s-net: sqc3881
 |
|
| Systre crystallographic geometry file (.cgd) |
Links to this net in other databases
| topcryst |
Topological data
| Vertices per primitive translational unit | 12 |
| Edges per primitive translational unit | 20 |
| Transitivity (vertex,edge) | (2,3) |
| Vertex degrees | {4,3} |
| Vertex coordination sequence | [(4, 9, 16, 25, 38, 58, 80, 97, 118, 153), (3, 6, 14, 25, 39, 54, 73, 97, 126, 152)] |
| Wells’ vertex symbol | [4.8^5, 4.8^2] |
| Systre key | (3, 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, 2, 8, 0, 0, 0, 3, 8, 0, 0, 0, 3, 9, 0, 0, 0, 3, 10, 0, 0, 0, 4, 7, 0, 1, 0, 4, 10, 1, 0, 0, 5, 6, -1, 1, 1, 5, 9, 0, 0, 1, 6, 11, 0, 0, 0, 7, 12, 0, 0, 0, 8, 11, -1, 0, 0, 8, 12, 0, 0, -1, 9, 11, -1, 1, 0, 10, 12, -1, 1, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: I4/mmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 4.18432 | 4.18432 | 4.18432 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.2 | 0 |
| 0 | 0.4 | 0.2 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: I4/mmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 3.9843 | 3.9843 | 3.98077 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.17748 | 0 |
| 0.35528 | 0 | 0.1773 |
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 |
|---|---|---|---|---|---|
 |
hqc138 | *2224 | (2,3,2) | {3,4} | {4.8.8}{8.8.8.8} |