Anisotropic Polyoxometalate Cages Assembled via Layers of Heteroanion Templates.
Zheng, Qi; Kupper, Manuel; Xuan, Weimin; Oki, Hirofumi; Tsunashima, Ryo; Long, De-Liang; Cronin, Leroy; Journal of the American Chemical Society 141 (2019) 13479–13486; doi:10.1021/jacs.9b04533

data_4128898
_publ_section_title
;
 Anisotropic Polyoxometalate Cages Assembled via Layers of Heteroanion
 Templates.
;
_journal_issue                   34
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              13479
_journal_page_last               13486
_journal_paper_doi               10.1021/jacs.9b04533
_journal_volume                  141
_journal_year                    2019
_chemical_formula_sum            'C14 H79 Mo2 N7 O70 Se W16'
_chemical_formula_weight         4678.28
_space_group_crystal_system      trigonal
_space_group_IT_number           166
_space_group_name_Hall           '-R 3 2"'
_space_group_name_H-M_alt        'R -3 m :H'
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2018/3
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120.000(15)
_cell_formula_units_Z            3
_cell_length_a                   21.1690(9)
_cell_length_b                   21.1690(13)
_cell_length_c                   15.8379(12)
_cell_measurement_reflns_used    1974
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      26.2
_cell_measurement_theta_min      2.80
_cell_volume                     6146.5(11)
_computing_cell_refinement       Apex3
_computing_data_collection       Apex3
_computing_data_reduction        Apex3
_computing_molecular_graphics    Diamond3
_computing_publication_material  WinGX
_computing_structure_refinement  'SHELXL-2018/3 (Sheldrick, 2018)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Bruker Apex II Quasar'
_diffrn_measurement_method       '\w & \f scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0493
_diffrn_reflns_av_unetI/netI     0.0436
_diffrn_reflns_Laue_measured_fraction_full 0.997
_diffrn_reflns_Laue_measured_fraction_max 0.997
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -26
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            7799
_diffrn_reflns_point_group_measured_fraction_full 0.997
_diffrn_reflns_point_group_measured_fraction_max 0.997
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         25.994
_diffrn_reflns_theta_min         2.802
_diffrn_source                   '1uS Microfocus x-ray'
_exptl_absorpt_coefficient_mu    23.200
_exptl_absorpt_correction_T_max  0.093
_exptl_absorpt_correction_T_min  0.057
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   'SADABS-2016/2 - Bruker AXS'
_exptl_crystal_colour            blue
_exptl_crystal_density_diffrn    3.792
_exptl_crystal_density_method    none
_exptl_crystal_description       block
_exptl_crystal_F_000             6222
_exptl_crystal_size_max          0.100
_exptl_crystal_size_mid          0.050
_exptl_crystal_size_min          0.050
_refine_diff_density_max         1.07
_refine_diff_density_min         -2.22
_refine_diff_density_rms         0.23
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.121
_refine_ls_hydrogen_treatment    undef
_refine_ls_matrix_type           full
_refine_ls_number_parameters     100
_refine_ls_number_reflns         1459
_refine_ls_number_restraints     4
_refine_ls_restrained_S_all      1.122
_refine_ls_R_factor_all          0.0563
_refine_ls_R_factor_gt           0.0390
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0229P)^2^+267.9754P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0895
_refine_ls_wR_factor_ref         0.1010
_reflns_Friedel_coverage         0.000
_reflns_number_gt                1121
_reflns_number_total             1459
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ja9b04533_si_003.cif
_cod_data_source_block           qz62f_1
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_atom_sites_solution_primary' value 'direct methods' was
changed to 'direct'.

Automatic conversion script
Id: cif_fix_values 6909 2019-04-08 15:41:33Z antanas 
;
_cod_original_cell_volume        6146.5(7)
_cod_database_code               4128898
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_min   0.205
_shelx_estimated_absorpt_t_max   0.390
_shelx_res_checksum              25410
_shelx_hkl_checksum              81315