s-net: sqc2404
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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) | (2,7) |
| Vertex degrees | {6,3} |
| Vertex coordination sequence | [(6, 18, 38, 66, 102, 146, 198, 258, 326, 402), (3, 7, 21, 49, 86, 130, 182, 242, 310, 386)] |
| Wells’ vertex symbol | [4^9.6^5.8, 4^2.6] |
| Systre key | (3, 1, 1, -1, 0, 0, 1, 2, 0, 0, 0, 1, 2, 0, 1, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 2, 2, -1, 0, 0, 2, 5, 0, 0, 0, 2, 6, 0, 0, 0, 3, 3, -1, 0, 0, 3, 6, 0, 0, 0, 3, 6, 0, 1, 0, 3, 7, 0, 0, 0, 4, 5, 0, 1, 0, 4, 8, 0, 0, 0, 5, 7, 0, 0, 1, 6, 6, -1, 0, 0, 6, 8, 0, -1, -1, 7, 8, 0, -1, -1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Cmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.3696 | 7.18218 | 1.27024 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.225 | 0.1875 | 0 |
| 0.075 | 0.0625 | 0 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Cmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.00011 | 7.99983 | 1.00004 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.25 | 0.1875 | 0 |
| 0.24996 | 0.0625 | 0 |
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 |
|---|---|---|---|---|---|
 |
hqc2448 | *222222 | (2,8,7) | {6,3} | {4.8.4.4.4.4}{4.4.8} |