s-net: sqc3226


 
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 20
Transitivity (vertex,edge)(3,5)
Vertex degrees {4,8,4}
Vertex coordination sequence [(4, 14, 46, 92, 168, 268, 399, 537, 703, 883), (8, 20, 48, 114, 184, 302, 418, 566, 726, 910), (4, 12, 40, 88, 162, 256, 380, 510, 674, 850)]
Wells’ vertex symbol [3^2.4.7^2.8, 3^4.4^2.7^12.8^3.9^6.10, 3^4.4^2]
Systre key (3, 1, 1, -1, 0, 0, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 1, 5, 0, 0, 0, 1, 6, 0, 0, 0, 1, 7, 0, 0, 0, 2, 3, 0, 0, 0, 2, 4, 0, 1, 0, 2, 8, 0, 0, 0, 3, 4, 0, 0, 0, 3, 8, 0, 0, 0, 4, 8, 0, 0, 0, 5, 6, 0, 0, 0, 5, 7, -2, 1, 0, 5, 8, 0, 0, 1, 6, 7, 0, 0, 0, 6, 8, 0, 0, 1, 7, 8, 0, 0, 1, 8, 8, -1, 1, 0)

Geometric data

Systre equilibrium placement (barycentric embedding) maximising unit cell volume

Spacegroup: P4222

Parameters:

a b c alpha beta gamma
1.87899 1.87899 3.21645 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0.3 0.7 0.25
0.5 0.5 0
0.5 0.5 0.25

Edge end points:

Systre coordinates favouring equal edge-lengths

Spacegroup: P4222

Parameters:

a b c alpha beta gamma
1.34886 1.34886 4.13794 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0.21499 0.21499 0.75
0.5 0.5 0
0.5 0.5 0.25

Edge end points:

Hyperbolic sources

h-nets with faithful topology

1 record listed.
Image h-net name Orbifold symbol Transitivity (Vert,Edge,Face) Vertex Degree 2D Vertex Symbol
Net details hqc1513 *22222 (3,5,2) {4,8,4} {8.3.3.8}{8.8.3.3.8.8.3.3}{3.3.3.3}

h-nets with edge collapse

No items to display.