s-net: sqc3217
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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 | 20 |
| Transitivity (vertex,edge) | (3,6) |
| Vertex degrees | {8,4,4} |
| Vertex coordination sequence | [(8, 30, 72, 134, 220, 338, 498, 690, 914, 1170), (4, 17, 48, 106, 190, 300, 448, 630, 842, 1088), (4, 12, 34, 90, 192, 326, 490, 686, 914, 1174)] |
| Wells’ vertex symbol | [4^10.6^16.8^2, 4^3.6^3, 6^5.8] |
| Systre key | (3, 1, 1, -1, 0, 0, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 1, 4, 0, 1, 0, 1, 5, 0, 0, 0, 1, 6, 0, 0, 0, 2, 4, 0, 0, 1, 2, 6, 0, -1, 1, 2, 7, 0, 0, 0, 3, 4, 0, 0, 1, 3, 5, 0, 0, 1, 3, 8, 0, 0, 0, 4, 4, -1, 0, 0, 4, 5, 0, -1, 1, 4, 6, 0, -1, 1, 5, 8, -1, 0, -1, 6, 7, -1, 1, -1, 7, 8, 0, -1, 1, 7, 8, 0, 0, -1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 3.04965 | 2.72782 | 1.63069 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0.15 | 0.25 | 0.1 |
| 0.25 | 0.25 | 0.5 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.55046 | 2.57468 | 1.21575 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0.4065 | 0.25 | 0.2883 |
| 0.25 | 0.25 | 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 |
|---|---|---|---|---|---|
 |
hqc1444 | *222222 | (3,6,2) | {8,4,4} | {6.4.4.6.6.4.4.6}{6.6.4.4}{6.6.6.6} |