s-net: sqc8939
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| Systre crystallographic geometry file (.cgd) |
Links to this net in other databases
| topcryst |
Topological data
| Vertices per primitive translational unit | 16 |
| Edges per primitive translational unit | 36 |
| Transitivity (vertex,edge) | (7,8) |
| Vertex degrees | {4,4,4,8,4,4,4} |
| Vertex coordination sequence | [(4, 8, 30, 50, 118, 166, 270, 350, 498, 598), (4, 18, 38, 100, 144, 257, 326, 490, 574, 764), (4, 16, 32, 76, 116, 226, 276, 448, 510, 708), (8, 20, 60, 90, 188, 234, 390, 452, 634, 734), (4, 20, 38, 106, 146, 262, 326, 482, 582, 770), (4, 12, 44, 76, 166, 232, 358, 458, 602, 752), (4, 12, 40, 76, 154, 228, 350, 446, 598, 718)] |
| Wells’ vertex symbol | [4^4.6^2, 4^2.5^2.6.7, 4^4.6^2, 4^4.5^4.6^6.8^12.10^2, 5^4.6.8, 5^4.8^2, 5^4.8^2] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 1, 5, 0, 0, 0, 1, 5, 1, 0, 0, 1, 6, 0, 0, 0, 1, 7, 0, 0, 0, 1, 8, 0, 0, 0, 2, 9, 0, 0, 0, 2, 10, 0, 0, 0, 2, 11, 0, 0, 0, 3, 10, -1, 0, 0, 3, 12, 0, 0, 0, 3, 13, 0, 0, 0, 4, 10, -2, 0, 0, 4, 11, -1, 0, 0, 4, 14, 0, 0, 0, 5, 11, -1, 0, 0, 5, 15, 0, 0, 0, 6, 10, 0, 0, 1, 6, 14, 0, 1, 0, 6, 15, 1, 0, 0, 7, 10, -1, 0, 1, 7, 12, 1, -1, 1, 7, 13, -1, 1, 0, 8, 9, 0, -1, 1, 8, 10, -2, 0, 1, 8, 15, 0, 0, 0, 9, 12, 0, 0, 0, 9, 12, 1, 0, 0, 10, 16, 0, 0, 0, 10, 16, 1, 0, 0, 11, 16, 0, 0, 0, 13, 14, 0, 0, 0, 13, 14, 1, 0, 0, 15, 16, -1, 0, 1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 3.61822 | 5.46927 | 1.80846 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.25 | 0 | 0 |
| 0.25 | 0.0625 | 0 |
| 0 | 0 | 0 |
| 0 | 0 | 0.5 |
| 0.25 | 0 | 0.5 |
| 0.25 | 0.25 | 0.5 |
| 0.25 | 0.25 | 0 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 3.24622 | 4.11655 | 1.77475 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.25 | 0 | 0 |
| 0.25 | 0.1161 | 0 |
| 0 | 0 | 0 |
| 0 | 0 | 0.5 |
| 0.25 | 0 | 0.5 |
| 0.25 | 0.25 | 0.5 |
| 0.25 | 0.25 | 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 |
|---|---|---|---|---|---|
 |
hqc2451 | *222222 | (7,8,2) | {4,4,4,8,4,4,4} | {4.4.4.4}{4.5.5.4}{4.4.4.4}{4.5.... |