s-net: sqc860


 
Systre crystallographic geometry file (.cgd)

Links to this net in other databases

topcryst

Topological data

Vertices per primitive translational unit 4
Edges per primitive translational unit 12
Transitivity (vertex,edge)(2,4)
Vertex degrees {8,4}
Vertex coordination sequence [(8, 28, 64, 116, 184, 264, 362, 480, 602, 746), (4, 16, 46, 94, 156, 238, 332, 434, 570, 710)]
Wells’ vertex symbol [4^17.6^11, 4^4.6^2]
Systre key (3, 1, 1, -1, 1, 0, 1, 1, 0, -1, 0, 1, 2, -1, 0, 0, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 2, 2, -1, 1, 0, 2, 2, 0, -1, 0, 2, 3, -1, 2, 1, 2, 4, 0, 0, 1, 3, 4, 0, -1, 0, 3, 4, 1, -1, 0)

Geometric data

Systre equilibrium placement (barycentric embedding) maximising unit cell volume

Spacegroup: Cmma

Parameters:

a b c alpha beta gamma
1.80988 1.43127 2.47851 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0 0.25 0.16667
0.25 0.25 0.5

Edge end points:

Systre coordinates favouring equal edge-lengths

Spacegroup: Cmma

Parameters:

a b c alpha beta gamma
0.95955 1.84267 2.33241 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0 0.25 0.08365
0.25 0.25 0.5

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 hqc206 *22222 (2,4,2) {8,4} {4.4.4.4.4.4.4.4}{4.4.4.4}

h-nets with edge collapse

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