Two types of oxalate-bridging rare-earth-substituted Keggin-type phosphotungstates {[(α-PW(11)O(39))RE(H(2)O)](2)(C(2)O(4))}(10-) and {(α-x-PW(10)O(38))RE(2)(C(2)O(4))(H(2)O)(2)}(3-).
Zhang, Shaowei; Wang, Yuan; Zhao, Junwei; Ma, Pengtao; Wang, Jingping; Niu, Jingyang; Dalton transactions (Cambridge, England : 2003) 41 (2012) 3764–3772; doi:10.1039/c2dt12202b

data_7018602
_publ_section_title
;
 Two types of oxalate-bridging rare-earth-substituted Keggin-type
 phosphotungstates {[(\a-PW(11)O(39))RE(H(2)O)](2)(C(2)O(4))}(10-) and
 {(\a-x-PW(10)O(38))RE(2)(C(2)O(4))(H(2)O)(2)}(3-).
;
_journal_issue                   13
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              3764
_journal_page_last               3772
_journal_paper_doi               10.1039/c2dt12202b
_journal_volume                  41
_journal_year                    2012
_chemical_formula_sum            'C42 H144 Ho2 N10 O94 P2 W22'
_chemical_formula_weight         6729.89
_chemical_name_systematic
;

?

;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 102.789(18)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   18.606(16)
_cell_length_b                   18.184(16)
_cell_length_c                   20.56(2)
_cell_measurement_reflns_used    774
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      17.93
_cell_measurement_theta_min      3.17
_cell_volume                     6784(11)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'CCD area detector'
_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  0.0889
_diffrn_reflns_av_sigmaI/netI    0.1229
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -22
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            34136
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.34
_exptl_absorpt_coefficient_mu    19.833
_exptl_absorpt_correction_T_max  0.0830
_exptl_absorpt_correction_T_min  0.0377
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            'light pink'
_exptl_crystal_density_diffrn    3.293
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             6016
_exptl_crystal_size_max          0.48
_exptl_crystal_size_mid          0.28
_exptl_crystal_size_min          0.25
_refine_diff_density_max         2.073
_refine_diff_density_min         -2.866
_refine_diff_density_rms         0.384
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.029
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     748
_refine_ls_number_reflns         11944
_refine_ls_number_restraints     65
_refine_ls_restrained_S_all      1.027
_refine_ls_R_factor_all          0.0973
_refine_ls_R_factor_gt           0.0546
_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^)+(0.0032P)^2^+22.7857P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1209
_refine_ls_wR_factor_ref         0.1485
_reflns_number_gt                7802
_reflns_number_total             11944
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2dt12202b.txt
_cod_data_source_block           3
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from
2010-06-29.

'_exptl_absorpt_correction_type' value 'Multi-scan'
changed to 'multi-scan' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_cell_volume        6785(11)
_cod_original_sg_symbol_H-M      P2(1)/n
_cod_database_code               7018602