Skip to content

Crystal Lab › Frameworks & porous solids

Faujasite (zeolite X/Y) Na₅₆(Al,Si)₁₉₂O₃₈₄

Zeolite framework · space group Fd-3m:2 (No. 227) · Z = 1

Open in 3D →

Unit cell

Lattice constants
a = 24.750 Å, b = 24.750 Å, c = 24.750 Å; α = 90°, β = 90°, γ = 90°
Cell volume
15160.7 ų
Atoms in the cell
624 (Na 48, O 384, Si 192)
Formula units Z
1
Calculated density
0.79 g cm⁻³
Shortest contact
1.609 Å

Coordination

Na
CN 4 at 2.43 Å (4 O)
O
CN 2 at 1.61 Å (2 Si)
Si
CN 4 at 1.61 Å (4 O)

About the structure

  • Sodalite cages joined through hexagonal prisms into a diamond-like net; the gaps between them are supercages about 12 Å across, entered through 12-ring windows (7.4 Å).
  • Zeolite Y (this Si/Al ratio) is the catalyst of fluid catalytic cracking — the largest-volume use of any zeolite.
  • Si and Al share the framework site (shown as Si); water inside the pores and the partly occupied Na⁺ sites are left out, so 48 of the 56 Na⁺ are shown.
  • Coordinates from the Crystallography Open Database, entry 1527026 (open data); hydrogen and water sites with partial occupancy below 0.5 are left out. Some sites are partially occupied in the real crystal.

Atom positions (fractional, one cell)

Atomxyz
Na0.23650.23650.2365
Na0.76350.48650.4865
Na0.51350.01350.7365
Na0.98650.76350.9865
Na0.23650.01350.0135
Na0.98650.48650.2635
Na0.51350.23650.5135
Na0.76350.76350.7635
Na0.73650.51350.0135
Na0.48650.98650.2635
Na0.01350.73650.5135
Na0.76350.26350.2635
Na0.01350.01350.2365
Na0.48650.76350.4865
Na0.26350.48650.9865
Na0.23650.51350.5135
Na0.01350.23650.0135
Na0.76350.98650.9865
Na0.01350.51350.7365
Na0.98650.26350.4865
Na0.23650.73650.7365
Na0.98650.98650.7635
Na0.51350.51350.2365
Na0.51350.73650.0135
Na0.73650.01350.5135
Na0.48650.48650.7635
Na0.48650.26350.9865
Na0.26350.98650.4865
Na0.73650.23650.7365
Na0.26350.76350.2635
Na0.26350.26350.7635
Na0.73650.73650.2365
O0.17700.17700.3186
O0.82300.42700.5686
O0.57300.07300.8186
O0.92700.82300.0686
O0.17700.07300.9314
O0.92700.42700.1814
O0.57300.17700.4314
O0.82300.82300.6814
O0.31860.17700.1770
O0.82300.56860.4270
O0.43140.07300.6770
O0.92700.68140.9270
O0.31860.07300.0730
O0.92700.56860.3230
O0.43140.17700.5730
O0.82300.68140.8230
O0.17700.31860.1770
O0.67700.43140.0730
O0.56860.92700.3230
O0.07300.81860.5730
O0.68140.32300.3230
O0.07300.93140.1770
O0.56860.82300.4270
O0.18140.42700.9270
O0.17700.57300.4314
O0.42700.92700.1814
O0.07300.17700.9314
O0.82300.92700.0686
O0.07300.57300.8186
O0.42700.82300.5686
O0.68140.82300.8230
O0.17700.43140.5730
O0.07300.31860.0730
O0.68140.92700.9270
O0.07300.43140.6770
O0.32300.56860.9270
O0.92700.18140.4270
O0.31860.67700.6770
O0.92700.06860.8230
O0.81860.57300.0730
O0.17700.67700.8186
O0.57300.57300.3186
O0.92700.32300.5686
O0.92700.92700.6814
O0.57300.67700.9314
O0.82300.32300.1814
O0.82300.06860.9270
O0.43140.57300.1770
O0.31860.57300.5730
O0.43140.67700.0730
O0.82300.18140.3230
O0.17700.81860.6770
O0.67700.93140.5730
O0.56860.42700.8230
O0.56860.32300.9270
O0.18140.92700.4270
O0.42700.42700.6814
O0.07300.67700.4314
O0.07300.07300.3186
O0.42700.32300.0686
O0.17700.93140.0730
O0.68140.42700.4270
O0.32300.06860.4270
O0.81860.07300.5730
O0.67700.17700.8186
O0.32300.42700.0686
O0.67700.07300.4314
O0.32300.82300.1814
O0.81860.17700.6770
O0.93140.07300.1770
O0.42700.68140.4270
O0.42700.56860.8230
O0.93140.17700.0730
O0.32300.68140.3230
O0.67700.31860.6770
O0.06860.92700.8230
O0.57300.81860.0730
O0.18140.32300.8230
O0.57300.93140.6770
O0.06860.82300.9270
O0.67700.57300.9314
O0.32300.92700.5686
O0.18140.82300.3230
O0.57300.31860.5730
O0.57300.43140.1770
O0.42700.18140.9270
O0.81860.67700.1770
O0.42700.06860.3230
O0.67700.67700.3186
O0.32300.32300.6814
O0.93140.57300.6770
O0.93140.67700.5730
O0.32300.18140.8230
O0.67700.81860.1770
O0.06860.42700.3230
O0.06860.32300.4270
O0.25130.25130.1407
O0.74870.50130.3907
O0.49870.99870.6407
O0.00130.74870.8907
O0.25130.99870.1093
O0.00130.50130.3593
O0.49870.25130.6093
O0.74870.74870.8593
O0.14070.25130.2513
O0.74870.39070.5013
O0.60930.99870.7513
O0.00130.85930.0013
O0.14070.99870.9987
O0.00130.39070.2487
O0.60930.25130.4987
O0.74870.85930.7487
O0.25130.14070.2513
O0.75130.60930.9987
O0.39070.00130.2487
O0.99870.64070.4987
O0.85930.24870.2487
O0.99870.10930.2513
O0.39070.74870.5013
O0.35930.50130.0013
O0.25130.49870.6093
O0.50130.00130.3593
O0.99870.25130.1093
O0.74870.00130.8907
O0.99870.49870.6407
O0.50130.74870.3907
O0.85930.74870.7487
O0.25130.60930.4987
O0.99870.14070.9987
O0.85930.00130.0013
O0.99870.60930.7513
O0.24870.39070.0013
O0.00130.35930.5013
O0.14070.75130.7513
O0.00130.89070.7487
O0.64070.49870.9987
O0.25130.75130.6407
O0.49870.49870.1407
O0.00130.24870.3907
O0.00130.00130.8593
O0.49870.75130.1093
O0.74870.24870.3593
O0.74870.89070.0013
O0.60930.49870.2513
O0.14070.49870.4987
O0.60930.75130.9987
O0.74870.35930.2487
O0.25130.64070.7513
O0.75130.10930.4987
O0.39070.50130.7487
O0.39070.24870.0013
O0.35930.00130.5013
O0.50130.50130.8593
O0.99870.75130.6093
O0.99870.99870.1407
O0.50130.24870.8907
O0.25130.10930.9987
O0.85930.50130.5013
O0.24870.89070.5013
O0.64070.99870.4987
O0.75130.25130.6407
O0.24870.50130.8907
O0.75130.99870.6093
O0.24870.74870.3593
O0.64070.25130.7513
O0.10930.99870.2513
O0.50130.85930.5013
O0.50130.39070.7487
O0.10930.25130.9987
O0.24870.85930.2487
O0.75130.14070.7513
O0.89070.00130.7487
O0.49870.64070.9987
O0.35930.24870.7487
O0.49870.10930.7513
O0.89070.74870.0013
O0.75130.49870.1093
O0.24870.00130.3907
O0.35930.74870.2487
O0.49870.14070.4987
O0.49870.60930.2513
O0.50130.35930.0013
O0.64070.75130.2513
O0.50130.89070.2487
O0.75130.75130.1407
O0.24870.24870.8593
O0.10930.49870.7513
O0.10930.75130.4987
O0.24870.35930.7487
O0.75130.64070.2513
O0.89070.50130.2487
O0.89070.24870.5013
Si0.12430.94430.0372
Si0.05570.37430.2872
Si0.62570.30570.5372
Si0.69430.87570.7872
Si0.12430.30570.2128
Si0.69430.37430.4628
Si0.62570.94430.7128
Si0.05570.87570.9628
Si0.03720.12430.9443
Si0.87570.28720.1943
Si0.71280.12570.4443
Si0.87430.96280.6943
Si0.03720.12570.3057
Si0.87430.28720.5557
Si0.71280.12430.8057
Si0.87570.96280.0557
Si0.94430.03720.1243
Si0.44430.71280.1257
Si0.28720.69430.3757
Si0.30570.53720.6257
Si0.96280.55570.3757
Si0.30570.21280.1243
Si0.28720.05570.3743
Si0.46280.19430.8743
Si0.87570.05570.9628
Si0.94430.62570.7128
Si0.37430.69430.4628
Si0.30570.12430.2128
Si0.87570.69430.7872
Si0.30570.62570.5372
Si0.37430.05570.2872
Si0.94430.12430.0372
Si0.96280.87570.0557
Si0.12430.71280.8057
Si0.28720.87430.5557
Si0.12570.03720.3057
Si0.96280.87430.6943
Si0.12570.71280.4443
Si0.28720.87570.1943
Si0.12430.03720.9443
Si0.05570.96280.8757
Si0.55570.28720.8743
Si0.71280.30570.6243
Si0.69430.46280.3743
Si0.03720.44430.6243
Si0.69430.78720.8757
Si0.71280.94430.6257
Si0.53720.80570.1257
Si0.12430.44430.5372
Si0.05570.87430.7872
Si0.62570.80570.0372
Si0.69430.37570.2872
Si0.12430.80570.7128
Si0.69430.87430.9628
Si0.62570.44430.2128
Si0.05570.37570.4628
Si0.03720.62430.4443
Si0.87570.78720.6943
Si0.71280.62570.9443
Si0.87430.46280.1943
Si0.03720.62570.8057
Si0.87430.78720.0557
Si0.71280.62430.3057
Si0.87570.46280.5557
Si0.94430.53720.6243
Si0.44430.21280.6257
Si0.28720.19430.8757
Si0.30570.03720.1257
Si0.96280.05570.8757
Si0.30570.71280.6243
Si0.28720.55570.8743
Si0.46280.69430.3743
Si0.87570.55570.4628
Si0.94430.12570.2128
Si0.37430.19430.9628
Si0.30570.62430.7128
Si0.87570.19430.2872
Si0.30570.12570.0372
Si0.37430.55570.7872
Si0.94430.62430.5372
Si0.96280.37570.5557
Si0.12430.21280.3057
Si0.28720.37430.0557
Si0.12570.53720.8057
Si0.96280.37430.1943
Si0.12570.21280.9443
Si0.28720.37570.6943
Si0.12430.53720.4443
Si0.05570.46280.3757
Si0.55570.78720.3743
Si0.71280.80570.1243
Si0.69430.96280.8743
Si0.03720.94430.1243
Si0.69430.28720.3757
Si0.71280.44430.1257
Si0.53720.30570.6257
Si0.62430.94430.5372
Si0.55570.37430.7872
Si0.12570.30570.0372
Si0.19430.87570.2872
Si0.62430.30570.7128
Si0.19430.37430.9628
Si0.12570.94430.2128
Si0.55570.87570.4628
Si0.53720.12430.4443
Si0.37570.28720.6943
Si0.21280.12570.9443
Si0.37430.96280.1943
Si0.53720.12570.8057
Si0.37430.28720.0557
Si0.21280.12430.3057
Si0.37570.96280.5557
Si0.44430.03720.6243
Si0.94430.71280.6257
Si0.78720.69430.8757
Si0.80570.53720.1257
Si0.46280.55570.8757
Si0.80570.21280.6243
Si0.78720.05570.8743
Si0.96280.19430.3743
Si0.37570.05570.4628
Si0.44430.62570.2128
Si0.87430.69430.9628
Si0.80570.12430.7128
Si0.37570.69430.2872
Si0.80570.62570.0372
Si0.87430.05570.7872
Si0.44430.12430.5372
Si0.46280.87570.5557
Si0.62430.71280.3057
Si0.78720.87430.0557
Si0.62570.03720.8057
Si0.46280.87430.1943
Si0.62570.71280.9443
Si0.78720.87570.6943
Si0.62430.03720.4443
Si0.55570.96280.3757
Si0.05570.28720.3743
Si0.21280.30570.1243
Si0.19430.46280.8743
Si0.53720.44430.1243
Si0.19430.78720.3757
Si0.21280.94430.1257
Si0.03720.80570.6257
Si0.62430.44430.0372
Si0.55570.87430.2872
Si0.12570.80570.5372
Si0.19430.37570.7872
Si0.62430.80570.2128
Si0.19430.87430.4628
Si0.12570.44430.7128
Si0.55570.37570.9628
Si0.53720.62430.9443
Si0.37570.78720.1943
Si0.21280.62570.4443
Si0.37430.46280.6943
Si0.53720.62570.3057
Si0.37430.78720.5557
Si0.21280.62430.8057
Si0.37570.46280.0557
Si0.44430.53720.1243
Si0.94430.21280.1257
Si0.78720.19430.3757
Si0.80570.03720.6257
Si0.46280.05570.3757
Si0.80570.71280.1243
Si0.78720.55570.3743
Si0.96280.69430.8743
Si0.37570.55570.9628
Si0.44430.12570.7128
Si0.87430.19430.4628
Si0.80570.62430.2128
Si0.37570.19430.7872
Si0.80570.12570.5372
Si0.87430.55570.2872
Si0.44430.62430.0372
Si0.46280.37570.0557
Si0.62430.21280.8057
Si0.78720.37430.5557
Si0.62570.53720.3057
Si0.46280.37430.6943
Si0.62570.21280.4443
Si0.78720.37570.1943
Si0.62430.53720.9443
Si0.55570.46280.8757
Si0.05570.78720.8743
Si0.21280.80570.6243
Si0.19430.96280.3743
Si0.53720.94430.6243
Si0.19430.28720.8757
Si0.21280.44430.6257
Si0.03720.30570.1257
O0.17750.17750.9703
O0.82250.42750.2203
O0.57250.07250.4703
O0.92750.82250.7203
O0.17750.07250.2797
O0.92750.42750.5297
O0.57250.17750.7797
O0.82250.82250.0297
O0.97030.17750.1775
O0.82250.22030.4275
O0.77970.07250.6775
O0.92750.02970.9275
O0.97030.07250.0725
O0.92750.22030.3225
O0.77970.17750.5725
O0.82250.02970.8225
O0.17750.97030.1775
O0.67750.77970.0725
O0.22030.92750.3225
O0.07250.47030.5725
O0.02970.32250.3225
O0.07250.27970.1775
O0.22030.82250.4275
O0.52970.42750.9275
O0.17750.57250.7797
O0.42750.92750.5297
O0.07250.17750.2797
O0.82250.92750.7203
O0.07250.57250.4703
O0.42750.82250.2203
O0.02970.82250.8225
O0.17750.77970.5725
O0.07250.97030.0725
O0.02970.92750.9275
O0.07250.77970.6775
O0.32250.22030.9275
O0.92750.52970.4275
O0.97030.67750.6775
O0.92750.72030.8225
O0.47030.57250.0725
O0.17750.67750.4703
O0.57250.57250.9703
O0.92750.32250.2203
O0.92750.92750.0297
O0.57250.67750.2797
O0.82250.32250.5297
O0.82250.72030.9275
O0.77970.57250.1775
O0.97030.57250.5725
O0.77970.67750.0725
O0.82250.52970.3225
O0.17750.47030.6775
O0.67750.27970.5725
O0.22030.42750.8225
O0.22030.32250.9275
O0.52970.92750.4275
O0.42750.42750.0297
O0.07250.67750.7797
O0.07250.07250.9703
O0.42750.32250.7203
O0.17750.27970.0725
O0.02970.42750.4275
O0.32250.72030.4275
O0.47030.07250.5725
O0.67750.17750.4703
O0.32250.42750.7203
O0.67750.07250.7797
O0.32250.82250.5297
O0.47030.17750.6775
O0.27970.07250.1775
O0.42750.02970.4275
O0.42750.22030.8225
O0.27970.17750.0725
O0.32250.02970.3225
O0.67750.97030.6775
O0.72030.92750.8225
O0.57250.47030.0725
O0.52970.32250.8225
O0.57250.27970.6775
O0.72030.82250.9275
O0.67750.57250.2797
O0.32250.92750.2203
O0.52970.82250.3225
O0.57250.97030.5725
O0.57250.77970.1775
O0.42750.52970.9275
O0.47030.67750.1775
O0.42750.72030.3225
O0.67750.67750.9703
O0.32250.32250.0297
O0.27970.57250.6775
O0.27970.67750.5725
O0.32250.52970.8225
O0.67750.47030.1775
O0.72030.42750.3225
O0.72030.32250.4275
Na0.00000.00000.0000
Na0.00000.25000.2500
Na0.75000.25000.5000
Na0.75000.00000.7500
Na0.50000.75000.2500
Na0.25000.75000.5000
Na0.25000.50000.7500
Na0.00000.50000.5000
Na0.25000.25000.0000
Na0.25000.00000.2500
Na0.50000.25000.7500
Na0.00000.75000.7500
Na0.75000.50000.2500
Na0.75000.75000.0000
Na0.50000.00000.5000
Na0.50000.50000.0000
O0.10670.89330.0000
O0.10670.35670.2500
O0.64330.35670.5000
O0.64330.89330.7500
O0.00000.10670.8933
O0.89330.25000.1433
O0.75000.14330.3933
O0.85670.00000.6433
O0.00000.14330.3567
O0.85670.25000.6067
O0.75000.10670.8567
O0.89330.00000.1067
O0.39330.75000.1433
O0.25000.64330.3933
O0.35670.50000.6433
O0.00000.60670.3933
O0.35670.25000.1067
O0.25000.10670.3567
O0.50000.14330.8567
O0.89330.10670.0000
O0.89330.64330.7500
O0.35670.64330.5000
O0.35670.10670.2500
O0.00000.89330.1067
O0.10670.75000.8567
O0.25000.85670.6067
O0.14330.00000.3567
O0.00000.85670.6433
O0.14330.75000.3933
O0.25000.89330.1433
O0.10670.00000.8933
O0.60670.25000.8567
O0.75000.35670.6067
O0.64330.50000.3567
O0.00000.39330.6067
O0.64330.75000.8933
O0.75000.89330.6433
O0.50000.85670.1433
O0.10670.39330.5000
O0.10670.85670.7500
O0.64330.85670.0000
O0.64330.39330.2500
O0.89330.75000.6433
O0.75000.64330.8933
O0.85670.50000.1433
O0.00000.64330.8567
O0.85670.75000.1067
O0.75000.60670.3567
O0.89330.50000.6067
O0.39330.25000.6433
O0.25000.14330.8933
O0.35670.00000.1433
O0.35670.75000.6067
O0.25000.60670.8567
O0.50000.64330.3567
O0.89330.60670.5000
O0.89330.14330.2500
O0.35670.14330.0000
O0.35670.60670.7500
O0.10670.25000.3567
O0.25000.35670.1067
O0.14330.50000.8567
O0.00000.35670.1433
O0.14330.25000.8933
O0.25000.39330.6433
O0.10670.50000.3933
O0.60670.75000.3567
O0.75000.85670.1067
O0.64330.00000.8567
O0.64330.25000.3933
O0.75000.39330.1433
O0.50000.35670.6433
O0.60670.89330.5000
O0.60670.35670.7500
O0.14330.35670.0000
O0.14330.89330.2500
O0.50000.10670.3933
O0.39330.00000.6067
O0.50000.60670.8933
O0.39330.10670.5000
O0.39330.64330.2500
O0.85670.64330.0000
O0.85670.10670.7500
O0.50000.89330.6067
O0.60670.00000.3933
O0.50000.39330.1067
O0.60670.39330.0000
O0.60670.85670.2500
O0.14330.85670.5000
O0.14330.39330.7500
O0.39330.50000.1067
O0.39330.60670.0000
O0.39330.14330.7500
O0.85670.14330.5000
O0.85670.60670.2500
O0.60670.50000.8933

Z, coordination numbers, distances, density and packing on this page are computed from these coordinates.

Other frameworks & porous solids

Open Faujasite (zeolite X/Y) in the 3D viewer →  ·  All structures