s-net: sqc4358


 
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 22
Transitivity (vertex,edge)(2,5)
Vertex degrees {4,7}
Vertex coordination sequence [(4, 12, 38, 78, 129, 187, 268, 345, 441, 556), (7, 23, 52, 91, 143, 206, 279, 367, 464, 571)]
Wells’ vertex symbol [3.4^3.5^2, 3^2.4^9.5^2.6^8]
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, 5, 0, 0, 0, 1, 6, 0, 0, 0, 2, 3, 0, 1, 0, 2, 6, 0, 0, 1, 2, 6, 1, 0, 1, 2, 7, 0, 0, 0, 2, 8, 0, 0, 0, 3, 6, 0, 0, 1, 3, 6, 1, 0, 1, 3, 7, 0, -1, 0, 3, 8, 0, -1, 0, 4, 6, 0, 0, 0, 4, 7, -1, 0, -1, 4, 8, 0, 0, 0, 5, 6, 0, 0, 0, 5, 7, -1, -1, -1, 5, 8, 0, -1, 0)

Geometric data

Systre equilibrium placement (barycentric embedding) maximising unit cell volume

Spacegroup: P-4m2

Parameters:

a b c alpha beta gamma
2.25051 2.25051 1.82276 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0.25 0 0.07143
0.5 0.25 0.21429

Edge end points:

Systre coordinates favouring equal edge-lengths

Spacegroup: P-4m2

Parameters:

a b c alpha beta gamma
1.37509 1.37509 1.87664 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0.17445 0 0.24985
0.5 0.32551 0.25001

Edge end points:

Hyperbolic sources

h-nets with faithful topology

No items to display.

h-nets with edge collapse