s-net: sqc2468


 
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 18
Transitivity (vertex,edge)(2,4)
Vertex degrees {6,3}
Vertex coordination sequence [(6, 15, 26, 44, 70, 99, 132, 171, 218, 272), (3, 10, 25, 42, 65, 98, 133, 170, 215, 268)]
Wells’ vertex symbol [3^2.4^5.5^6.6^2, 3.8^2]
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, 3, 0, 0, 0, 2, 6, 0, 0, 0, 3, 3, -1, 0, 0, 3, 7, 0, 0, 0, 3, 8, 0, 0, 0, 4, 5, 0, 0, 0, 4, 7, 0, 1, 0, 5, 5, -1, 0, 0, 5, 6, 0, 0, 1, 5, 8, 0, 0, 0, 6, 8, 0, 0, -1, 7, 8, 0, 0, 0, 8, 8, -1, 0, 0)

Geometric data

Systre equilibrium placement (barycentric embedding) maximising unit cell volume

Spacegroup: P4/mmm

Parameters:

a b c alpha beta gamma
3.96042 3.96042 1.29643 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0.42857 0.42857 0
0.21429 0.5 0

Edge end points:

Systre coordinates favouring equal edge-lengths

Spacegroup: P4/mmm

Parameters:

a b c alpha beta gamma
3.73205 3.73205 1.00001 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0.36603 0.36603 0
0.13398 0.5 0

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 hqc987 *22222 (2,5,3) {6,3} {4.3.8.8.3.4}{3.8.8}

h-nets with edge collapse

No items to display.