Ligand Metalation in the Reactivity of a Tetravalent Uranium Amides
Ilia Korobkov; Sandro Gambarotta; Inorganic Chemistry 49 (2010) 3409–3418; doi:10.1021/ic902567m

data_4315309
_publ_section_title
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 Ligand Metalation in the Reactivity of a Tetravalent Uranium Amides
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_journal_name_full               'Inorganic Chemistry'
_journal_page_first              3409
_journal_page_last               3418
_journal_paper_doi               10.1021/ic902567m
_journal_volume                  49
_journal_year                    2010
_chemical_formula_sum            'C36 H102 N6 Si12 U3'
_chemical_formula_weight         1670.41
_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   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                75.030(3)
_cell_angle_beta                 89.431(4)
_cell_angle_gamma                86.129(4)
_cell_formula_units_Z            2
_cell_length_a                   14.826(3)
_cell_length_b                   15.141(3)
_cell_length_c                   15.561(3)
_cell_measurement_reflns_used    'reflections from 60 data frames'
_cell_measurement_temperature    203(2)
_cell_measurement_theta_max      28.29
_cell_measurement_theta_min      1.47
_cell_volume                     3366.8(12)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      203(2)
_diffrn_measured_fraction_theta_full 0.823
_diffrn_measured_fraction_theta_max 0.823
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega 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  0.0218
_diffrn_reflns_av_sigmaI/netI    0.0345
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            23433
_diffrn_reflns_theta_full        28.50
_diffrn_reflns_theta_max         28.50
_diffrn_reflns_theta_min         1.35
_diffrn_standards_decay_%        <1
_diffrn_standards_number         '50 standard frames at start and end'
_exptl_absorpt_coefficient_mu    7.438
_exptl_absorpt_correction_T_max  1.000000
_exptl_absorpt_correction_T_min  0.725362
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Blessing,R., Acta Cryst. (1995) A51 33-38.'
_exptl_crystal_colour            black
_exptl_crystal_density_diffrn    1.648
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1608
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.15
_refine_diff_density_max         1.578
_refine_diff_density_min         -0.870
_refine_diff_density_rms         0.116
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.013
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     542
_refine_ls_number_reflns         14059
_refine_ls_number_restraints     15
_refine_ls_restrained_S_all      1.014
_refine_ls_R_factor_all          0.0399
_refine_ls_R_factor_gt           0.0285
_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^)+(0.0338P)^2^+4.8195P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0659
_refine_ls_wR_factor_ref         0.0706
_reflns_number_gt                11770
_reflns_number_total             14059
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic902567m_si_002_3.cif
_cod_data_source_block           sg2057
_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 
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_cod_database_code               4315309