Crystal chemistry of thorium nitrates and chromates
Sigmon, Ginger E.; Burns, Peter C.; Journal of Solid State Chemistry 183 (2010) 1604–1608; doi:10.1016/j.jssc.2010.04.042

data_1563551
_publ_section_title
;
 Crystal chemistry of thorium nitrates and chromates
;
_journal_issue                   7
_journal_name_full               'Journal of Solid State Chemistry'
_journal_page_first              1604
_journal_page_last               1608
_journal_paper_doi               10.1016/j.jssc.2010.04.042
_journal_volume                  183
_journal_year                    2010
_chemical_formula_moiety         'Th4+, (CrO4)2-, (H2O)'
_chemical_formula_sum            'Cr2 O10 Th'
_chemical_formula_weight         496.04
_chemical_name_systematic
; 
 'Thorium chromate hydrate'
;
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_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                 91.793(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   12.7305(10)
_cell_length_b                   9.4689(8)
_cell_length_c                   12.9721(11)
_cell_measurement_temperature    110(2)
_cell_volume                     1562.9(2)
_computing_cell_refinement       'SMART-NT v5.0'
_computing_data_collection       'SMART-NT v5.0'
_computing_data_reduction        'SMART-NT v5.0'
_computing_molecular_graphics    'CrystalMaker v2.1'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      110(2)
_diffrn_measured_fraction_theta_full 0.979
_diffrn_measured_fraction_theta_max 0.979
_diffrn_measurement_device_type  'Bruker PLATFORM with a SMART CCD detector'
_diffrn_measurement_method       \w
_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  0.0810
_diffrn_reflns_av_sigmaI/netI    0.0631
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -20
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            31553
_diffrn_reflns_theta_full        34.52
_diffrn_reflns_theta_max         34.52
_diffrn_reflns_theta_min         1.57
_exptl_absorpt_coefficient_mu    21.746
_exptl_absorpt_correction_T_max  0.410
_exptl_absorpt_correction_T_min  0.160
_exptl_absorpt_correction_type   psi-scan
_exptl_absorpt_process_details   XPREP
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    4.216
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       blocky
_exptl_crystal_F_000             1744
_exptl_crystal_size_max          0.150
_exptl_crystal_size_mid          0.100
_exptl_crystal_size_min          0.050
_refine_diff_density_max         17.782
_refine_diff_density_min         -4.859
_refine_diff_density_rms         0.753
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.079
_refine_ls_hydrogen_treatment    none
_refine_ls_matrix_type           full
_refine_ls_number_parameters     236
_refine_ls_number_reflns         6494
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.079
_refine_ls_R_factor_all          0.0705
_refine_ls_R_factor_gt           0.0630
_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^)+(0.0922P)^2^+70.2076P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1725
_refine_ls_wR_factor_ref         0.1771
_reflns_number_gt                5550
_reflns_number_total             6494
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            JSSC-2010-183-1604.CIF
_cod_data_source_block           5
_cod_original_sg_symbol_H-M      P21/n
_cod_database_code               1563551