s-net: sqc3166
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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) | (2,5) |
| Vertex degrees | {3,7} |
| Vertex coordination sequence | [(3, 11, 47, 130, 246, 392, 550, 738, 968, 1194), (7, 27, 72, 157, 273, 408, 575, 769, 976, 1225)] |
| Wells’ vertex symbol | [4^3, 4^7.6^9.8^5] |
| Systre key | (3, 1, 1, -1, 0, 0, 1, 2, 0, 0, 0, 1, 2, 0, 1, 0, 1, 2, 0, 2, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 2, 2, -1, -2, 0, 2, 5, 0, 0, 0, 2, 6, 0, 0, 0, 3, 4, 1, 0, 0, 3, 7, 0, 0, 0, 4, 7, 0, 0, 0, 5, 6, 1, 2, 0, 5, 8, 0, 0, 0, 6, 8, 0, 0, 0, 7, 7, -1, 0, 0, 7, 8, -2, -2, 1, 7, 8, -1, -1, 1, 7, 8, 0, 0, 1, 8, 8, -1, -2, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: P4222
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.0118 | 1.0118 | 4.37062 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.25 | 0.25 | 0.25 |
| 0.5 | 0.5 | 0.0625 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: P4222
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 0.68249 | 0.68249 | 3.60585 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.45983 | 0.45983 | 0.25 |
| 0.5 | 0.5 | 0.11658 |
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 |
|---|---|---|---|---|---|
 |
hqc1308 | *22222 | (2,5,4) | {7,3} | {4.4.4.4.4.4.4}{4.4.4} |