s-net: sqc770
 |
|
| Systre crystallographic geometry file (.cgd) |
Links to this net in other databases
| topcryst |
Topological data
| Vertices per primitive translational unit | 4 |
| Edges per primitive translational unit | 12 |
| Transitivity (vertex,edge) | (4,6) |
| Vertex degrees | {8,8,4,4} |
| Vertex coordination sequence | [(8, 34, 72, 138, 216, 346, 470, 650, 818, 1050), (8, 26, 72, 130, 228, 326, 480, 626, 832, 1022), (4, 20, 52, 118, 204, 328, 458, 632, 806, 1032), (4, 20, 58, 118, 202, 300, 432, 580, 768, 960)] |
| Wells’ vertex symbol | [3^4.4^4.5^12.6^7.8, 3^4.4^4.5^16.6^4, 5^5.8, 3^4.4^2] |
| Systre key | (3, 1, 1, -1, 0, 0, 1, 2, 0, 0, 0, 1, 2, 0, 0, 1, 1, 2, 0, 1, 0, 1, 2, 0, 1, 1, 1, 3, 0, 0, 0, 1, 3, 0, 1, 0, 2, 3, 0, 0, -1, 2, 3, 0, 0, 0, 2, 4, -1, 0, 0, 2, 4, 0, 0, 0, 4, 4, 0, 0, -1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Pmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.69541 | 1.69533 | 1.31276 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0 | 0.5 | 0.5 |
| 0.5 | 0.5 | 0.5 |
| 0 | 0.5 | 0 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Pmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.32861 | 2.01038 | 1.2819 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0 | 0.5 | 0.5 |
| 0.5 | 0.5 | 0.5 |
| 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 |
|---|---|---|---|---|---|
 |
hqc2038 | *222222 | (4,6,2) | {4,8,8,4} | {6.6.6.6}{6.3.3.6.6.3.3.6}{6.6.3... |