A feasible route to approach 3D POM-based hybrids: utilizing substituted or reduced Keggin anions with high charge density.
Zhang, Chun-Jing; Pang, Hai-Jun; Tang, Qun; Chen, Ya-Guang; Dalton transactions (Cambridge, England : 2003) 41 (2012) 9365–9372; doi:10.1039/c2dt30152k

data_7019691
_publ_section_title
;
 A feasible route to approach 3D POM-based hybrids: utilizing substituted
 or reduced Keggin anions with high charge density.
;
_journal_issue                   31
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              9365
_journal_page_last               9372
_journal_paper_doi               10.1039/c2dt30152k
_journal_volume                  41
_journal_year                    2012
_chemical_formula_sum            'C28 H40 Ag5 N24 O40 P W12'
_chemical_formula_weight         4129.24
_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                90.000
_cell_angle_beta                 91.946(1)
_cell_angle_gamma                90.000
_cell_formula_units_Z            2
_cell_length_a                   13.119(1)
_cell_length_b                   22.809(1)
_cell_length_c                   11.840(2)
_cell_measurement_reflns_used    5575
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      28.16
_cell_measurement_theta_min      2.37
_cell_volume                     3540.9(7)
_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      293(2)
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.992
_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     0.71069
_diffrn_reflns_av_R_equivalents  0.0369
_diffrn_reflns_av_sigmaI/netI    0.0420
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -27
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            17356
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.55
_diffrn_standards_decay_%        none
_diffrn_standards_interval_count 150
_diffrn_standards_number         2
_exptl_absorpt_coefficient_mu    20.872
_exptl_absorpt_correction_T_max  0.012
_exptl_absorpt_correction_T_min  0.008
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 1996)'
_exptl_crystal_colour            black
_exptl_crystal_density_diffrn    3.873
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             3668.0
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.24
_exptl_crystal_size_min          0.21
_refine_diff_density_max         3.446
_refine_diff_density_min         -1.788
_refine_diff_density_rms         0.248
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.087
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     509
_refine_ls_number_reflns         6237
_refine_ls_number_restraints     48
_refine_ls_restrained_S_all      1.293
_refine_ls_R_factor_all          0.0442
_refine_ls_R_factor_gt           0.0342
_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^)+(0.0424P)^2^+8.0715P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0829
_refine_ls_wR_factor_ref         0.0871
_reflns_number_gt                5132
_reflns_number_total             6237
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2dt30152k.txt
_cod_data_source_block           p
_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.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_sg_symbol_H-M      'P2(1)/c '
_cod_database_code               7019691