s-net: sqc3700
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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 | 20 |
| Transitivity (vertex,edge) | (4,5) |
| Vertex degrees | {3,4,3,4} |
| Vertex coordination sequence | [(3, 7, 14, 26, 47, 77, 96, 131, 155, 204), (4, 10, 14, 26, 46, 78, 104, 128, 162, 192), (3, 7, 16, 30, 50, 75, 99, 128, 169, 203), (4, 10, 22, 40, 54, 70, 96, 138, 168, 210)] |
| Wells’ vertex symbol | [5^2.8, 5^4.8^2, 5.8^2, 8^5.12] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 2, 1, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 2, 5, 0, 0, 0, 2, 6, 0, 0, 0, 3, 7, 0, 0, 0, 3, 8, 0, 0, 0, 4, 7, 1, 1, 0, 4, 8, 0, 1, 0, 5, 9, 0, 0, 0, 5, 10, 0, 0, 0, 6, 9, 1, 1, 0, 6, 10, 0, 1, 0, 7, 11, 0, 0, 0, 8, 12, 0, 0, 0, 9, 12, 0, 0, 1, 10, 11, 1, 0, 1, 11, 12, -1, 0, 0, 11, 12, 0, 0, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 6.48681 | 2.16117 | 4.5874 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.25 | 0 | 0.16667 |
| 0.25 | 0 | 0 |
| 0.33333 | 0.25 | 0.25 |
| 0 | 0.25 | 0.58333 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 6.01577 | 1.99907 | 4.25001 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.25 | 0 | 0.23529 |
| 0.25 | 0 | 0 |
| 0.36864 | 0.25 | 0.35077 |
| 0 | 0.25 | 0.50504 |
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 |
|---|---|---|---|---|---|
 |
hqc1490 | *22222 | (4,5,2) | {4,3,3,4} | {5.5.5.5}{5.10.5}{5.10.10}{10.10... |