s-net: sqc3173


 
Systre crystallographic geometry file (.cgd)

Links to this net in other databases

topcryst

Topological data

Vertices per primitive translational unit 6
Edges per primitive translational unit 20
Transitivity (vertex,edge)(2,6)
Vertex degrees {6,8}
Vertex coordination sequence [(6, 18, 50, 104, 162, 254, 344, 438, 602, 716), (8, 30, 66, 116, 190, 264, 366, 490, 598, 758)]
Wells’ vertex symbol [3^4.4^7.5^3.6, 3^4.4^10.5^9.6^5]
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, 1, 6, 0, 0, 0, 2, 2, -1, 0, 0, 2, 3, -1, 0, 1, 2, 4, 0, 0, 1, 2, 5, -1, 0, 1, 2, 6, 0, 0, 1, 3, 4, 0, 0, 0, 3, 4, 1, 0, 0, 3, 5, 0, -1, 0, 3, 5, 0, 0, 0, 4, 6, 0, -1, 0, 4, 6, 0, 0, 0, 5, 6, 0, 0, 0, 5, 6, 1, 0, 0)

Geometric data

Systre equilibrium placement (barycentric embedding) maximising unit cell volume

Spacegroup: Imma

Parameters:

a b c alpha beta gamma
1.45808 2.01528 5.45654 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0.25 0.58333 0.25
0 0.75 0.125

Edge end points:

Systre coordinates favouring equal edge-lengths

Spacegroup: Imma

Parameters:

a b c alpha beta gamma
1.24998 2.14022 3.67295 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0.25 1E-05 0.25
0 0.75 0.01199

Edge end points:

Hyperbolic sources

h-nets with faithful topology

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h-nets with edge collapse