s-net: sqc1975
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| Systre crystallographic geometry file (.cgd) |
Links to this net in other databases
| topcryst |
Topological data
| Vertices per primitive translational unit | 7 |
| Edges per primitive translational unit | 16 |
| Transitivity (vertex,edge) | (4,3) |
| Vertex degrees | {4,4,8,4} |
| Vertex coordination sequence | [(4, 6, 24, 42, 96, 106, 204, 210, 360, 322), (4, 16, 27, 69, 85, 170, 171, 302, 289, 482), (8, 16, 40, 58, 128, 128, 232, 242, 408, 352), (4, 10, 44, 58, 116, 134, 248, 226, 388, 382)] |
| Wells’ vertex symbol | [4^6, 4^4.6^2, 4^8.6^8.8^12, 4^2.8^4] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 2, 1, 0, 0, 1, 3, 0, 0, 0, 1, 3, 1, 0, 0, 1, 4, 0, 0, 0, 1, 4, 0, 1, 0, 1, 5, 0, 0, 0, 1, 5, 0, 1, 0, 2, 6, 0, 0, 0, 2, 7, 0, 0, 0, 3, 6, 0, 1, 0, 3, 7, 0, 1, 0, 4, 6, 0, 0, 1, 4, 7, 0, 0, 0, 5, 6, 1, 0, 1, 5, 7, 1, 0, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: P-4m2
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.93696 | 1.93696 | 2.73927 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0 | 0.25 | 0.125 |
| 0.5 | 0.5 | 0 |
| 0 | 0 | 0.5 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: P-4m2
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.15945 | 1.15945 | 2.57739 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0 | 0.29329 | 0.27982 |
| 0.5 | 0.5 | 0 |
| 0 | 0 | 0.5 |
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 |
|---|---|---|---|---|---|
 |
hqc913 | *4444 | (4,3,2) | {4,4,8,4} | {4.4.4.4}{4.16.16.4}{4.16.4.16.4... |