#********************************************************************************* # # Crystallographic Information File for ITQ-17 (Beta polymorph C) # # Reference : # Corma, A., Navarro, M.T., Rey, F., Rius, J. and Valencia, S. # Angew. Chem. Int. Ed., 40, 2277-2280, (2001) # # # CIF downloaded from the IZA-SC Database of Zeolite Structures # Ch. Baerlocher and L.B. McCusker, # Database of Zeolite Structures: http://www.iza-structure.org/databases/ # #********************************************************************************** data_ITQ-17_(Beta_polymorph_C) _chemical_name_systematic 'ITQ-17 (Beta polymorph C)' _cell_length_a 12.823 _cell_length_b 12.823 _cell_length_c 13.345 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_formula_units_Z 1 _space_group.name_H-M_ref 'P 42/m m c' _symmetry_space_group_name_H-M 'P 42/m m c' _symmetry_space_group_name_Hall '-P 4c 2' _space_group.IT_number 131 loop_ _atom_site_label _atom_site_type_symbol _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_B_iso_or_equiv _atom_site_occupancy Si1 Si 0.3777 0.1259 0.1143 2.4 0.54 Ge1 Ge 0.3777 0.1259 0.1143 2.4 0.46 Si2 Si 0.1915 0.1915 0.25 2.4 0.72 Ge2 Ge 0.1915 0.1915 0.25 2.4 0.28 Si3 Si 0 0.1229 0.116 2.4 0.77 Ge3 Ge 0 0.1229 0.116 2.4 0.23 O1 O 0 0 0.1303 2.4 1 O2 O 0.0994 0.1764 0.1705 2.4 1 O3 O 0.3486 0 0.1278 2.4 1 O4 O 0.5 0.1481 0.1555 2.4 1 O5 O 0.301 0.1772 0.1954 2.4 1 O6 O 0.3543 0.1583 0 2.4 1 O7 O 0 0.1635 0 2.4 1 # End of data for ITQ-17_(Beta_polymorph_C)