s-net: sqc2912
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| 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) | (3,5) |
| Vertex degrees | {8,4,3} |
| Vertex coordination sequence | [(8, 20, 46, 102, 148, 208, 318, 392, 484, 656), (4, 20, 54, 84, 150, 234, 276, 398, 538, 576), (3, 13, 34, 71, 141, 181, 269, 397, 437, 585)] |
| Wells’ vertex symbol | [3^4.4^2.6^12.7^8.8^2, 6^5.8, 3.6^2] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 1, 3, 1, 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, 0, 0, 2, 6, 0, 1, 0, 3, 4, -1, 0, 0, 3, 5, 0, 0, 0, 3, 6, -1, 0, 0, 3, 7, -1, -2, 1, 3, 8, 0, 0, 1, 4, 5, 1, 1, 0, 7, 8, 0, 1, 0, 7, 8, 1, 1, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 3.59984 | 2.07766 | 2.84491 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.25 | 0.4 |
| 0.25 | 0.25 | 0 |
| 0.125 | 0 | 0.5 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 4.59926 | 2.0404 | 0.61191 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.25 | 0.08877 |
| 0.25 | 0.25 | 0 |
| 0.15847 | 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 |
|---|---|---|---|---|---|
 |
hqc1112 | *22222 | (3,5,2) | {3,8,4} | {6.3.6}{6.6.3.3.6.6.3.3}{6.6.6.6} |