s-net: sqc7076


 
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 30
Transitivity (vertex,edge)(2,4)
Vertex degrees {6,9}
Vertex coordination sequence [(6, 21, 61, 120, 180, 278, 372, 472, 638, 760), (9, 33, 70, 125, 197, 274, 381, 501, 614, 777)]
Wells’ vertex symbol [3^6.4^7.5^2, 3^6.4^16.5^12.6^2]
Systre key (3, 1, 2, 0, 0, 0, 1, 2, 0, 1, 0, 1, 2, 1, 0, 0, 1, 2, 1, 1, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 1, 5, 0, 0, 0, 1, 6, 0, 0, 0, 1, 7, 0, 0, 0, 2, 3, 0, 0, 0, 2, 4, -1, 0, 0, 2, 5, 0, -1, 0, 2, 6, -1, -1, 0, 2, 8, 0, 0, 0, 3, 4, -1, 0, 0, 3, 5, 0, 0, 0, 3, 7, 0, 0, 1, 3, 8, 0, 0, 1, 4, 6, 0, 0, 0, 4, 7, 0, 0, 1, 4, 8, 1, 0, 1, 5, 6, -1, 0, 0, 5, 7, 0, 0, 1, 5, 8, 0, 1, 1, 6, 7, 0, 0, 1, 6, 8, 1, 1, 1, 7, 8, 0, 0, 0, 7, 8, 0, 1, 0, 7, 8, 1, 0, 0, 7, 8, 1, 1, 0)

Geometric data

Systre equilibrium placement (barycentric embedding) maximising unit cell volume

Spacegroup: P4/mmm

Parameters:

a b c alpha beta gamma
1.82912 1.82912 2.89209 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0.16667 0.16667 0
0 0.5 0.16667

Edge end points:

Systre coordinates favouring equal edge-lengths

Spacegroup: P4/mmm

Parameters:

a b c alpha beta gamma
1.44465 1.44465 2.68063 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0.33343 0.33343 0
0 0.5 0.31371

Edge end points:

Hyperbolic sources

h-nets with faithful topology

No items to display.

h-nets with edge collapse