s-net: sqc8982
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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 | 36 |
| Transitivity (vertex,edge) | (2,4) |
| Vertex degrees | {4,7} |
| Vertex coordination sequence | [(4, 14, 42, 74, 126, 186, 258, 342, 442, 546), (7, 21, 48, 89, 139, 202, 279, 365, 464, 577)] |
| Wells’ vertex symbol | [3^4.4^2, 3^4.4^6.5^4.6^7] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 1, 5, 0, 0, 0, 1, 6, 0, 0, 0, 1, 7, 0, 0, 0, 1, 8, 0, 0, 0, 2, 3, 1, 0, 0, 2, 4, 0, 0, 0, 2, 5, 1, 0, 0, 2, 6, 1, 0, 0, 2, 9, 0, 0, 0, 2, 10, 0, 0, 0, 3, 4, 0, 0, 0, 3, 5, 0, 0, 0, 3, 6, 1, 0, 0, 3, 7, 0, 1, 0, 3, 8, 0, 1, 0, 4, 6, 1, 0, 0, 5, 6, 0, 0, 0, 6, 9, 0, 0, 1, 6, 10, 0, 0, 1, 7, 8, 1, 0, 1, 7, 9, 1, -1, 1, 7, 10, 0, 0, 1, 7, 11, 0, 0, 0, 7, 12, 0, 0, 0, 8, 9, -1, -1, 0, 8, 10, 0, 0, 0, 8, 11, -1, 0, -1, 8, 12, -1, 0, -1, 9, 10, 0, 1, 0, 9, 11, -1, 1, -1, 9, 12, 0, 1, -1, 10, 11, -1, 0, -1, 10, 12, 0, 0, -1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: P42/nnm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 3.03274 | 3.03274 | 2.14511 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.25 | 0.25 | 0 |
| 0.25 | 0.125 | 0.25 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: P42/nnm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.80579 | 2.80579 | 1.76336 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.25 | 0.25 | 0 |
| 0.25 | 0.02776 | 0.25 |
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 |
|---|---|---|---|---|---|
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hqc952 | *2224 | (2,4,4) | {7,4} | {4.4.3.3.3.3.4}{3.3.3.3} |