Synthesis, Structure, and Solid-State Transformation Studies of Phosphonoacetate Based Hybrid Compounds of Uranium and Thorium
Padmini Ramaswamy; Ramanath Prabhu; Srinivasan Natarajan; Inorganic Chemistry 49 (2010) 7927–7934; doi:10.1021/ic101043z

data_4316416
_publ_section_title
;
 Synthesis, Structure, and Solid-State Transformation Studies of
 Phosphonoacetate Based Hybrid Compounds of Uranium and Thorium
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              7927
_journal_page_last               7934
_journal_paper_doi               10.1021/ic101043z
_journal_volume                  49
_journal_year                    2010
_chemical_formula_sum            'C8 H18 N2 O15 P2 U2'
_chemical_formula_weight         920.24
_chemical_name_common            uranium(VI)phosphonoacetate
_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                82.893(6)
_cell_angle_beta                 87.135(4)
_cell_angle_gamma                85.813(4)
_cell_formula_units_Z            2
_cell_length_a                   7.0758(3)
_cell_length_b                   10.8016(8)
_cell_length_c                   14.8710(10)
_cell_measurement_reflns_used    4328
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      26.00
_cell_measurement_theta_min      2.48
_cell_volume                     1123.88(12)
_computing_cell_refinement       SMART
_computing_data_collection       'SMART (Bruker,2000)'
_computing_data_reduction        'SAINT (Bruker,2000)'
_computing_molecular_graphics
'Ortep3 for Windows (Farrugia, 1997) and CAMERON'
_computing_publication_material  'PLATON (Spek,1990)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR92 (Altomare et al., 1993)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.977
_diffrn_measured_fraction_theta_max 0.977
_diffrn_measurement_device_type  'Bruker SMARTCCD area detector'
_diffrn_measurement_method       '\f and \wscans'
_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  0.0992
_diffrn_reflns_av_sigmaI/netI    0.0795
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            21515
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         2.48
_exptl_absorpt_coefficient_mu    14.601
_exptl_absorpt_correction_T_max  0.3879
_exptl_absorpt_correction_T_min  0.2035
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   (SADABS;Sheldrick,1996)
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    2.719
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate-like
_exptl_crystal_F_000             828
_exptl_crystal_size_max          0.16
_exptl_crystal_size_mid          0.14
_exptl_crystal_size_min          0.08
_refine_diff_density_max         3.952
_refine_diff_density_min         -2.246
_refine_diff_density_rms         0.373
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.970
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     262
_refine_ls_number_reflns         4328
_refine_ls_number_restraints     37
_refine_ls_restrained_S_all      0.973
_refine_ls_R_factor_all          0.0871
_refine_ls_R_factor_gt           0.0558
_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^)+(0.0844P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1273
_refine_ls_wR_factor_ref         0.1367
_reflns_number_gt                3008
_reflns_number_total             4328
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic101043z_si_001_1.cif
_cod_data_source_block           compoundI
_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 
;
_cod_database_code               4316416