Organouranium Complexes with Phosphinine-Based SPS Pincer Ligands. Variations with the Substituent at the Phosphorus Atom
Arliguie, Thérèse; Blug, Matthias; Le Floch, Pascal; Mézailles, Nicolas; Thuéry, Pierre; Ephritikhine, Michel; Organometallics 27 (2008) 4158–; doi:10.1021/om8003493

data_4071741
_publ_section_title
;
 Organouranium Complexes with Phosphinine-Based SPS Pincer Ligands.
 Variations with the Substituent at the Phosphorus Atom
;
_journal_issue                   16
_journal_name_full               Organometallics
_journal_page_first              4158
_journal_paper_doi               10.1021/om8003493
_journal_volume                  27
_journal_year                    2008
_chemical_formula_sum            'C56 H80 O6 S8 U6'
_chemical_formula_weight         2533.86
_space_group_IT_number           12
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2y'
_symmetry_space_group_name_H-M   'C 1 2/m 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                 95.326(6)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   15.0680(13)
_cell_length_b                   17.7057(18)
_cell_length_c                   13.0618(13)
_cell_measurement_reflns_used    13095
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      25.68
_cell_measurement_theta_min      3.26
_cell_volume                     3469.7(6)
_computing_cell_refinement       'HKL2000 (Otwinowski & Minor, 1997)'
_computing_data_collection       'COLLECT (Nonius, 1998)'
_computing_data_reduction        'HKL2000 (Otwinowski & Minor, 1997)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 1999)'
_computing_publication_material
'SHELXTL (Sheldrick, 1999); PLATON (Spek, 2003)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.988
_diffrn_measured_fraction_theta_max 0.988
_diffrn_measurement_device_type
'Nonius Kappa-CCD area-detector diffractometer'
_diffrn_measurement_method       '\f scan with 2\% steps'
_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  0.0865
_diffrn_reflns_av_sigmaI/netI    0.0736
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            13095
_diffrn_reflns_theta_full        25.68
_diffrn_reflns_theta_max         25.68
_diffrn_reflns_theta_min         3.26
_diffrn_standards_decay_%        0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    14.234
_exptl_absorpt_correction_T_max  0.491
_exptl_absorpt_correction_T_min  0.289
_exptl_absorpt_correction_type   refdelf
_exptl_absorpt_process_details   'DELABS in PLATON (Spek, 2000)'
_exptl_crystal_colour            'dark brown'
_exptl_crystal_density_diffrn    2.425
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       irregular
_exptl_crystal_F_000             2288
_exptl_crystal_size_max          0.15
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.05
_refine_diff_density_max         1.367
_refine_diff_density_min         -1.537
_refine_diff_density_rms         0.218
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.054
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     189
_refine_ls_number_reflns         3374
_refine_ls_number_restraints     42
_refine_ls_restrained_S_all      1.052
_refine_ls_R_factor_all          0.0833
_refine_ls_R_factor_gt           0.0536
_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^)+(0.0356P)^2^+76.4686P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1111
_refine_ls_wR_factor_ref         0.1226
_reflns_number_gt                2451
_reflns_number_total             3374
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om8003493-file001.cif
_cod_data_source_block           '[(U(COT))~4~(U(THF)~3~)~2~(S)~8~]'
_cod_original_sg_symbol_H-M      'C 2/m'
_cod_database_code               4071741