s-net: sqc8981
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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 | {7,4} |
| Vertex coordination sequence | [(7, 20, 44, 78, 117, 170, 233, 298, 380, 472), (4, 16, 38, 74, 120, 156, 232, 306, 358, 474)] |
| Wells’ vertex symbol | [3^4.4^6.5^6.6^5, 3^4.4^2] |
| 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, 0, 1, 0, 2, 4, 1, 0, 0, 2, 7, -1, 1, 1, 2, 8, 0, 0, 1, 2, 9, 0, 0, 0, 2, 10, 0, 0, 0, 3, 5, 0, 0, 0, 3, 8, 0, 0, 1, 3, 10, 0, -1, 0, 3, 11, 0, 0, 0, 3, 12, 0, 0, 0, 4, 6, 0, 0, 0, 4, 7, -1, 1, 1, 4, 9, -1, 0, 0, 4, 11, 0, 0, 0, 4, 12, -1, 1, 0, 5, 7, 0, 0, 0, 5, 12, 0, 0, 0, 6, 8, 0, 0, 0, 6, 12, -1, 1, 0, 7, 10, 1, -1, -1, 7, 11, 1, 0, -1, 7, 12, 0, 0, 0, 8, 9, 0, 0, -1, 8, 11, 1, 0, -1, 8, 12, -1, 1, 0, 9, 11, 1, 0, 0, 10, 11, 0, 1, 0, 11, 12, -1, 1, 1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: I4/mmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.91388 | 2.91388 | 4.12085 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.25 | 0.3125 |
| 0.25 | 0.25 | 0.25 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: I4/mmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 3.03403 | 3.03403 | 3.36255 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.27102 | 0.34253 |
| 0.25 | 0.25 | 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 |
|---|---|---|---|---|---|
 |
hqc981 | *2224 | (2,4,4) | {7,4} | {4.3.3.4.3.3.4}{3.3.3.3} |