s-net: sqc2807
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| Systre crystallographic geometry file (.cgd) |
Links to this net in other databases
| topcryst |
Topological data
| Vertices per primitive translational unit | 7 |
| Edges per primitive translational unit | 18 |
| Transitivity (vertex,edge) | (2,3) |
| Vertex degrees | {12,4} |
| Vertex coordination sequence | [(12, 24, 56, 102, 144, 212, 300, 366, 476, 600), (4, 24, 54, 92, 150, 212, 282, 380, 474, 578)] |
| Wells’ vertex symbol | [4^12.5^18.6^18.7^12.9^6, 4^4.5^2] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 2, 1, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 2, 3, -1, 1, -1, 2, 3, 0, 1, 0, 2, 4, 0, 0, 1, 2, 4, 0, 1, 0, 2, 5, 0, 0, 0, 2, 5, 1, 0, 0, 2, 6, -1, 0, -1, 2, 6, 0, 0, 0, 2, 7, 0, 0, 0, 2, 7, 0, 1, -1, 3, 7, 0, 0, 0, 4, 6, -1, 0, -1, 5, 6, -1, 1, -1, 5, 7, 0, 1, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: R-3m
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 3.04343 | 3.04343 | 2.24766 | 90.0 | 90.0 | 120.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0.22222 | 0.11111 | 0.38889 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: R-3m
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.88659 | 2.88659 | 2.2364 | 90.0 | 90.0 | 120.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0.26663 | 0.13332 | 0.33335 |
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 |
|---|---|---|---|---|---|
 |
hqc246 | *2626 | (2,2,3) | {4,12} | {6.6.4.6}{6.4.6.4.6.4.6.4.6.4.6.4} |