s-net: sqc1688
 |
|
| 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 | 16 |
| Transitivity (vertex,edge) | (3,4) |
| Vertex degrees | {8,4,4} |
| Vertex coordination sequence | [(8, 30, 76, 148, 268, 382, 582, 728, 1024, 1182), (4, 26, 72, 146, 250, 398, 548, 770, 960, 1270), (4, 20, 58, 130, 226, 370, 510, 738, 906, 1234)] |
| Wells’ vertex symbol | [4^2.5^16.6^8.8^2, 4^2.5^2.6^2, 5^5.8] |
| Systre key | (3, 1, 1, -1, 0, 0, 1, 2, 0, 0, 0, 1, 2, 0, 0, 1, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 1, 4, 0, 1, 0, 1, 5, 0, 0, 0, 2, 6, -2, 1, 0, 2, 6, 0, 0, 0, 3, 5, -1, 0, -1, 3, 5, 1, -1, 0, 3, 6, -1, 0, 0, 4, 6, -2, 0, 0, 4, 6, 0, 0, 1, 5, 6, -1, 1, 1, 6, 6, -1, 0, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.71422 | 2.3511 | 1.17539 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0.25 | 0.25 | 0.5 |
| 0.25 | 0 | 0 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 3.45921 | 1.8948 | 0.94735 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0.25 | 0.25 | 0.5 |
| 0.25 | 0 | 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 |
|---|---|---|---|---|---|
 |
hqc822 | *222222 | (3,4,2) | {8,4,4} | {6.5.5.6.6.5.5.6}{6.5.6.5}{5.5.5.5} |