s-net: sqc9298


 
Systre crystallographic geometry file (.cgd)

Links to this net in other databases

topcryst

Topological data

Vertices per primitive translational unit 20
Edges per primitive translational unit 38
Transitivity (vertex,edge)(4,5)
Vertex degrees {3,4,4,4}
Vertex coordination sequence [(3, 8, 16, 29, 40, 55, 78, 109, 144, 163), (4, 10, 19, 27, 42, 59, 84, 112, 136, 170), (4, 10, 16, 27, 42, 60, 80, 107, 142, 160), (4, 11, 20, 25, 38, 66, 88, 111, 132, 165)]
Wells’ vertex symbol [5^2.8, 4.5^4.8, 4^2.5^2.7^2, 4.5^4.8]
Systre key (3, 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, 8, 0, 0, 0, 3, 9, 0, 0, 0, 3, 10, 0, 0, 0, 4, 8, 1, 0, 0, 4, 11, 0, 0, 0, 4, 12, 0, 0, 0, 5, 13, 0, 0, 0, 5, 14, 0, 0, 0, 6, 11, -1, 0, 0, 6, 15, 0, 0, 0, 6, 16, 0, 0, 0, 7, 11, 0, 0, 0, 7, 16, 0, 0, 0, 7, 17, 0, 0, 0, 8, 13, 0, 0, 0, 9, 12, -1, 0, 0, 9, 15, 0, 1, 0, 9, 18, 0, 0, 0, 10, 12, 0, 0, 0, 10, 17, 0, 1, 0, 10, 18, 0, 0, 0, 11, 19, 0, 0, 0, 12, 19, 0, 0, 0, 13, 20, 0, 0, 0, 14, 16, 0, 0, 1, 14, 18, 0, 0, 1, 14, 19, 0, 0, 1, 15, 17, 0, 0, 0, 16, 20, 0, 0, -1, 18, 20, 0, 0, -1, 19, 20, 1, 0, -1)

Geometric data

Systre equilibrium placement (barycentric embedding) maximising unit cell volume

Spacegroup: P4/mmm

Parameters:

a b c alpha beta gamma
4.80994 4.80994 3.11662 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0 0.5 0.42857
0 0.2 0.35714
0.1 0.1 0.5
0 0.1 0

Edge end points:

Systre coordinates favouring equal edge-lengths

Spacegroup: P4/mmm

Parameters:

a b c alpha beta gamma
4.29664 4.29664 2.95258 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0 0.5 0.33066
0 0.26801 0.3034
0.13431 0.13431 0.5
0 0.16457 0

Edge end points:

Hyperbolic sources

h-nets with faithful topology

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h-nets with edge collapse