#*********************************************************************************
#
# Crystallographic Information File for ZSM-18, siliceous
#
# Reference :
# Lawton, S.L. and Rohrbaugh, W.J.
# Science, 247, 1319-1321, (1990)
#
#
# CIF downloaded from the IZA-SC Database of Zeolite Structures
# Ch. Baerlocher, L.B. McCusker and D.H. Brouwer
# Database of Zeolite Structures: https://www.iza-structure.org/databases/
#
#**********************************************************************************
data_ZSM-18_siliceous
_chemical_name_systematic 'ZSM-18, siliceous'

_cell_length_a 13.175
_cell_length_b 13.175
_cell_length_c 15.848
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 120
_cell_formula_units_Z 1

_space_group.name_H-M_ref 'P 63/m'
_symmetry_space_group_name_H-M 'P 63/m'
_symmetry_space_group_name_Hall '-P 6c'
_space_group.IT_number 176

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 0.6667 0.3333 0.3495 0 1
SI2 Si 0.6713 0.15 0.47 0 1
SI3 Si 0.4522 0.1161 0.5682 0 1
SI4 Si 0.5266 0.2118 0.75 0 1
O1 O 0.6667 0.3333 0.25 0 1
O2 O 0.6623 0.2169 0.3878 0 1
O3 O 0.5793 0.1388 0.5411 0 1
O4 O 0.4217 0.1984 0.5101 0 1
O5 O 0.454 0.1495 0.6663 0 1
O6 O 0.6506 0.2126 0.75 0 1
O7 O 0.6443 0.02 0.4453 0 1
# End of data for ZSM-18_siliceous