Synthesis and reactivity of the imido analogues of the uranyl ion.
Hayton, Trevor W; Boncella, James M; Scott, Brian L; Batista, Enrique R; Hay, P Jeffrey; Journal of the American Chemical Society 128 (2006) 10549–10559; doi:10.1021/ja0629155

data_4101343
_publ_section_title
;
 Synthesis and reactivity of the imido analogues of the uranyl ion.
;
_journal_issue                   32
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              10549
_journal_page_last               10559
_journal_paper_doi               10.1021/ja0629155
_journal_volume                  128
_journal_year                    2006
_chemical_formula_sum            'C18 H44 I2 N2 O P2 U'
_chemical_formula_weight         858.32
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           114
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_Hall  'P -4 2n'
_symmetry_space_group_name_H-M   'P -4 21 c'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   23.516(3)
_cell_length_b                   23.516
_cell_length_c                   10.6177(14)
_cell_measurement_temperature    203(2)
_cell_volume                     5871.7(11)
_computing_cell_refinement       'SAINT 6.45A (Bruker, 2003)'
_computing_data_collection       'SMART 5.054 (Bruker, 1998)'
_computing_data_reduction        'SAINT 6.45A (Bruker, 2003)'
_computing_molecular_graphics    'SHELXTL 6.10 (Bruker, 2000)'
_computing_publication_material  'SHELXTL 6.10 (Bruker, 2000)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      203(2)
_diffrn_measured_fraction_theta_full 0.984
_diffrn_measured_fraction_theta_max 0.944
_diffrn_measurement_device_type  'Bruker P4 with 1k CCD'
_diffrn_measurement_method       '\f 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  0.0382
_diffrn_reflns_av_sigmaI/netI    0.0273
_diffrn_reflns_limit_h_max       31
_diffrn_reflns_limit_h_min       -31
_diffrn_reflns_limit_k_max       30
_diffrn_reflns_limit_k_min       -29
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            52062
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         28.31
_diffrn_reflns_theta_min         1.22
_diffrn_standards_decay_%        '< 2'
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    7.751
_exptl_absorpt_correction_T_max  0.5112
_exptl_absorpt_correction_T_min  0.3063
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 1996)'
_exptl_crystal_colour            red-orange
_exptl_crystal_density_diffrn    1.942
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       irregular
_exptl_crystal_F_000             3216
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.10
_refine_diff_density_max         1.496
_refine_diff_density_min         -0.889
_refine_diff_density_rms         0.149
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.357(6)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.595
_refine_ls_hydrogen_treatment    noref
_refine_ls_matrix_type           full
_refine_ls_number_parameters     220
_refine_ls_number_reflns         6726
_refine_ls_number_restraints     12
_refine_ls_restrained_S_all      1.599
_refine_ls_R_factor_all          0.0449
_refine_ls_R_factor_gt           0.0344
_refine_ls_shift/su_max          0.008
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0285P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0753
_refine_ls_wR_factor_ref         0.0773
_reflns_number_gt                5888
_reflns_number_total             6726
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja0629155si20060426_075244.cif
_cod_data_source_block           th03
_cod_database_code               4101343