The first polyoxometalate-templated four-fold interpenetrated coordination polymer with new topology and ferroelectricity.
Zheng, Shou-Tian; Yang, Guo-Yu; Dalton transactions (Cambridge, England : 2003) 39 (2010) 700–703; doi:10.1039/b916462f

data_7024391
_publ_section_title
;
 The first polyoxometalate-templated four-fold interpenetrated
 coordination polymer with new topology and ferroelectricity.
;
_journal_issue                   3
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              700
_journal_page_last               703
_journal_paper_doi               10.1039/b916462f
_journal_volume                  39
_journal_year                    2010
_chemical_formula_sum            'C100 H92 Cu6 N20 O44 Si W11'
_chemical_formula_weight         4709.62
_chemical_name_systematic
;
?
;
_space_group_IT_number           29
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2c -2ac'
_symmetry_space_group_name_H-M   'P c a 21'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   29.886(3)
_cell_length_b                   28.350(3)
_cell_length_c                   15.2719(18)
_cell_measurement_reflns_used    33159
_cell_measurement_temperature    294(2)
_cell_measurement_theta_max      27.4835
_cell_measurement_theta_min      2.0371
_cell_volume                     12939(2)
_computing_cell_refinement       'CrystalClear (Rigaku Corp., 2000)'
_computing_data_collection       'CrystalClear (Rigaku Corp., 2000)'
_computing_data_reduction        'CrystalClear (Rigaku Corp., 2000)'
_computing_molecular_graphics    SHELXTL
_computing_publication_material  SHELXTL
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      294(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'mercury CCD'
_diffrn_measurement_method       dtprofit.ref
_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  0.0501
_diffrn_reflns_av_sigmaI/netI    0.0327
_diffrn_reflns_limit_h_max       38
_diffrn_reflns_limit_h_min       -35
_diffrn_reflns_limit_k_max       36
_diffrn_reflns_limit_k_min       -36
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            97727
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         2.08
_diffrn_standards_decay_%        none
_diffrn_standards_interval_count none
_diffrn_standards_interval_time  none
_diffrn_standards_number         none
_exptl_absorpt_coefficient_mu    10.789
_exptl_absorpt_correction_T_max  0.393
_exptl_absorpt_correction_T_min  0.106
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 1996)'
_exptl_crystal_colour            Black
_exptl_crystal_density_diffrn    2.418
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Prism
_exptl_crystal_F_000             8744
_exptl_crystal_size_max          0.2600
_exptl_crystal_size_mid          0.1700
_exptl_crystal_size_min          0.0800
_refine_diff_density_max         1.608
_refine_diff_density_min         -2.217
_refine_diff_density_rms         0.163
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.001(1)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.045
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1693
_refine_ls_number_reflns         15349
_refine_ls_number_restraints     7
_refine_ls_restrained_S_all      1.044
_refine_ls_R_factor_all          0.0388
_refine_ls_R_factor_gt           0.0365
_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^)+(0.0450P)^2^+55.7650P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0905
_refine_ls_wR_factor_ref         0.0926
_reflns_number_gt                14653
_reflns_number_total             15349
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b916462f.txt
_cod_data_source_block           1
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.2 from
2011-04-26.

'_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 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_cell_volume        12939(3)
_cod_original_sg_symbol_H-M      Pca2(1)
_cod_database_code               7024391