s-net: sqc9726


 
Systre crystallographic geometry file (.cgd)

Links to this net in other databases

topcryst

Topological data

Vertices per primitive translational unit 18
Edges per primitive translational unit 40
Transitivity (vertex,edge)(2,4)
Vertex degrees {8,4}
Vertex coordination sequence [(8, 16, 32, 64, 116, 136, 188, 280, 334, 388), (4, 13, 33, 57, 91, 145, 193, 243, 326, 410)]
Wells’ vertex symbol [3^4.6^8.7^8.8^4.9^4, 3.4.6^2.7^2]
Systre key (3, 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, 1, 8, 0, 0, 0, 1, 9, 0, 0, 0, 2, 3, 0, 0, 0, 2, 6, 1, 0, 0, 2, 10, 0, 0, 0, 3, 7, 0, 1, 0, 3, 11, 0, 0, 0, 4, 7, 0, 0, 0, 4, 8, 1, 0, 0, 4, 12, 0, 0, 0, 5, 6, 0, 0, 0, 5, 9, 0, 1, 0, 5, 13, 0, 0, 0, 6, 14, 0, 0, 0, 7, 15, 0, 0, 0, 8, 9, 0, 0, 0, 8, 16, 0, 0, 0, 9, 17, 0, 0, 0, 10, 14, 1, 0, 0, 10, 17, 0, 0, 1, 10, 18, 0, 0, 0, 11, 15, 0, 1, 0, 11, 16, 1, 1, -1, 11, 18, 1, 0, -1, 12, 13, 0, -1, 1, 12, 16, 1, 0, 0, 12, 18, 0, -1, 0, 13, 17, 0, 1, 0, 13, 18, 0, 0, -1, 14, 15, -1, 0, 1, 14, 18, 0, 0, 0, 15, 18, 1, 0, -1, 16, 18, 0, -1, 0, 17, 18, 0, 0, -1)

Geometric data

Systre equilibrium placement (barycentric embedding) maximising unit cell volume

Spacegroup: I41/amd

Parameters:

a b c alpha beta gamma
2.73888 2.73888 6.71253 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0 0.25 0.375
0.2 0.05 0.075

Edge end points:

Systre coordinates favouring equal edge-lengths

Spacegroup: I41/amd

Parameters:

a b c alpha beta gamma
2.5623 2.5623 7.19146 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0 0.25 0.375
0.19514 0.07686 0.06391

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 hqc1297 *2244 (2,4,4) {4,8} {4.6.3.8}{3.6.3.6.3.6.3.6}

h-nets with edge collapse

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