# generated using pymatgen
data_NaAlSi3O8
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.25887137
_cell_length_b   7.53764068
_cell_length_c   8.23035586
_cell_angle_alpha   110.76970173
_cell_angle_beta   115.74762106
_cell_angle_gamma   100.51372838
_symmetry_Int_Tables_number   1
_chemical_formula_structural   NaAlSi3O8
_chemical_formula_sum   'Na2 Al2 Si6 O16'
_cell_volume   347.66080583
_cell_formula_units_Z   2
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
loop_
 _atom_type_symbol
 _atom_type_oxidation_number
  Na+  1.0
  Al3+  3.0
  Si4+  4.0
  O2-  -2.0
loop_
 _atom_site_type_symbol
 _atom_site_label
 _atom_site_symmetry_multiplicity
 _atom_site_fract_x
 _atom_site_fract_y
 _atom_site_fract_z
 _atom_site_occupancy
  Na+  Na0  1  0.89030600  0.02547700  0.74435900  1
  Na+  Na1  1  0.10969400  0.97452300  0.25564100  1
  Al3+  Al2  1  0.02913200  0.65884400  0.81983800  1
  Al3+  Al3  1  0.97086800  0.34115600  0.18016200  1
  Si4+  Si4  1  0.41134100  0.35901000  0.17418900  1
  Si4+  Si5  1  0.58865900  0.64099000  0.82581100  1
  Si4+  Si6  1  0.51187900  0.77773300  0.19425000  1
  Si4+  Si7  1  0.48812100  0.22226700  0.80575000  1
  Si4+  Si8  1  0.79375200  0.23490500  0.43221700  1
  Si4+  Si9  1  0.20624800  0.76509500  0.56778300  1
  O2-  O10  1  0.83184700  0.73530000  0.86446000  1
  O2-  O11  1  0.16815300  0.26470000  0.13554000  1
  O2-  O12  1  0.68759800  0.00335400  0.40579300  1
  O2-  O13  1  0.31240200  0.99664600  0.59420700  1
  O2-  O14  1  0.26552500  0.77368100  0.07334400  1
  O2-  O15  1  0.73447500  0.22631900  0.92665600  1
  O2-  O16  1  0.58358500  0.29627300  0.32603600  1
  O2-  O17  1  0.41641500  0.70372700  0.67396400  1
  O2-  O18  1  0.94920900  0.39148300  0.67903100  1
  O2-  O19  1  0.05079100  0.60851700  0.32096900  1
  O2-  O20  1  0.51443700  0.61200300  0.27988700  1
  O2-  O21  1  0.48556300  0.38799700  0.72011300  1
  O2-  O22  1  0.07476700  0.78211400  0.68583200  1
  O2-  O23  1  0.92523300  0.21788600  0.31416800  1
  O2-  O24  1  0.38120000  0.26120100  0.94750400  1
  O2-  O25  1  0.61880000  0.73879900  0.05249600  1