Reactivity of a triamidoamine complex of trivalent uranium
Paul Roussel; Rita Boaretto; Andrew J. Kingsley; Nathaniel W. Alcock; Peter Scott; J. Chem. Soc., Dalton Trans.  (2002) 1423–1428; doi:10.1039/b108584k

data_7011175
_publ_section_title
;
 Reactivity of a triamidoamine complex of trivalent uranium
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_journal_issue                   7
_journal_name_full               'J. Chem. Soc., Dalton Trans.'
_journal_page_first              1423
_journal_page_last               1428
_journal_paper_doi               10.1039/b108584k
_journal_year                    2002
_chemical_formula_sum            'C30 H75 N7 O P Si3 U'
_chemical_formula_weight         903.24
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_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            4
_cell_length_a                   11.6213(3)
_cell_length_b                   19.6503(5)
_cell_length_c                   19.6564(5)
_cell_measurement_reflns_used    8192
_cell_measurement_temperature    180(2)
_cell_measurement_theta_max      20
_cell_measurement_theta_min      3
_cell_volume                     4488.8(2)
_computing_cell_refinement       'SAINT (Siemens, 1995)'
_computing_data_collection       'SMART (Siemens, 1994)'
_computing_data_reduction        'SAINT (Siemens, 1995)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 1997)'
_computing_publication_material  'SHELXTL (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      180(2)
_diffrn_detector_area_resol_mean 8.192
_diffrn_measured_fraction_theta_full 0.955
_diffrn_measured_fraction_theta_max 0.955
_diffrn_measurement_device_type  'Siemens SMART diffractometer'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'normal sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0495
_diffrn_reflns_av_sigmaI/netI    0.0744
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -25
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            27147
_diffrn_reflns_theta_full        28.47
_diffrn_reflns_theta_max         28.47
_diffrn_reflns_theta_min         2.04
_diffrn_standards_decay_%        nil
_exptl_absorpt_coefficient_mu    3.761
_exptl_absorpt_correction_T_max  0.89
_exptl_absorpt_correction_T_min  0.71
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 1996)'
_exptl_crystal_colour            'dark brown'
_exptl_crystal_density_diffrn    1.337
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       blocks
_exptl_crystal_F_000             1844
_exptl_crystal_size_max          0.4
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.2
_refine_diff_density_max         1.517
_refine_diff_density_min         -0.953
_refine_diff_density_rms         0.111
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.009(4)
_refine_ls_extinction_coef       0.00021(4)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.012
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     415
_refine_ls_number_reflns         10376
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.012
_refine_ls_R_factor_all          0.0664
_refine_ls_R_factor_gt           0.0405
_refine_ls_shift/su_max          0.038
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0206P)^2^+0.5214P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0580
_refine_ls_wR_factor_ref         0.0645
_reflns_number_gt                8129
_reflns_number_total             10376
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b108584k.txt
_cod_data_source_block           unn3op
_cod_depositor_comments
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The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Orthorhombic' changed to 'orthorhombic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 
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_cod_original_sg_symbol_H-M      P2(1)2(1)2(1)
_cod_database_code               7011175