Reaction Chemistry of the U3+ Metallocene Amidinate (C5Me5)2[iPrNC(Me)NiPr]U Including the Isolation of a Uranium Complex of a Monodentate Acetate
William J. Evans; Justin R. Walensky; Joseph W. Ziller; Inorganic Chemistry 49 (2010) 1743–1749; doi:10.1021/ic902141f

data_4314832
_publ_section_title
;
 Reaction Chemistry of the U3+ Metallocene Amidinate
 (C5Me5)2[iPrNC(Me)NiPr]U Including the Isolation of a Uranium Complex of
 a Monodentate Acetate
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              1743
_journal_page_last               1749
_journal_paper_doi               10.1021/ic902141f
_journal_volume                  49
_journal_year                    2010
_chemical_formula_sum            'C28 H42 N2 U'
_chemical_formula_weight         644.67
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   difmap
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXTL
_cell_angle_alpha                81.9930(5)
_cell_angle_beta                 76.1897(5)
_cell_angle_gamma                81.9746(6)
_cell_formula_units_Z            2
_cell_length_a                   8.2845(4)
_cell_length_b                   11.1001(6)
_cell_length_c                   14.2310(7)
_cell_measurement_reflns_used    9918
_cell_measurement_temperature    103(2)
_cell_measurement_theta_max      28.22
_cell_measurement_theta_min      2.25
_cell_volume                     1250.72(11)
_computing_cell_refinement       'Bruker SMART APEX2/SAINT'
_computing_data_collection       'Bruker SMART APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'Bruker SHELXTL'
_computing_structure_solution    'Bruker SHELXTL'
_diffrn_ambient_temperature      103(2)
_diffrn_measured_fraction_theta_full 0.950
_diffrn_measured_fraction_theta_max 0.950
_diffrn_measurement_device_type  'Bruker SMART APEX II CCD'
_diffrn_measurement_method       'phi and omega'
_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  0.0140
_diffrn_reflns_av_sigmaI/netI    0.0158
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            14751
_diffrn_reflns_theta_full        28.28
_diffrn_reflns_theta_max         28.28
_diffrn_reflns_theta_min         1.86
_exptl_absorpt_coefficient_mu    6.506
_exptl_absorpt_correction_T_max  0.4225
_exptl_absorpt_correction_T_min  0.2825
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Bruker SADABS'
_exptl_crystal_colour            purple
_exptl_crystal_density_diffrn    1.712
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             632
_exptl_crystal_size_max          0.26
_exptl_crystal_size_mid          0.24
_exptl_crystal_size_min          0.16
_refine_diff_density_max         1.794
_refine_diff_density_min         -0.673
_refine_diff_density_rms         0.099
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.065
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     448
_refine_ls_number_reflns         5883
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.065
_refine_ls_R_factor_all          0.0171
_refine_ls_R_factor_gt           0.0166
_refine_ls_shift/su_max          0.004
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0275P)^2^+1.0662P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0425
_refine_ls_wR_factor_ref         0.0427
_reflns_number_gt                5747
_reflns_number_total             5883
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic902141f_si_002_4.cif
_cod_data_source_block           jrw49
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to the built-in table from CIF Core dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1646 2011-03-28 12:23:43Z adriana 

The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'n/a' was changed to '?' - the
value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
;
_cod_database_code               4314832