s-net: sqc8290
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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 | 34 |
| Transitivity (vertex,edge) | (2,8) |
| Vertex degrees | {3,7} |
| Vertex coordination sequence | [(3, 10, 32, 66, 113, 170, 241, 322, 417, 522), (7, 23, 51, 91, 143, 207, 283, 371, 471, 583)] |
| Wells’ vertex symbol | [3.4^2, 3.4^12.5^2.6^6] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 2, 1, 0, 0, 1, 3, 0, 0, 0, 1, 3, 1, 0, 0, 1, 4, 0, 0, 0, 1, 5, 0, 0, 0, 1, 6, 0, 0, 0, 2, 7, 0, 0, 0, 2, 8, 0, 0, 0, 2, 8, 1, 0, 0, 2, 9, 0, 0, 0, 2, 10, 0, 0, 0, 3, 7, 0, 1, 0, 3, 8, 0, 0, 0, 3, 8, 1, 0, 0, 3, 10, 0, 1, 0, 3, 11, 0, 0, 0, 4, 5, 0, 0, 0, 4, 9, 1, 0, 0, 5, 7, 0, 0, 1, 5, 7, 1, 0, 1, 5, 8, 1, 0, 1, 5, 10, 0, 0, 0, 5, 10, 1, 0, 0, 6, 7, 0, 1, 1, 6, 7, 1, 1, 1, 6, 8, 1, 0, 1, 6, 10, 0, 1, 0, 6, 10, 1, 1, 0, 6, 12, 0, 0, 0, 7, 11, 0, -1, 0, 8, 12, -1, 0, -1, 9, 10, 0, 0, 0, 11, 12, -1, 0, -1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 3.78989 | 4.21652 | 1.70561 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.03846 | 0.38235 |
| 0.14286 | 0.07692 | 0.26471 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 3.34579 | 3.34579 | 1.4799 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.14597 | 0.57212 |
| 0.14946 | 0.10054 | 0.25 |
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 |
|---|---|---|---|---|---|
 |
hqc2438 | *222222 | (2,8,7) | {7,3} | {4.4.3.4.4.4.4}{3.4.4} |