Database of Zeolite Structures

Framework Type ANA
Reference Material
  Material Name: Analcime    
Chemical Formula:
|Na16 (H2O)16 | [Al16Si32O96]-ANA
Unit Cell:§

 I a -3 d (# 230)
    a' = 13.7300 Å b' = 13.7300 Å c' = 13.7300 Å  
    α' = 90.000° β' = 90.000° γ' = 90.000°  
Framework Density:
18.5 T/1000 Å3
irregular channels formed by highly distorted 8-rings
  Sorption (molecular cross section > 3.4Å): 0-dimensional
  Topological (pore opening > 6-ring): 3-dimensional
  Taylor, W.H.
  "The structure of analcite (NaAlSi2O6·H2O)"
Z. Kristallogr., 74, 1-19 (1930)
Material name:   Analcime
Chemical formula:   [Al16Si32O96]-ANA
  § Ferraris, G., Jones, D.W. and Yerkess, J.
  "A neutron diffraction study of the crystal structure of analcime, NaAlSi2O6·H2O"
Z. Kristallogr., 135, 240-252 (1972)
  Knowles, C.R., Rinaldi, F.F. and Smith, J.V.
Indian Mineral., 6, 127- (1965)
Material name:   Analcime
Chemical formula:   [Al16Si32O96]-ANA
Name and Code derivation:
§ Chemical Formula and Unit Cell taken from the reference marked with this sign
Limiting Rings
distorted 8-ring viewed along [110]