Database of Zeolite Structures
 

Framework Type NPO
Reference Material
  Material Name: Nitridophosphate-1    
 
Chemical Formula:
 
|LixH6-x-y+zClz|2 [P6N12-yOy]2-NPO  (x = 3 - 4.6, y = 1 - 2, z = 1 - 1.5)
 
   
Unit Cell:
 
orthorhombic

 P n a 21 (# 194)
    a' = 4.7530 Å b' = 14.2080 Å c' = 8.2030 Å  
    α' = 90.000° β' = 90.000° γ' = 90.000°  
(Relationship to unit cell of Framework Type: a' = c, b' = a ยท sqrt(3) , c' = b
or, as vectors, a' = c, b' = 2a + b, c' = b)
   
Framework Density:
 
21.7 T/1000 Å3
 
 
Channels:
 
[100] 12 3.3 x 4.4*
Dimensionality
  Sorption (molecular cross section > 3.4Å): 0-dimensional
  Topological (pore opening > 6-ring): 1-dimensional
   
References:
  Correll, S., Oeckler, O., Stock, N. and Schnick, W.
  "Lix H12-x-y+z P12 Oy N24-y Clz - An oxonitridophosphate with a zeolitelike framework structure composed of 3-rings"
Angew. Chem. Int. Ed., 42, 3549-3552 (2003)
 
 
Name and Code derivation:
    Oxonitridophosphate-1 (one)
  NPO
Limiting Rings
 
12-ring viewed along [100]