Novel 1-D double-chain organic‒inorganic hybrid polyoxotungstates constructed from dimeric copper‒lanthanide heterometallic silicotungstate units
Zhao, Junwei; Luo, Jie; Chen, Lijuan; Yuan, Jing; Li, Huiying; Ma, Pengtao; Wang, Jingping; Niu, Jingyang; CrystEngComm 14 (2012) 7981–; doi:10.1039/c2ce26007g

data_7214877
_publ_section_title
;
 Novel 1-D double-chain organic--inorganic hybrid polyoxotungstates
 constructed from dimeric copper--lanthanide heterometallic
 silicotungstate units
;
_journal_issue                   23
_journal_name_full               CrystEngComm
_journal_page_first              7981
_journal_paper_doi               10.1039/c2ce26007g
_journal_volume                  14
_journal_year                    2012
_chemical_formula_sum            'C18 H98 Cu3 Er2 N12 O95 Si2 W22'
_chemical_formula_weight         6629.10
_chemical_name_systematic
;
?
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                85.211(3)
_cell_angle_beta                 75.145(3)
_cell_angle_gamma                74.548(3)
_cell_formula_units_Z            1
_cell_length_a                   11.330(2)
_cell_length_b                   12.531(2)
_cell_length_c                   21.364(4)
_cell_measurement_reflns_used    9726
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      25.00
_cell_measurement_theta_min      1.69
_cell_volume                     2825.5(9)
_computing_cell_refinement       'Bruker XSCANS'
_computing_data_collection       'Bruker XSCANS'
_computing_data_reduction        'Bruker SHELXTL'
_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_detector_area_resol_mean none
_diffrn_measured_fraction_theta_full 0.977
_diffrn_measured_fraction_theta_max 0.977
_diffrn_measurement_device_type  'Bruker P4'
_diffrn_measurement_method       '\w 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  0.0965
_diffrn_reflns_av_sigmaI/netI    0.1668
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            14018
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.69
_diffrn_standards_decay_%        none
_diffrn_standards_interval_count none
_diffrn_standards_interval_time  none
_diffrn_standards_number         none
_exptl_absorpt_coefficient_mu    24.434
_exptl_absorpt_correction_T_max  0.2171
_exptl_absorpt_correction_T_min  0.0314
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            purple
_exptl_crystal_density_diffrn    3.896
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             2929
_exptl_crystal_size_max          0.46
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.09
_refine_diff_density_max         4.262
_refine_diff_density_min         -4.198
_refine_diff_density_rms         0.617
_refine_ls_extinction_coef       0.00028(3)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.041
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     617
_refine_ls_number_reflns         9726
_refine_ls_number_restraints     156
_refine_ls_restrained_S_all      1.040
_refine_ls_R_factor_all          0.1197
_refine_ls_R_factor_gt           0.0876
_refine_ls_shift/su_max          0.005
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0609P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1728
_refine_ls_wR_factor_ref         0.1810
_reflns_number_gt                5606
_reflns_number_total             9726
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2ce26007g.txt
_cod_data_source_block           9
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to
/usr/data/users/saulius/automatic-downloads/retrospective/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2281 2013-09-26 08:29:07Z andrius 
;
_cod_original_cell_volume        2825.4(9)
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7214877