s-net: sqc140
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| Systre crystallographic geometry file (.cgd) |
Links to this net in other databases
| topcryst |
Topological data
| Vertices per primitive translational unit | 3 |
| Edges per primitive translational unit | 8 |
| Transitivity (vertex,edge) | (3,4) |
| Vertex degrees | {4,8,4} |
| Vertex coordination sequence | [(4, 18, 52, 108, 180, 272, 380, 508, 652, 816), (8, 20, 46, 98, 170, 258, 366, 490, 634, 794), (4, 18, 36, 78, 154, 244, 350, 476, 618, 780)] |
| Wells’ vertex symbol | [4.6^4.8, 3^4.4^8.5^8.6^8, 3^2.4^2.5^2] |
| Systre key | (3, 1, 1, -1, 0, 0, 1, 2, 0, 0, 0, 1, 2, 0, 1, 0, 2, 2, 0, 0, -1, 2, 3, 0, 0, -1, 2, 3, 0, 0, 0, 2, 3, 0, 1, -1, 2, 3, 0, 1, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Pmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.20769 | 1.70862 | 1.39437 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0 | 0 | 0.5 |
| 0.5 | 0 | 0 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Pmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 0.96771 | 1.00636 | 1.85011 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0 | 0 | 0.5 |
| 0.5 | 0 | 0 |
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 |
|---|---|---|---|---|---|
 |
hqc820 | *222222 | (3,4,2) | {8,4,4} | {3.10.10.3.3.10.10.3}{3.10.3.10}... |