s-net: sqc1638
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| Systre crystallographic geometry file (.cgd) |
Links to this net in other databases
| topcryst |
Topological data
| Vertices per primitive translational unit | 9 |
| Edges per primitive translational unit | 16 |
| Transitivity (vertex,edge) | (3,4) |
| Vertex degrees | {3,3,8} |
| Vertex coordination sequence | [(3, 6, 20, 61, 136, 235, 356, 486, 639, 810), (3, 11, 34, 79, 151, 246, 361, 497, 641, 810), (8, 32, 76, 140, 218, 312, 432, 564, 720, 874)] |
| Wells’ vertex symbol | [5.8^2, 5^2.8, 4^4.5^8.6^2.7^8.8^6] |
| Systre key | (3, 1, 1, -1, 0, 0, 1, 1, 0, -1, 0, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 1, 5, 0, 0, 0, 2, 6, 0, 0, 0, 2, 7, 0, 0, 0, 3, 6, -1, 0, 0, 3, 7, 0, -1, 0, 4, 8, 0, 0, 0, 4, 9, 0, 0, 0, 5, 8, -1, 0, 0, 5, 9, 0, 1, 0, 6, 8, 0, 0, 1, 7, 9, 0, 1, 1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: P-42m
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.89027 | 1.89027 | 3.45182 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.5 | 0.375 |
| 0.33333 | 0.33333 | 0.25 |
| 0.5 | 0.5 | 0 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: P-42m
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.0027 | 1.0027 | 4.79465 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.5 | 0.39575 |
| 0.32837 | 0.32837 | 0.20219 |
| 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 |
|---|---|---|---|---|---|
 |
hqc811 | *2244 | (3,4,2) | {3,3,8} | {12.5.12}{12.5.5}{5.5.5.5.5.5.5.5} |