Trilacunary A-beta-Keggin tungstogermanates and -silicates functionalized with phenyltin(IV) electrophiles.
Reinoso, Santiago; Piedra-Garza, Luis Fernando; Dickman, Michael H.; Praetorius, Antonia; Biesemans, Monique; Willem, Rudolph; Kortz, Ulrich; Dalton transactions (Cambridge, England : 2003) 39 (2010) 248–255; doi:10.1039/b910889k

data_7024092
_publ_section_title
;
 Trilacunary A-beta-Keggin tungstogermanates and -silicates functionalized
 with phenyltin(IV) electrophiles.
;
_journal_issue                   1
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              248
_journal_page_last               255
_journal_paper_doi               10.1039/b910889k
_journal_volume                  39
_journal_year                    2010
_chemical_formula_sum            'C18 H74 Cs8 O96 Si2 Sn3 W18'
_chemical_formula_weight         6611.60
_chemical_name_systematic
;
?
;
_space_group_IT_number           11
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yb'
_symmetry_space_group_name_H-M   'P 1 21/m 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                 113.912(12)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   16.116(5)
_cell_length_b                   19.584(5)
_cell_length_c                   16.367(5)
_cell_measurement_reflns_used    1105
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      17.36
_cell_measurement_theta_min      2.52
_cell_volume                     4722(2)
_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      173(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_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  0.2219
_diffrn_reflns_av_sigmaI/netI    0.1009
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            82611
_diffrn_reflns_theta_full        21.97
_diffrn_reflns_theta_max         21.97
_diffrn_reflns_theta_min         3.17
_exptl_absorpt_coefficient_mu    25.791
_exptl_absorpt_correction_T_max  0.6137
_exptl_absorpt_correction_T_min  0.3681
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    4.650
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             5402
_exptl_crystal_size_max          0.071
_exptl_crystal_size_mid          0.043
_exptl_crystal_size_min          0.021
_refine_diff_density_max         3.786
_refine_diff_density_min         -3.192
_refine_diff_density_rms         0.460
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.066
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     355
_refine_ls_number_reflns         5956
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.066
_refine_ls_R_factor_all          0.1322
_refine_ls_R_factor_gt           0.0601
_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^)+(0.1000P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1514
_refine_ls_wR_factor_ref         0.1926
_reflns_number_gt                3431
_reflns_number_total             5956
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b910889k.txt
_cod_data_source_block           snsi
_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 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_sg_symbol_H-M      P2(1)/m
_cod_database_code               7024092