s-net: sqc2318
 |
|
| 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 | 18 |
| Transitivity (vertex,edge) | (2,5) |
| Vertex degrees | {12,3} |
| Vertex coordination sequence | [(12, 56, 146, 274, 448, 660, 918, 1214, 1556, 1936), (3, 20, 83, 192, 340, 532, 764, 1040, 1356, 1716)] |
| Wells’ vertex symbol | [3^4.4^26.5^20.6^14.7^2, 3.4^2] |
| Systre key | (3, 1, 1, -1, 0, 0, 1, 1, -1, 1, 0, 1, 2, -2, 1, 1, 1, 2, 0, 0, 0, 1, 2, 0, 0, 1, 1, 2, 0, 1, 0, 1, 3, -1, 1, 0, 1, 3, 0, 0, 0, 1, 4, -1, 0, 0, 1, 4, 0, 0, 0, 2, 2, -1, 0, 0, 2, 2, -1, 1, 0, 2, 5, -1, 1, 0, 2, 5, 0, 0, 0, 2, 6, -1, 0, 0, 2, 6, 0, 0, 0, 3, 6, -1, 0, 1, 4, 5, -1, 1, 1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.86731 | 1.86757 | 2.41205 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.25 | 0.7 |
| 0.25 | 0 | 0.4 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.42569 | 1.41464 | 1.4485 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.25 | 0.74888 |
| 0.75 | 0 | 0.84238 |
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 |
|---|---|---|---|---|---|
 |
hqc985 | *22222 | (2,5,3) | {12,3} | {4.3.4.4.3.4.4.3.4.4.3.4}{3.4.4} |