-JSI: Type Material
 
Database of Zeolite Structures
 

Framework Type -JSI
Reference Material
  Material Name: JU-69, calcined    
 
Chemical Formula:		  
[Si76O146(OH)12]--JSI
   
Unit Cell: 		 
hexagonal
 P -3 (# 147)
    a' = 30.7597 Å b' = 30.7597 Å c' = 9.8778 Å  
    α' = 90.000° β' = 90.000° γ' = 120.000°  
   
Framework Density: 		 
9.4 T/1000 Å3
 
  
Channels: 		 
[001] 36 25.7 x 19.1*
Dimensionality
  Sorption (molecular cross section > 3.4Å): 1-dimensional
  Topological (pore opening > 6-ring): 1-dimensional
 
Stability:		  
Stable to 900°C in dry atmosphere and after refluxing for 1 day in boiling water
   
References:
  Gong, A., Nie, C., Ding, H., Chen, C., Zhang, Q., He, G., Jia, X., Liu, N., Li, T., Li, Y., Jiang, Z., Mei, D., Han, Y., Guo, P., Chen, F.-J. and Yu, J.
  "A Stable Mesoporous Zeolite with Superlarge 36-Ring Channels. J. Am. Chem. Soc."
J. Am. Chem. Soc., 148, 13358-13367 (2026)
 
  § Sun J., Tian X., Zhang Z., Liu J., Han L., Xu F., Jiang H., Ma C., Guo H., Lin C., Jiang Q., Li G., Lo T. W. B., Song H., Lin W.., Xu L., and Li J.
  "A 36-­ ring zeolite with intrinsic cylindrical mesopores."
Science, 392, 6793 (2026)
Material name:   NJU-120-6, calcined
Chemical formula:   [Si76O146(OH)12]--JSI
  Jihong Yu
  "New Synthesis for JU-69 "
Private Communication, , 0 (2026)
Material name:   JU-69, calcined, new synthesis
Chemical formula:   [Si76O146(OH)12]--JSI
 
  The additional references point to more recent (better) refinements and/or better (purer) Materials
  § Chemical Formula and Unit Cell taken from the reference marked with this sign
 
  
Name and Code derivation:
    Chemistry, Jilin University - sixty-nine
  JU-69 (sixty-nine)
  -JSI
Limiting Rings
 
36-ring viewed along [001]


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