s-net: sqc1355


 
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 14
Transitivity (vertex,edge)(3,4)
Vertex degrees {5,3,3}
Vertex coordination sequence [(5, 10, 18, 32, 49, 72, 105, 128, 154, 202), (3, 9, 17, 31, 51, 72, 93, 129, 165, 189), (3, 6, 18, 38, 51, 68, 99, 126, 156, 208)]
Wells’ vertex symbol [4^2.6^4.8^2.10^2, 4.8^2, 8.10^2]
Systre key (3, 1, 2, 0, 0, 0, 1, 2, 1, 0, 0, 1, 3, 0, 0, 0, 1, 3, 1, 0, 0, 1, 4, 0, 0, 0, 2, 5, 0, 0, 0, 3, 5, 0, 1, 0, 4, 6, 0, 0, 0, 4, 6, 1, 0, 0, 4, 7, 0, 0, 0, 4, 7, 1, 0, 0, 5, 8, 0, 0, 0, 6, 8, 0, 0, 1, 7, 8, 0, 1, 1)

Geometric data

Systre equilibrium placement (barycentric embedding) maximising unit cell volume

Spacegroup: Pmmm

Parameters:

a b c alpha beta gamma
1.53329 4.05639 2.65473 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0 0.35714 0
0.5 0.28571 0.16667
0.5 0.14286 0.5

Edge end points:

Systre coordinates favouring equal edge-lengths

Spacegroup: Pmmm

Parameters:

a b c alpha beta gamma
1.60628 3.81194 2.62736 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0 0.36883 0
0.5 0.27983 0.1864
0.5 0.13117 0.5

Edge end points:

Hyperbolic sources

h-nets with faithful topology

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h-nets with edge collapse