s-net: sqc1733


 
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 16
Transitivity (vertex,edge)(4,6)
Vertex degrees {3,6,4,3}
Vertex coordination sequence [(3, 9, 25, 44, 62, 92, 134, 172, 210, 264), (6, 16, 28, 44, 70, 102, 134, 172, 220, 272), (4, 12, 24, 40, 68, 102, 134, 172, 220, 272), (3, 7, 20, 39, 59, 91, 134, 172, 210, 264)]
Wells’ vertex symbol [4^3, 4^4.6^6.8^5, 4^2.6^4, 4.6^2]
Systre key (3, 1, 1, -1, 0, 0, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 1, 5, 0, 0, 0, 2, 6, 0, 0, 0, 2, 7, 0, 0, 0, 2, 8, 0, 0, 0, 3, 4, 1, 0, 0, 3, 8, 0, 1, 0, 4, 8, 0, 1, 0, 5, 6, 0, 0, 1, 5, 7, 0, 0, 1, 5, 8, 0, 0, 0, 6, 7, 1, 0, 0, 8, 8, -1, 0, 0)

Geometric data

Systre equilibrium placement (barycentric embedding) maximising unit cell volume

Spacegroup: Pmmm

Parameters:

a b c alpha beta gamma
3.33356 1.36077 3.33486 90.0 90.0 90.0

Vertex positions:

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

Edge end points:

Systre coordinates favouring equal edge-lengths

Spacegroup: Pmmm

Parameters:

a b c alpha beta gamma
3.4238 1.17925 3.42576 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0 0.20193 0
0.2897 0 0
0.5 0 0.21068
0.5 0.20195 0.5

Edge end points:

Hyperbolic sources

h-nets with faithful topology

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h-nets with edge collapse