Mimicking high-silica zeolites: highly stable germanium- and tin-rich zeolite-type chalcogenides.
Lin, Qipu; Bu, Xianhui; Mao, Chengyu; Zhao, Xiang; Sasan, Koroush; Feng, Pingyun; Journal of the American Chemical Society 137 (2015) 6184–6187; doi:10.1021/jacs.5b03550

data_4123670
_publ_section_title
;
 Mimicking high-silica zeolites: highly stable germanium- and tin-rich
 zeolite-type chalcogenides.
;
_journal_issue                   19
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              6184
_journal_page_last               6187
_journal_paper_doi               10.1021/jacs.5b03550
_journal_volume                  137
_journal_year                    2015
_chemical_formula_moiety         'Ge24 S48'
_chemical_formula_sum            'Ge24 S48'
_chemical_formula_weight         3282.00
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           217
_symmetry_cell_setting           cubic
_symmetry_space_group_name_Hall  'I -4 2 3'
_symmetry_space_group_name_H-M   'I -4 3 m'
_atom_sites_solution_hydrogens   none
_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            2
_cell_length_a                   20.722(4)
_cell_length_b                   20.722(4)
_cell_length_c                   20.722(4)
_cell_measurement_reflns_used    4213
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      22.83
_cell_measurement_theta_min      2.41
_cell_volume                     8898(3)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_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      296(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \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  0.0483
_diffrn_reflns_av_sigmaI/netI    0.0415
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            13863
_diffrn_reflns_theta_full        22.50
_diffrn_reflns_theta_max         24.75
_diffrn_reflns_theta_min         1.39
_diffrn_standards_decay_%        none
_diffrn_standards_interval_count none
_diffrn_standards_interval_time  none
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    4.555
_exptl_absorpt_correction_T_max  0.162
_exptl_absorpt_correction_T_min  0.162
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            light-yellow
_exptl_crystal_density_diffrn    1.225
_exptl_crystal_density_meas      1.1
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       'rhombic-dodecahedral '
_exptl_crystal_F_000             3072
_exptl_crystal_size_max          0.43
_exptl_crystal_size_mid          0.42
_exptl_crystal_size_min          0.40
_refine_diff_density_max         1.670
_refine_diff_density_min         -0.966
_refine_diff_density_rms         0.310
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.04(6)
_refine_ls_extinction_coef       0.00082(15)
_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   1.077
_refine_ls_hydrogen_treatment    none
_refine_ls_matrix_type           full
_refine_ls_number_parameters     31
_refine_ls_number_reflns         1446
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.077
_refine_ls_R_factor_all          0.1089
_refine_ls_R_factor_gt           0.0814
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1571P)^2^+55.3935P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2155
_refine_ls_wR_factor_ref         0.2512
_reflns_number_gt                1045
_reflns_number_total             1446
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja5b03550_si_002.cif
_cod_data_source_block           CPM-120-ZnGeS
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Cubic' changed to 'cubic' according
to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/ACS/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 3271 2015-04-21 07:52:19Z andrius 

 Adding full bibliography for 4123670--4123675.cif.
;
_cod_original_sg_symbol_H-M      I-43m
_cod_database_code               4123670