s-net: sqc2486


 
Systre crystallographic geometry file (.cgd)

Links to this net in other databases

topcryst

Topological data

Vertices per primitive translational unit 8
Edges per primitive translational unit 18
Transitivity (vertex,edge)(2,4)
Vertex degrees {5,4}
Vertex coordination sequence [(5, 12, 22, 37, 56, 79, 108, 140, 175, 216), (4, 10, 20, 33, 52, 77, 104, 136, 172, 211)]
Wells’ vertex symbol [4^6.6^4, 4^4.6^2]
Systre key (3, 1, 1, -1, 0, 0, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 2, 2, -1, 0, 0, 2, 5, 0, 0, 0, 3, 3, -1, 0, 0, 3, 6, 0, 0, 0, 4, 4, -1, 0, 0, 4, 7, 0, 0, 0, 4, 8, 0, 0, 0, 5, 5, -1, 0, 0, 5, 6, 0, 1, 0, 5, 7, 0, 0, 1, 6, 6, -1, 0, 0, 6, 8, 0, 0, 1, 7, 7, -1, 0, 0, 8, 8, -1, 0, 0)

Geometric data

Systre equilibrium placement (barycentric embedding) maximising unit cell volume

Spacegroup: P4/mmm

Parameters:

a b c alpha beta gamma
4.30081 4.30081 0.87789 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0.16667 0.5 0
0.33333 0.33333 0

Edge end points:

Systre coordinates favouring equal edge-lengths

Spacegroup: P4/mmm

Parameters:

a b c alpha beta gamma
3.82844 3.82844 1.0 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0.1306 0.5 0
0.31537 0.31537 0

Edge end points:

Hyperbolic sources

h-nets with faithful topology

No items to display.

h-nets with edge collapse