Database of Zeolite Structures
 

Framework Type DFO
Reference Material
  Material Name: DAF-1    
 
Chemical Formula:
 
|(DecM+2)7 (H2O)40 | [Mg14Al52P66O264]-DFO
DecM+2 = C16H38N2+2 = decamethonium ion
= trimethyl-[10-(trimethylazaniumyl)decyl]azanium
SMILES: C[N+](C)(C)CCCCCCCCCC[N+](C)(C)C   Images:  stick or 3D
   
Unit Cell:
 
hexagonal

 P 6/m m m (# 191)
    a' = 22.3510 Å b' = 22.3510 Å c' = 21.6930 Å  
    α' = 90.000° β' = 90.000° γ' = 120.000°  
   
Framework Density:
 
14.1 T/1000 Å3
 
 
Channels:
 
{[001] 12 7.3 x 7.3 <-> [001] 8 3.4 x 5.6}*** <-> {[001] 12 6.2 x 6.2 <-> [001] 10 5.4 x 6.4}***
Dimensionality
  Sorption (molecular cross section > 3.4Å): 3-dimensional
  Topological (pore opening > 6-ring): 3-dimensional
 
Stability:
 
Transforms to AlPO4-5 and AlPO4-tridymite on heating to 500ÂșC
   
References:
  Wright, P.A., Jones, R.H., Natarajan, S., Bell, R.G., Chen, J.S., Hursthouse, M.B. and Thomas, J.M.
  "Synthesis and Structure of a Novel Large-Pore Microporous Magnesium-Containing Aluminophosphate (DAF-1)"
Chem. Commun., , 633-635 (1993)
  Muncaster, G., Sankar, G., Catlow, C.R.A., Thomas, J.M., Bell, R.G., Wright, P.A., Coles, S., Teat, S.J., Clegg, W. and Reeve, W.
  "An in situ microcrystal X-ray diffraction study of the synthetic aluminophosphate zeotypes DAF-1 and CoAPSO-44"
Chem. Mater., 11, 158-163 (1999)
Material name:   DAF-1
Chemical formula:   [Mg14Al52P66O264]-DFO
 
 
Name and Code derivation:
    Davy Faraday Research Laboratory - one
  DAF-1 (one)
  DFO
Limiting Rings
 
12-ring viewed along [001]

8-ring viewed normal to [001]

2nd 12-ring viewed along [001]

10-ring viewed normal to [001]