s-net: sqc2987
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| Systre crystallographic geometry file (.cgd) |
Links to this net in other databases
| topcryst |
Topological data
| Vertices per primitive translational unit | 8 |
| Edges per primitive translational unit | 18 |
| Transitivity (vertex,edge) | (3,5) |
| Vertex degrees | {4,4,6} |
| Vertex coordination sequence | [(4, 12, 32, 78, 150, 250, 372, 518, 688, 882), (4, 14, 37, 82, 150, 243, 356, 496, 660, 848), (6, 18, 46, 94, 166, 260, 380, 524, 692, 884)] |
| Wells’ vertex symbol | [5^4.8^2, 4^2.5^2.6.7, 4^4.5^2.6^6.8^3] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 1, 4, 2, 1, 0, 1, 5, 0, 0, 0, 1, 6, 0, 0, 0, 2, 4, 0, 1, -1, 2, 6, -2, 0, -1, 2, 7, 0, 0, 0, 3, 4, 0, 0, 1, 3, 5, -2, -1, 1, 3, 8, 0, 0, 0, 4, 5, -2, -1, 1, 4, 6, -2, 0, -1, 5, 7, 1, 0, 0, 6, 8, 1, 0, 0, 7, 7, -1, 0, 0, 8, 8, -1, 0, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.95275 | 3.7373 | 1.32074 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.25 | 0 | 0 |
| 0.15 | 0 | 0 |
| 0.25 | 0.25 | 0.5 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.89708 | 3.7611 | 1.22066 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.25 | 0 | 0 |
| 0.08333 | 0 | 0 |
| 0.25 | 0.25 | 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 |
|---|---|---|---|---|---|
 |
hqc1122 | *22222 | (3,5,2) | {4,4,6} | {5.5.5.5}{5.4.4.5}{5.4.4.5.4.4} |