s-net: sqc2532


 
Systre crystallographic geometry file (.cgd)

Links to this net in other databases

topcryst

Topological data

Vertices per primitive translational unit 5
Edges per primitive translational unit 18
Transitivity (vertex,edge)(3,3)
Vertex degrees {12,12,4}
Vertex coordination sequence [(12, 42, 92, 162, 252, 362, 492, 642, 812, 1002), (12, 42, 92, 162, 252, 362, 492, 642, 812, 1002), (4, 32, 80, 162, 224, 386, 432, 706, 704, 1122)]
Wells’ vertex symbol [3^12.4^18.5^24.6^12, 3^12.4^18.5^24.6^12, 3^4.4^2]
Systre key (3, 1, 2, -1, 1, 1, 1, 2, 0, 0, 0, 1, 2, 0, 0, 1, 1, 2, 0, 1, 0, 1, 2, 0, 1, 1, 1, 2, 1, 0, 0, 1, 3, 0, 0, 0, 1, 3, 0, 1, 0, 1, 4, 0, 0, 0, 1, 4, 1, 0, 0, 1, 5, -1, 1, 0, 1, 5, 0, 0, 0, 2, 3, 0, 0, -1, 2, 3, 0, 0, 0, 2, 4, 0, 0, 0, 2, 4, 1, -1, -1, 2, 5, -1, 0, 0, 2, 5, 0, 0, -1)

Geometric data

Systre equilibrium placement (barycentric embedding) maximising unit cell volume

Spacegroup: R-3m

Parameters:

a b c alpha beta gamma
1.75736 1.75736 4.30463 90.0 90.0 120.0

Vertex positions:

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

Edge end points:

Systre coordinates favouring equal edge-lengths

Spacegroup: R-3m

Parameters:

a b c alpha beta gamma
1.75735 1.75735 4.30469 90.0 90.0 120.0

Vertex positions:

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

Edge end points:

Hyperbolic sources

h-nets with faithful topology

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h-nets with edge collapse