s-net: sqc1642
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| Systre crystallographic geometry file (.cgd) |
Links to this net in other databases
| topcryst |
Topological data
| Vertices per primitive translational unit | 6 |
| Edges per primitive translational unit | 16 |
| Transitivity (vertex,edge) | (3,4) |
| Vertex degrees | {4,12,4} |
| Vertex coordination sequence | [(4, 20, 67, 147, 252, 380, 532, 708, 908, 1132), (12, 44, 100, 180, 284, 412, 564, 740, 940, 1164), (4, 6, 20, 64, 144, 252, 380, 532, 708, 908)] |
| Wells’ vertex symbol | [4^5.6, 4^24.6^30.8^12, 4^6] |
| Systre key | (3, 1, 1, -1, 0, 0, 1, 1, 0, 0, -1, 1, 2, 0, 0, 0, 1, 2, 0, 1, 0, 1, 3, 0, 0, 0, 1, 3, 0, 1, 0, 1, 4, 0, 0, 0, 1, 4, 0, 1, 0, 1, 5, 0, 0, 0, 1, 5, 0, 1, 0, 2, 5, 1, 0, 0, 2, 6, 0, 0, 0, 3, 4, 0, 0, 1, 3, 6, 0, 0, 0, 4, 6, 0, 0, 0, 5, 6, 0, 0, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: P4/mmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.02052 | 2.02052 | 1.80697 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.3 | 0.5 | 0 |
| 0.5 | 0.5 | 0.5 |
| 0.5 | 0.5 | 0 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: P4/mmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.35394 | 1.35394 | 1.27773 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.16322 | 0.5 | 0 |
| 0.5 | 0.5 | 0.5 |
| 0.5 | 0.5 | 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 |
|---|---|---|---|---|---|
 |
hqc840 | *2244 | (3,4,2) | {12,4,4} | {4.4.4.4.4.4.4.4.4.4.4.4}{4.4.4.... |