s-net: sqc259


 
Systre crystallographic geometry file (.cgd)

Links to this net in other databases

topcryst

Topological data

Vertices per primitive translational unit 4
Edges per primitive translational unit 9
Transitivity (vertex,edge)(3,5)
Vertex degrees {3,8,4}
Vertex coordination sequence [(3, 13, 29, 60, 94, 140, 190, 252, 318, 396), (8, 18, 40, 66, 104, 146, 200, 258, 328, 402), (4, 16, 32, 62, 96, 142, 192, 254, 320, 398)]
Wells’ vertex symbol [4^3, 4^10.6^16.8^2, 4^4.6^2]
Systre key (3, 1, 1, -1, 0, 0, 1, 2, 0, 0, 0, 1, 2, 0, 1, 0, 1, 3, 0, 0, 0, 1, 3, 0, 0, 1, 1, 4, 0, 0, 0, 1, 4, 0, 1, 0, 2, 4, 1, 0, 0, 3, 3, -1, 0, 0)

Geometric data

Systre equilibrium placement (barycentric embedding) maximising unit cell volume

Spacegroup: Pmmm

Parameters:

a b c alpha beta gamma
2.4979 1.76817 1.11737 90.0 90.0 90.0

Vertex positions:

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

Edge end points:

Systre coordinates favouring equal edge-lengths

Spacegroup: Pmmm

Parameters:

a b c alpha beta gamma
1.98897 0.95902 0.96078 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0 0 0.46888
0 0.5 0.5
0.5 0.5 0.5

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 hqc1132 *222222 (3,5,2) {4,8,3} {10.10.10.10}{10.4.4.10.10.4.4.1...

h-nets with edge collapse

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