s-net: sqc2652
 |
|
| Systre crystallographic geometry file (.cgd) |
Other names
| RCSR name | epa |
Links to this net in other databases
| RCSR | topcryst |
Topological data
| Vertices per primitive translational unit | 7 |
| Edges per primitive translational unit | 18 |
| Transitivity (vertex,edge) | (3,2) |
| Vertex degrees | {4,6,6} |
| Vertex coordination sequence | [(4, 18, 40, 102, 136, 266, 292, 510, 508, 834), (6, 18, 58, 90, 190, 222, 402, 414, 694, 666), (6, 24, 54, 126, 162, 306, 330, 566, 558, 906)] |
| Wells’ vertex symbol | [4^2.6^4, 4^4.6^9.8^2, 4^6.6^9] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 2, 0, 1, 0, 1, 3, 0, 0, 0, 1, 3, 1, 0, 0, 2, 4, 0, 0, 0, 2, 4, 0, 1, -1, 2, 5, 0, 0, 0, 2, 5, 0, 0, 1, 3, 4, -1, 1, -1, 3, 4, 0, 1, 0, 3, 6, 0, 0, 0, 3, 6, 0, 0, 1, 4, 7, 0, 0, 0, 4, 7, 1, 1, 0, 5, 7, 0, 1, -1, 5, 7, 1, 1, -1, 6, 7, 0, 1, -1, 6, 7, 0, 2, -1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: R-3m
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.19618 | 2.19618 | 4.25275 | 90.0 | 90.0 | 120.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.5 | 0.5 |
| 0 | 0.5 | 0 |
| 0 | 0 | 0 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: R-3m
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.00015 | 2.00015 | 4.89853 | 90.0 | 90.0 | 120.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.5 | 0.5 |
| 0 | 0.5 | 0 |
| 0 | 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 |
|---|---|---|---|---|---|
 |
hqc325 | *2626 | (3,2,2) | {4,6,6} | {12.4.12.4}{12.4.4.12.4.4}{4.4.4... |