-element bonding differences and electronic structure in a series of 1 : 3 and 1 : 4 complexes with a diselenophosphinate ligand
Jones, Matthew B.; Gaunt, Andrew J.; Gordon, John C.; Kaltsoyannis, Nikolas; Neu, Mary P.; Scott, Brian L.; Chemical Science 4 (2013) 1189–; doi:10.1039/c2sc21806b

data_1514577
_publ_section_title
;
 Uncovering f-element bonding differences and electronic structure in a
 series of 1&#x2009;:&#x2009;3 and 1&#x2009;:&#x2009;4 complexes with a
 diselenophosphinate ligand
;
_journal_issue                   3
_journal_name_full               'Chemical Science'
_journal_page_first              1189
_journal_paper_doi               10.1039/c2sc21806b
_journal_volume                  4
_journal_year                    2013
_chemical_formula_sum            'C48 H40 P4 Se8 U'
_chemical_formula_weight         1610.39
_chemical_name_systematic
;
?
;
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 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                 91.5970(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   13.8131(6)
_cell_length_b                   9.7933(5)
_cell_length_c                   18.8547(9)
_cell_measurement_temperature    120(1)
_cell_volume                     2549.6(2)
_computing_cell_refinement       'SAINT+, v. 7.66a (Bruker AXS, 2009)'
_computing_data_collection       'APEX II, v. 7.0 (Bruker AXS, 2009)'
_computing_data_reduction        'SAINT+, v. 7.66a (Bruker AXS, 2009)'
_computing_molecular_graphics    'SHELXTL, v. 6.14, (Bruker AXS, 2000)'
_computing_publication_material  'SHELXTL, v. 6.14, (Bruker AXS, 2000)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      120(1)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.934
_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  0.0318
_diffrn_reflns_av_sigmaI/netI    0.0656
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            28707
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         28.94
_diffrn_reflns_theta_min         1.80
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    9.052
_exptl_absorpt_correction_T_max  0.5312
_exptl_absorpt_correction_T_min  0.1488
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS v. 1 (Sheldrick, 2008)'
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    2.098
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1504
_exptl_crystal_size_max          0.34
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.942
_refine_diff_density_min         -0.647
_refine_diff_density_rms         0.102
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.004(3)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.659
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     550
_refine_ls_number_reflns         12148
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      0.659
_refine_ls_R_factor_all          0.0276
_refine_ls_R_factor_gt           0.0226
_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^)+(0.0240P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0463
_refine_ls_wR_factor_ref         0.0474
_reflns_number_gt                10725
_reflns_number_total             12148
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2sc21806b.txt
_cod_data_source_block           apx088
_cod_original_sg_symbol_H-M      'P 21'
_cod_database_code               1514577