#*********************************************************************************<br>
#<br>
# Crystallographic Information File for VPI-8 <br>
#<br>
# Reference : <br>
#   Freyhardt, C.C., Lobo, R.F., Khodabandeh, S., Lewis, J.E., Tsapatsis, M., Yoshikawa, M., Camblor, M.A., Pan, M., Helmkamp, M.M., Zones, S.I. and Davis, M.E.<br>
#   J. Am. Chem. Soc., 118, 7299-7310, (1996)<br>
#<br>
#<br>
# CIF downloaded from the IZA-SC Database of Zeolite Structures<br>
# Ch. Baerlocher, L.B. McCusker and D.H. Brouwer<br>
# Database of Zeolite Structures: https://www.iza-structure.org/databases/ <br>
#<br>
#**********************************************************************************<br>


data_VPI-8<br>
_chemical_name_systematic 'VPI-8'<br><br>

_cell_length_a      13.045<br>
_cell_length_b      13.045<br>
_cell_length_c      5.034 <br>
_cell_angle_alpha   90 <br>
_cell_angle_beta    90 <br>
_cell_angle_gamma   90<br>
_cell_formula_units_Z   1<br>

<br>_space_group.name_H-M_ref   'P -4'<br>
_symmetry_space_group_name_H-M   'P -4'<br>
_symmetry_space_group_name_Hall  'P -4'<br>
_space_group.IT_number  81 <br>
<br>
 
 loop_<br>
_atom_site_label<br>
_atom_site_type_symbol<br>
_atom_site_fract_x<br>
_atom_site_fract_y<br>
_atom_site_fract_z<br>
_atom_site_B_iso_or_equiv<br>
_atom_site_occupancy<br>
SI1  Si  0  0  0.5  1.03  1<br>
SI2  Si  0.1991  0.0485  0.7568  1.03  1<br>
SI3  Si  0.8341  0.283  0.7444  1.03  1<br>
SI4  Si  0.6512  0.1468  0.763  1.03  1<br>
SI5  Si  0.5182  0.12278  0.2656  1.03  1<br>
O34  O  0.7159  0.2492  0.7089  1.97  1<br>
O32  O  0.8867  0.2442  0.0133  1.97  1<br>
O35  O  0.8253  0.4062  0.748  1.97  1<br>
O24  O  0.7243  0.0464  0.7842  1.97  1<br>
O55  O  0.5  0  0.243  1.97  1<br>
O12  O  0.0746  0.0195  0.7489  1.97  1<br>
O54  O  0.5575  0.1441  0.5614  1.97  1<br>
O45  O  0.5998  0.1581  0.0521  1.97  1<br>
O23  O  0.9048  0.234  0.5175  1.97  1<br>

# End of data for VPI-8<br>