s-net: sqc144
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| 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 | 8 |
| Transitivity (vertex,edge) | (3,4) |
| Vertex degrees | {3,4,6} |
| Vertex coordination sequence | [(3, 11, 22, 46, 102, 154, 222, 294, 384, 476), (4, 16, 36, 70, 116, 170, 236, 314, 400, 498), (6, 12, 28, 66, 104, 162, 224, 302, 384, 486)] |
| Wells’ vertex symbol | [4.5^2, 5.6^4.8, 4^2.5^4.6^3.7^4.8^2] |
| Systre key | (3, 1, 1, -1, 0, 0, 1, 2, 0, 0, 0, 1, 2, 0, 1, 0, 2, 3, 0, 0, 0, 2, 3, 0, 0, 1, 2, 4, 0, 0, 0, 2, 4, 0, 0, 1, 3, 4, 0, -1, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Pmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.68916 | 1.68916 | 1.68916 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0.25 |
| 0.5 | 0 | 0 |
| 0.5 | 0 | 0.5 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Pmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.7321 | 1.00019 | 1.99986 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0.25001 |
| 0.5 | 0 | 0 |
| 0.5 | 0 | 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 |
|---|---|---|---|---|---|
 |
hqc834 | *222222 | (3,4,2) | {4,6,3} | {12.12.12.12}{12.4.12.12.4.12}{1... |