Two dysprosium-incorporated tungstoarsenates: synthesis, structures and magnetic properties.
Li, Fengyan; Guo, Weihua; Xu, Lin; Ma, Lifang; Wang, Yuchao; Dalton transactions (Cambridge, England : 2003) 41 (2012) 9220–9226; doi:10.1039/c2dt12277d

data_7019659
_publ_section_title
;
 Two dysprosium-incorporated tungstoarsenates: synthesis, structures and
 magnetic properties.
;
_journal_issue                   30
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              9220
_journal_page_last               9226
_journal_paper_doi               10.1039/c2dt12277d
_journal_volume                  41
_journal_year                    2012
_chemical_formula_sum            'C23 H94 As Dy2 N33 O61 W10'
_chemical_formula_weight         4047.73
_chemical_name_systematic
;
?
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_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                 98.6910(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.4422(8)
_cell_length_b                   25.8315(17)
_cell_length_c                   28.6553(19)
_cell_measurement_reflns_used    7688
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      25.00
_cell_measurement_theta_min      1.54
_cell_volume                     9104.1(10)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'SMART CCD'
_diffrn_measurement_method       'phi and omega 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  0.0670
_diffrn_reflns_av_sigmaI/netI    0.0768
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       30
_diffrn_reflns_limit_k_min       -24
_diffrn_reflns_limit_l_max       33
_diffrn_reflns_limit_l_min       -34
_diffrn_reflns_number            51179
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         2.35
_exptl_absorpt_coefficient_mu    14.674
_exptl_absorpt_correction_T_max  0.111
_exptl_absorpt_correction_T_min  0.066
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   '(ABSCOR; Higashi, 1995)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    2.953
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             7424
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.15
_platon_squeeze_details
;
SQUEEZE found two large void containing 2 disordered water molecules each.
Their formula was added to the formula for the unit-cell and the electron
density was removed.
;
_refine_diff_density_max         2.507
_refine_diff_density_min         -1.427
_refine_diff_density_rms         0.267
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.961
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1153
_refine_ls_number_reflns         15963
_refine_ls_number_restraints     266
_refine_ls_restrained_S_all      0.968
_refine_ls_R_factor_all          0.0856
_refine_ls_R_factor_gt           0.0491
_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^)+(0.0614P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1088
_refine_ls_wR_factor_ref         0.1206
_reflns_number_gt                10441
_reflns_number_total             15963
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2dt12277d.txt
_cod_data_source_block           dy2
_cod_original_sg_symbol_H-M      P21/c
_cod_database_code               7019659