Mixed-Metal Uranium(VI) Iodates: Hydrothermal Syntheses, Structures, and Reactivity of Rb[UO2(CrO4)(IO3)(H2O)], A2[UO2(CrO4)(IO3)2] (A = K, Rb, Cs), and K2[UO2(MoO4)(IO3)2]
Richard E. Sykora; Steven M. McDaniel; Daniel M. Wells; Thomas E. Albrecht-Schmitt; Inorganic Chemistry 41 (2002) 5126–5132; doi:10.1021/ic025773y

data_4318638
_publ_contact_author
;
Prof. Thomas E. Albrecht-Schmitt 
179 Chemistry Building
Department of Chemistry
Auburn University, AL
36849
;
_publ_contact_author_email       ' albreth@auburn.edu '
_publ_contact_author_fax         ' 334 844 6959 '
_publ_contact_author_phone       ' 334 844 6948 '
_publ_section_title
;
 Mixed-Metal Uranium(VI) Iodates: Hydrothermal Syntheses, Structures, and
 Reactivity of Rb[UO2(CrO4)(IO3)(H2O)], A2[UO2(CrO4)(IO3)2] (A = K, Rb,
 Cs), and K2[UO2(MoO4)(IO3)2]
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              5126
_journal_page_last               5132
_journal_paper_doi               10.1021/ic025773y
_journal_volume                  41
_journal_year                    2002
_chemical_formula_sum            'Cr H2 I O10 Rb U'
_chemical_formula_weight         664.42
_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   'not located'
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                88.7400(10)
_cell_angle_beta                 87.0750(10)
_cell_angle_gamma                71.6720(10)
_cell_formula_units_Z            2
_cell_length_a                   7.3133(5)
_cell_length_b                   8.0561(6)
_cell_length_c                   8.4870(6)
_cell_measurement_reflns_used    all
_cell_measurement_temperature    193(2)
_cell_measurement_theta_max      28.29
_cell_measurement_theta_min      2.40
_cell_volume                     474.03(6)
_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, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      193(2)
_diffrn_measured_fraction_theta_full 0.962
_diffrn_measured_fraction_theta_max 0.962
_diffrn_measurement_device_type  'Bruker APEX'
_diffrn_measurement_method       '0.3 wide w/ exposures'
_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  0.0343
_diffrn_reflns_av_sigmaI/netI    0.0523
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            4646
_diffrn_reflns_theta_full        28.29
_diffrn_reflns_theta_max         28.29
_diffrn_reflns_theta_min         2.40
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count na
_diffrn_standards_interval_time  na
_diffrn_standards_number         na
_exptl_absorpt_coefficient_mu    26.596
_exptl_absorpt_correction_T_max  '0.702257 ratio of min/max'
_exptl_absorpt_correction_T_min  '0.702257 ratio of min/max'
_exptl_absorpt_correction_type   'analytical, multiscan (SADABS)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    4.655
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             576
_exptl_crystal_size_max          0.250
_exptl_crystal_size_mid          0.030
_exptl_crystal_size_min          0.024
_refine_diff_density_max         2.258
_refine_diff_density_min         -2.875
_refine_diff_density_rms         0.456
_refine_ls_extinction_coef       0.0000(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   1.116
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     128
_refine_ls_number_reflns         2269
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.116
_refine_ls_R_factor_all          0.0385
_refine_ls_R_factor_gt           0.0319
_refine_ls_shift/su_max          3.262
_refine_ls_shift/su_mean         0.026
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0545P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0906
_refine_ls_wR_factor_ref         0.1023
_reflns_number_gt                1974
_reflns_number_total             2269
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic025773y_s1_1.cif
_cod_data_source_block           1
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'not measured' 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        'H2 Cr I O10 Rb U'
_cod_database_code               4318638