s-net: sqc3183


 
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)(2,6)
Vertex degrees {3,7}
Vertex coordination sequence [(3, 11, 38, 78, 124, 186, 256, 338, 430, 540), (7, 22, 48, 86, 138, 200, 272, 357, 456, 563)]
Wells’ vertex symbol [3.7^2, 3^2.4^9.5^6.6^2.7^2]
Systre key (3, 1, 1, -1, 0, 0, 1, 2, 0, 0, 0, 1, 2, 0, 1, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 1, 5, 0, 0, 0, 2, 2, -1, 0, 0, 2, 3, 0, -1, 0, 2, 4, 0, -1, 0, 2, 6, 0, 0, 0, 3, 7, 0, 0, 0, 4, 8, 0, 0, 0, 5, 5, -1, 0, 0, 5, 6, 0, 0, 0, 5, 6, 0, 1, 0, 5, 7, -1, 0, 1, 5, 8, 0, 0, 1, 6, 6, -1, 0, 0, 6, 7, -1, 0, 1, 6, 8, 0, 0, 1)

Geometric data

Systre equilibrium placement (barycentric embedding) maximising unit cell volume

Spacegroup: Imma

Parameters:

a b c alpha beta gamma
1.29798 2.28289 6.55768 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0.125 0.25 0.66667
0 0.0625 0.58333

Edge end points:

Systre coordinates favouring equal edge-lengths

Spacegroup: Imma

Parameters:

a b c alpha beta gamma
0.99391 1.96282 5.99848 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0.24198 0.25 0.72458
0 0.00057 0.58401

Edge end points:

Hyperbolic sources

h-nets with faithful topology

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h-nets with edge collapse