s-net: sqc4301
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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 | 22 |
| Transitivity (vertex,edge) | (4,5) |
| Vertex degrees | {8,6,4,4} |
| Vertex coordination sequence | [(8, 34, 92, 194, 318, 492, 670, 916, 1150, 1468), (6, 28, 86, 178, 314, 458, 666, 866, 1146, 1402), (4, 16, 52, 126, 242, 386, 568, 770, 1020, 1282), (4, 12, 48, 122, 228, 388, 538, 776, 974, 1292)] |
| Wells’ vertex symbol | [4^6.5^8.6^5.7^8.8, 4^6.5^2.6^6.8, 4^4.5.6, 4^4.5^2] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 2, 0, 1, 1, 1, 3, 0, 0, 0, 1, 3, 0, 0, 1, 1, 4, 0, 0, 0, 1, 4, 0, 1, 0, 1, 5, 0, 0, 0, 1, 5, 1, 0, 0, 2, 3, -1, 0, 0, 2, 3, 1, -1, 0, 2, 4, -1, 0, -1, 2, 4, 1, 0, 0, 2, 6, 0, 0, 0, 2, 6, 1, 0, 0, 3, 7, 0, 0, 0, 3, 8, 0, 0, 0, 4, 7, 1, -1, 1, 4, 8, -1, 0, 0, 5, 7, 0, 0, 1, 5, 8, -1, 0, 0, 6, 7, 0, -1, 0, 6, 8, -1, 0, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.51617 | 3.24779 | 1.62341 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0.25 | 0.25 | 0.5 |
| 0 | 0 | 0.5 |
| 0.25 | 0 | 0.5 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.48557 | 3.26767 | 1.63362 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0.25 | 0.25 | 0.5 |
| 0 | 0 | 0.5 |
| 0.25 | 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 |
|---|---|---|---|---|---|
 |
hqc1830 | *222222 | (4,5,2) | {8,6,4,4} | {6.4.4.6.6.4.4.6}{6.4.4.6.4.4}{4... |