s-net: sqc821
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| Systre crystallographic geometry file (.cgd) |
Links to this net in other databases
| topcryst |
Topological data
| Vertices per primitive translational unit | 7 |
| Edges per primitive translational unit | 12 |
| Transitivity (vertex,edge) | (5,6) |
| Vertex degrees | {3,4,3,4,4} |
| Vertex coordination sequence | [(3, 5, 10, 21, 37, 70, 123, 219, 312, 440), (4, 10, 24, 46, 84, 162, 240, 350, 452, 586), (3, 6, 13, 26, 47, 88, 162, 237, 350, 452), (4, 12, 32, 78, 128, 202, 280, 382, 488, 618), (4, 12, 30, 62, 114, 182, 270, 362, 478, 598)] |
| Wells’ vertex symbol | [4.7^2, 7^4.8.10, 4.7^2, 6^4.8^2, 6.7.8^4] |
| Systre key | (3, 1, 1, -1, 0, 0, 1, 2, 0, 0, 0, 1, 2, 0, 1, 0, 2, 3, 0, 0, 0, 2, 3, 0, 0, 1, 3, 4, 0, 0, 0, 3, 5, 0, 0, 0, 4, 6, 0, 0, 0, 4, 7, 0, 0, 0, 5, 6, -1, 0, 0, 5, 7, -1, 0, 0, 6, 7, 0, 0, -1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Pmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.88528 | 2.17666 | 3.07942 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.25 | 0.5 |
| 0.5 | 0.5 | 0.5 |
| 0.16667 | 0.5 | 0.5 |
| 0.5 | 0 | 0 |
| 0.5 | 0 | 0.5 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Pmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 0.8957 | 2.21767 | 2.03621 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.20138 | 0.5 |
| 0.5 | 0.5 | 0.5 |
| 0.26276 | 0.5 | 0.5 |
| 0.5 | 0 | 0 |
| 0.5 | 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 |
|---|---|---|---|---|---|
 |
hqc2032 | *222222 | (5,6,2) | {4,4,4,3,3} | {10.10.10.10}{10.10.10.10}{10.10... |