Database of Zeolite Structures
 

Framework Type UEI
Reference Material
  Material Name: Mu-18    
 
Chemical Formula:
 
|(MPIP)4 (H2O)4| [Ga24P24O96(OH)8]-UEI
MPIP = C5H12N2 = N-methylpiperazine
= 1-methylpiperazine
SMILES: CN1CCNCC1   Images:  stick or 3D
   
Unit Cell:
 
orthorhombic

 A e a 2 (# 41)
    a' = 18.0350 Å b' = 10.5130 Å c' = 14.2930 Å  
    α' = 90.000° β' = 90.000° γ' = 90.000°  
   
Framework Density:
 
17.7 T/1000 Å3
 
 
Channels:
 
{[010] 8 3.5 x 4.6 <-> [001] 8 2.5 x 3.6}**
Dimensionality
  Sorption (molecular cross section > 3.4Å): 1-dimensional
  Topological (pore opening > 6-ring): 2-dimensional
 
Stability:
 
reversibly adsorbs water below 350ÂșC
   
References:
  Josien, L., Simon, A., Gramlich, V. and Patarin, J.
  "Synthesis and characterization of the new hydroxygallophosphate Mu-18 with a framework topology closely related to that of the hydroxyaluminophosphate AlPO4-EN3"
Chem. Mater., 13, 1305-1311 (2001)
 
 
Name and Code derivation:
    Mulhouse - eighteen
  MU-18 (eighteen)
  UEI
Limiting Rings
 
8-ring viewed along [010]

8-ring viewed along [001]