s-net: sqc3228
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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 | {4,8,4} |
| Vertex coordination sequence | [(4, 18, 54, 114, 192, 300, 432, 593, 772, 982), (8, 28, 70, 130, 226, 346, 486, 650, 846, 1054), (4, 20, 62, 134, 226, 346, 486, 654, 842, 1058)] |
| Wells’ vertex symbol | [4^2.5.6^2.7, 4^4.5^8.6^14.8^2, 5.6^4.8] |
| Systre key | (3, 1, 1, -1, 0, 0, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 1, 5, 0, 0, 0, 1, 6, 0, 0, 0, 1, 7, 0, 0, 0, 2, 4, -1, 0, 0, 2, 7, 0, 1, 0, 2, 8, 0, 0, 0, 3, 6, 0, 0, 1, 3, 6, 1, 1, 0, 3, 8, 1, 0, 0, 4, 5, 1, 0, 1, 4, 8, 2, 0, 0, 5, 7, -1, 0, 0, 5, 8, -1, -1, -1, 6, 8, 0, -1, -1, 7, 8, 1, -1, -1, 8, 8, -1, 0, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.92663 | 3.08373 | 1.33608 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.16667 | 0 | 0 |
| 0.25 | 0.25 | 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 |
|---|---|---|---|---|---|
| 2.49246 | 3.90729 | 1.03082 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.1527 | 0 | 0 |
| 0.25 | 0.25 | 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 |
|---|---|---|---|---|---|
 |
hqc1443 | *222222 | (3,6,2) | {4,8,4} | {6.4.4.6}{6.6.4.4.6.6.4.4}{6.6.6.6} |