s-net: sqc2440
 |
|
| 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 | 18 |
| Transitivity (vertex,edge) | (2,5) |
| Vertex degrees | {6,3} |
| Vertex coordination sequence | [(6, 18, 39, 71, 114, 167, 231, 306, 391, 487), (3, 6, 16, 38, 71, 114, 167, 231, 306, 391)] |
| Wells’ vertex symbol | [4^9.6^5.8, 4^3] |
| Systre key | (3, 1, 1, -1, 0, 0, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 1, 5, 0, 0, 0, 2, 2, -1, 0, 0, 2, 3, 0, 1, 0, 2, 5, 0, 1, 0, 2, 6, 0, 0, 0, 3, 3, -1, 0, 0, 3, 5, 0, 0, 1, 3, 7, 0, 0, 0, 4, 7, 0, 0, 0, 4, 8, 0, 0, 0, 5, 5, -1, 0, 0, 5, 8, 0, 0, 0, 6, 7, 0, 1, 0, 6, 8, 0, 1, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: P4/mmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 3.7174 | 3.7174 | 1.40477 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.21429 | 0 | 0 |
| 0.07143 | 0 | 0 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: P4/mmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.2613 | 2.2613 | 1.04803 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.26824 | 0 | 0 |
| 0.26808 | 0 | 0 |
Edge end points:
Hyperbolic sources
h-nets with faithful topology
2 records listed.| Image | h-net name | Orbifold symbol | Transitivity (Vert,Edge,Face) | Vertex Degree | 2D Vertex Symbol |
|---|---|---|---|---|---|
 |
hqc917 | *2224 | (2,5,4) | {6,3} | {4.4.4.4.4.4}{4.4.4} |
 |
hqc918 | *2244 | (2,5,4) | {6,3} | {4.8.4.4.8.4}{4.4.4} |