s-net: sqc992
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|
| 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 | 13 |
| Transitivity (vertex,edge) | (2,7) |
| Vertex degrees | {4,9} |
| Vertex coordination sequence | [(4, 16, 50, 101, 162, 244, 338, 438, 564, 702), (9, 31, 66, 115, 181, 258, 349, 459, 578, 711)] |
| Wells’ vertex symbol | [3^2.4^3.5, 3^7.4^16.5^6.6^7] |
| Systre key | (3, 1, 1, -1, 0, 0, 1, 1, 0, -1, 0, 1, 2, -2, 0, 0, 1, 2, -1, 0, 0, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 2, 2, -1, 0, 0, 2, 2, 0, -1, 0, 2, 3, 0, 0, 1, 2, 4, 0, 0, 1, 3, 4, 0, 0, 0, 3, 4, 1, 0, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Pmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.01251 | 1.54744 | 2.52642 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.16667 | 0 | 0 |
| 1 | 0 | 0.375 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Pmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 0.78727 | 1.07768 | 2.96774 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.30579 | 0 | 0 |
| 0 | 0 | 0.35384 |
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 |
|---|---|---|---|---|---|
 |
hqc2143 | *222222 | (2,7,5) | {9,4} | {4.4.4.4.3.4.4.4.4}{4.4.3.3} |