s-net: sqc993
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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 | 13 |
| Transitivity (vertex,edge) | (2,7) |
| Vertex degrees | {3,10} |
| Vertex coordination sequence | [(3, 14, 49, 110, 194, 302, 434, 590, 770, 974), (10, 38, 90, 166, 266, 390, 538, 710, 906, 1126)] |
| Wells’ vertex symbol | [3.4^2, 3^8.4^22.5^13.6^2] |
| Systre key | (3, 1, 1, -1, 0, 0, 1, 1, 0, -1, 0, 1, 2, -2, 0, 1, 1, 2, -1, 0, 1, 1, 2, 0, 0, 0, 1, 2, 0, 0, 1, 1, 3, -1, 0, 0, 1, 3, 0, 0, 0, 2, 2, -1, 0, 0, 2, 2, 0, -1, 0, 2, 4, -1, 0, 0, 2, 4, 0, 0, 0, 3, 4, -1, 0, 1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Pmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.66427 | 1.05216 | 2.66874 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0.05556 |
| 0 | 0.5 | 0.11111 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Pmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.02447 | 0.9011 | 1.75293 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0.30372 |
| 0 | 0.5 | 0.20777 |
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 |
|---|---|---|---|---|---|
 |
hqc2187 | *222222 | (2,7,5) | {10,3} | {4.4.4.3.4.4.3.4.4.4}{4.4.3} |