s-net: sqc76
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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) | (2,5) |
| Vertex degrees | {4,8} |
| Vertex coordination sequence | [(4, 12, 40, 108, 224, 388, 600, 860, 1168, 1524), (8, 32, 88, 188, 336, 532, 776, 1068, 1408, 1796)] |
| Wells’ vertex symbol | [4^4.6^2, 4^16.6^11.8] |
| Systre key | (3, 1, 1, -2, -1, 0, 1, 1, 0, -1, 0, 1, 1, 0, 0, -1, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 2, 3, 0, -1, 0, 2, 3, 1, 0, 0, 2, 3, 2, 1, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Pmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.23849 | 0.9628 | 1.66626 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.42857 | 0.5 | 0 |
| 0 | 0.5 | 0 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Pmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.4024 | 0.55699 | 1.1599 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.33003 | 0.5 | 0 |
| 0 | 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 |
|---|---|---|---|---|---|
 |
hqc603 | *22222 | (2,5,3) | {4,8} | {4.4.4.4}{4.4.4.4.4.4.4.4} |