s-net: sqc2179


 
Systre crystallographic geometry file (.cgd)

Other names

RCSR name dft
Keywords zeolite, sphere packing
Fisher-Koch-Sowa symbol 4/4/t4

Links to this net in other databases

RCSR topcryst

Topological data

Vertices per primitive translational unit 8
Edges per primitive translational unit 16
Transitivity (vertex,edge)(1,3)
Vertex degrees {4}
Vertex coordination sequence [(4, 10, 21, 36, 55, 79, 106, 138, 175, 215)]
Wells’ vertex symbol [4^2.6^2.8^2]
Systre key (3, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 1, 5, 0, 0, 0, 2, 3, 1, 0, 0, 2, 4, 1, 0, 0, 2, 6, 0, 0, 0, 3, 4, 0, 1, 0, 3, 7, 0, 0, 0, 4, 8, 0, 0, 0, 5, 6, 0, 0, 0, 5, 7, 0, 0, 1, 5, 8, 0, 0, 1, 6, 7, 1, 0, 1, 6, 8, 1, 0, 1, 7, 8, 0, 1, 0)

Geometric data

Systre equilibrium placement (barycentric embedding) maximising unit cell volume

Spacegroup: P42/mmc

Parameters:

a b c alpha beta gamma
2.31918 2.31918 2.84041 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0.25 0.5 0.16667

Edge end points:

Systre coordinates favouring equal edge-lengths

Spacegroup: P42/mmc

Parameters:

a b c alpha beta gamma
2.24496 2.24496 2.94878 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0.22272 0.5 0.16956

Edge end points:

Hyperbolic sources

h-nets with faithful topology

No items to display.

h-nets with edge collapse