Morphotropy and Temperature-Driven Polymorphism in A2Th(AsO4)2 (A = Li, Na, K, Rb, Cs) Series.
Yu, Na; Klepov, Vladislav V.; Modolo, Giuseppe; Bosbach, Dirk; Suleimanov, Evgeny V.; Gesing, Thorsten M.; Robben, Lars; Alekseev, Evgeny V.; Inorganic chemistry 53 (2014) 11231–11241; doi:10.1021/ic5018246

data_4341195
_publ_section_title
;
 Morphotropy and Temperature-Driven Polymorphism in A2Th(AsO4)2 (A = Li,
 Na, K, Rb, Cs) Series.
;
_journal_issue                   20
_journal_name_full               'Inorganic chemistry'
_journal_page_first              11231
_journal_page_last               11241
_journal_paper_doi               10.1021/ic5018246
_journal_volume                  53
_journal_year                    2014
_chemical_formula_moiety         Na2Th(AsO4)2
_chemical_formula_sum            'As2 Na2 O8 Th'
_chemical_formula_weight         555.86
_chemical_melting_point          ?
_chemical_name_common            'Sodium Thorium Arsenate'
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           70
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-F 2uv 2vw'
_symmetry_space_group_name_H-M   'F d d d :2'
_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            8
_cell_length_a                   7.0425(3)
_cell_length_b                   12.3268(4)
_cell_length_c                   18.2185(5)
_cell_measurement_reflns_used    3089
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      37.3755
_cell_measurement_theta_min      3.2987
_cell_volume                     1581.58(10)
_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      293(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'SuperNova, Dual, Cu at zero, Eos'
_diffrn_measurement_method       '\w scans'
_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  0.0279
_diffrn_reflns_av_sigmaI/netI    0.0204
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       30
_diffrn_reflns_limit_l_min       -30
_diffrn_reflns_number            5092
_diffrn_reflns_theta_full        36.30
_diffrn_reflns_theta_max         36.30
_diffrn_reflns_theta_min         3.51
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    27.280
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.67498
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro, Agilent Technologies,
Version 1.171.36.20 (release 27-06-2012 CrysAlis171 .NET)
(compiled Jul 11 2012,15:38:31)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    4.669
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1936
_exptl_crystal_size_max          0.05
_exptl_crystal_size_mid          0.03
_exptl_crystal_size_min          0.03
_refine_diff_density_max         0.758
_refine_diff_density_min         -1.771
_refine_diff_density_rms         0.187
_refine_ls_extinction_coef       0.000191(11)
_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   1.071
_refine_ls_hydrogen_treatment    none
_refine_ls_matrix_type           full
_refine_ls_number_parameters     33
_refine_ls_number_reflns         967
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.071
_refine_ls_R_factor_all          0.0185
_refine_ls_R_factor_gt           0.0144
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0086P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0264
_refine_ls_wR_factor_ref         0.0273
_reflns_number_gt                863
_reflns_number_total             967
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic5018246_si_004.cif
_cod_data_source_block           shelxl
_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 

 Adding full bibliography for 4341195--4341199.cif.
;
_cod_original_sg_symbol_H-M      'F d d d'
_cod_database_code               4341195