s-net: sqc3887
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| Systre crystallographic geometry file (.cgd) |
Links to this net in other databases
| topcryst |
Topological data
| Vertices per primitive translational unit | 12 |
| Edges per primitive translational unit | 20 |
| Transitivity (vertex,edge) | (2,4) |
| Vertex degrees | {4,3} |
| Vertex coordination sequence | [(4, 10, 20, 32, 50, 76, 102, 128, 162, 204), (3, 6, 15, 32, 52, 72, 96, 130, 168, 200)] |
| Wells’ vertex symbol | [8^4.10.12, 4.8^2] |
| 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, 9, 0, 0, 0, 3, 10, 0, 0, 0, 4, 9, 1, 0, 0, 4, 10, 1, 0, 0, 5, 6, 0, 1, 0, 5, 11, 0, 0, 0, 5, 12, 0, 0, 0, 6, 9, 1, -1, -1, 6, 10, 0, 0, 1, 7, 11, 0, -1, -1, 7, 12, -1, 0, 1, 8, 11, 1, -1, -1, 8, 12, 0, 0, 1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: I4/mmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 3.23345 | 3.23345 | 5.28044 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.5 | 0.125 |
| 0 | 0.16667 | 0.125 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: I4/mmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 3.41421 | 3.41421 | 4.00001 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.5 | 0.125 |
| 0 | 0.20711 | 0.12435 |
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 |
|---|---|---|---|---|---|
 |
hqc138 | *2224 | (2,3,2) | {3,4} | {4.8.8}{8.8.8.8} |