s-net: sqc4276


 
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 22
Transitivity (vertex,edge)(2,6)
Vertex degrees {6,5}
Vertex coordination sequence [(6, 20, 43, 78, 122, 178, 243, 318, 403, 498), (5, 16, 39, 74, 119, 174, 239, 314, 399, 494)]
Wells’ vertex symbol [3^2.4^4.5^4.6^5, 3.4^4.5^2.6^3]
Systre key (3, 1, 2, 0, 0, 0, 1, 2, 0, 1, 0, 1, 2, 1, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 1, 5, 0, 0, 0, 2, 3, -1, 0, 0, 2, 5, 0, -1, 0, 2, 6, 0, 0, 0, 3, 5, 0, -1, 0, 3, 5, 1, 0, 0, 3, 7, 0, 0, 0, 4, 6, 0, 1, 0, 4, 6, 1, 0, 0, 4, 6, 1, 1, 0, 4, 7, 0, 0, 1, 4, 8, 0, 0, 0, 5, 8, 0, 0, -1, 6, 7, -1, 0, 1, 6, 8, 0, -1, 0, 7, 8, 0, -1, -1, 7, 8, 1, 0, -1)

Geometric data

Systre equilibrium placement (barycentric embedding) maximising unit cell volume

Spacegroup: Cmma

Parameters:

a b c alpha beta gamma
2.24046 2.3186 3.36032 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0 0.45 0.33333
0.25 0 0.16667

Edge end points:

Systre coordinates favouring equal edge-lengths

Spacegroup: Cmma

Parameters:

a b c alpha beta gamma
2.00012 2.00016 3.73193 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0 0.49995 0.36602
0.25 0 0.13398

Edge end points:

Hyperbolic sources

h-nets with faithful topology

1 record listed.
Image h-net name Orbifold symbol Transitivity (Vert,Edge,Face) Vertex Degree 2D Vertex Symbol
Net details hqc1690 *22222 (2,6,4) {6,5} {4.3.4.4.3.4}{3.4.4.4.4}

h-nets with edge collapse

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