Th(VO3)2(SeO3) and Ln(VO3)2(IO3) (Ln = Ce, Pr, Nd, Sm, and Eu): unusual cases of aliovalent substitution
Teresa Eaton; Jian Lin; Justin N. Cross; Jared T. Stritzinger; Thomas E. Albrecht-Schmitt; Chem.Commun. 50 (2014) 3668–; doi:10.1039/c4cc00537f

data_7112155
_publ_section_title
;
 Th(VO3)2(SeO3) and Ln(VO3)2(IO3) (Ln = Ce, Pr, Nd, Sm, and Eu): unusual
 cases of aliovalent substitution
;
_journal_name_full               Chem.Commun.
_journal_page_first              3668
_journal_paper_doi               10.1039/c4cc00537f
_journal_volume                  50
_journal_year                    2014
_chemical_formula_moiety         Eu(VO3)2(IO3)
_chemical_formula_sum            'Eu I O9 V2'
_chemical_formula_weight         524.74
_chemical_melting_point          ?
_chemical_name_common            'Europium vanadate iodate'
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           57
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2c 2b'
_symmetry_space_group_name_H-M   'P b c m'
_atom_sites_solution_hydrogens   none
_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                   6.9278(4)
_cell_length_b                   14.2624(9)
_cell_length_c                   7.1720(5)
_cell_measurement_reflns_used    1522
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      27.56
_cell_measurement_theta_min      2.86
_cell_volume                     708.64(8)
_computing_cell_refinement       'smart saint'
_computing_data_collection       smart
_computing_data_reduction        saint
_computing_molecular_graphics    'SHELXS-97 (Sheldrick, 1997)'
_computing_publication_material  'SHELXCIF-97 (Sheldrick, 2000)'
_computing_structure_refinement  'SHELXS-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 0
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_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  0.0337
_diffrn_reflns_av_sigmaI/netI    0.0149
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            10426
_diffrn_reflns_theta_full        27.56
_diffrn_reflns_theta_max         27.56
_diffrn_reflns_theta_min         2.86
_exptl_absorpt_coefficient_mu    15.705
_exptl_absorpt_correction_T_max  0.882
_exptl_absorpt_correction_T_min  0.860
_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details   shelxprep
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    4.918
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Columnar
_exptl_crystal_F_000             936
_exptl_crystal_size_max          0.01
_exptl_crystal_size_mid          0.008
_exptl_crystal_size_min          0.008
_refine_diff_density_max         2.085
_refine_diff_density_min         -0.925
_refine_diff_density_rms         0.186
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.114
_refine_ls_hydrogen_treatment    none
_refine_ls_matrix_type           full
_refine_ls_number_parameters     71
_refine_ls_number_reflns         885
_refine_ls_number_restraints     6
_refine_ls_restrained_S_all      1.111
_refine_ls_R_factor_all          0.0183
_refine_ls_R_factor_gt           0.0155
_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^)+(0.0182P)^2^+1.2728P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0343
_refine_ls_wR_factor_ref         0.0350
_reflns_number_gt                832
_reflns_number_total             885
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4cc00537f2.cif
_cod_data_source_block           EuV2I2O9
_cod_depositor_comments
;
The following automatic conversions were performed:

'_chemical_melting_point' value 'N/A' was changed to '?' - the value
is undefined or not given.

Automatic conversion script
Id: cif_fix_values 2281 2013-09-26 08:29:07Z andrius 

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_sg_symbol_H-M      Pbcm
_cod_database_code               7112155