Syntheses, Structures, and Spectroscopic Properties of Plutonium and Americium Phosphites and the Redetermination of the Ionic Radii of Pu(III) and Am(III)
Justin N. Cross; Eric M. Villa; Shuao Wang; Juan Diwu; Matthew J. Polinski; Thomas E. Albrecht-Schmitt; Inorganic Chemistry 51 (2012) 8419–8424; doi:10.1021/ic300958z

data_4329908
_publ_section_title
;
 Syntheses, Structures, and Spectroscopic Properties of Plutonium and
 Americium Phosphites and the Redetermination of the Ionic Radii of
 Pu(III) and Am(III)
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              8419
_journal_page_last               8424
_journal_paper_doi               10.1021/ic300958z
_journal_volume                  51
_journal_year                    2012
_chemical_formula_moiety         Eu(H2PO3)(HPO3)(H2O)2
_chemical_formula_sum            'Eu H4 O8 P2'
_chemical_formula_weight         345.93
_chemical_name_common            'Europium phosphite'
_chemical_name_systematic
; 
 ? 
;
_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                   6.6138(2)
_cell_length_b                   6.9620(2)
_cell_length_c                   16.4075(4)
_cell_measurement_reflns_used    2419
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      30.51
_cell_measurement_theta_min      2.48
_cell_volume                     755.49(4)
_computing_cell_refinement       'smart saint'
_computing_data_collection       smart
_computing_data_reduction        SAINT
_computing_molecular_graphics    'SHELXP-97 (Sheldrick, 1997)'
_computing_publication_material  'SHELXCIF-97 (Sheldrick, 2000)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 0
_diffrn_measured_fraction_theta_full 0.979
_diffrn_measured_fraction_theta_max 0.979
_diffrn_measurement_device_type  'BRUKER apex II'
_diffrn_measurement_method       '0.5 wide w/ exposures'
_diffrn_radiation_monochromator  'Quazar optics'
_diffrn_radiation_source         'Imus microfocused'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1337
_diffrn_reflns_av_sigmaI/netI    0.0948
_diffrn_reflns_limit_h_max       24
_diffrn_reflns_limit_h_min       -24
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            8569
_diffrn_reflns_theta_full        30.51
_diffrn_reflns_theta_max         24.96
_diffrn_reflns_theta_min         2.02
_exptl_absorpt_coefficient_mu    8.727
_exptl_absorpt_correction_T_max  0.916
_exptl_absorpt_correction_T_min  0.901
_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details   SHELTXPREP
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    3.041
_exptl_crystal_density_meas      ?
_exptl_crystal_description       Column
_exptl_crystal_F_000             644
_exptl_crystal_size_max          0.08
_exptl_crystal_size_mid          0.01
_exptl_crystal_size_min          0.01
_refine_diff_density_max         0.955
_refine_diff_density_min         -1.072
_refine_diff_density_rms         0.244
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.57(2)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.052
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     119
_refine_ls_number_reflns         2269
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.052
_refine_ls_R_factor_all          0.0409
_refine_ls_R_factor_gt           0.0333
_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^)+(0.0241P)^2^+2.5194P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0640
_refine_ls_wR_factor_ref         0.0669
_reflns_number_gt                1127
_reflns_number_total             1614
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic300958z_si_002_5.cif
_cod_data_source_block           save
_cod_depositor_comments
;
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_original_formula_sum        'H4 Eu O8 P2'
_cod_database_code               4329908