Database of Zeolite Structures
 

Framework Type GOO
Reference Material
  Material Name: Goosecreekite    
 
Chemical Formula:
 
|Ca4 (H2O)20|1/2 [Al8Si24O64]1/2-GOO
 
   
Unit Cell:
 
monoclinic

 P 1 21 1 (# 20)
    a' = 7.4010Å b' = 17.4390Å c' = 7.2930Å  
    α' = 90.000 ° β' = 105.440° γ' = 90.000°  
(Relationship to unit cell of Framework Type: a' = a/ 2cos(β'/2), b' = c, c' = a/ 2cos(β'/2)
or, as vectors, a' = (a + b)/2, b' = c, c' = (a - b)/2
   
Framework Density:
 
17.6 T/1000 Å3
 
 
Channels:
 
[100] 8 2.8 x 4.0* <-> [010] 8 2.7 x 4.1* <-> [001] 8 2.9 x 4.7*
Dimensionality
  Sorption (molecular cross section > 3.4Å): 0-dimensional
  Topological (pore opening > 6-ring): 3-dimensional
   
References:
  Rouse, R.C. and Peacor, D.R.
  "Crystal structure of the zeolite mineral goosecreekite, CaAl2Si6O16·5H2O"
Am. Mineral., 71, 1494-1501 (1986)
 
 
Name and Code derivation:
    Goosecreekite
  GOO
Limiting Rings
 
8-ring viewed along [100]

8-ring viewed along [010]

8-ring viewed along [001]