s-net: sqc7648


 
Systre crystallographic geometry file (.cgd)

Links to this net in other databases

topcryst

Topological data

Vertices per primitive translational unit 12
Edges per primitive translational unit 32
Transitivity (vertex,edge)(2,8)
Vertex degrees {6,5}
Vertex coordination sequence [(6, 20, 47, 80, 122, 182, 252, 320, 397, 500), (5, 14, 34, 66, 112, 163, 224, 305, 399, 484)]
Wells’ vertex symbol [3.4^6.6^8, 3.4^5.5.6^3]
Systre key (3, 1, 2, 0, 0, 0, 1, 2, 1, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 1, 5, 0, 0, 0, 1, 6, 0, 0, 0, 2, 3, 0, 1, 0, 2, 4, -1, -1, 0, 2, 7, 0, 0, 0, 2, 8, 0, 0, 0, 3, 4, -1, -1, 0, 3, 4, 0, -1, 0, 3, 9, 0, 0, 0, 3, 10, 0, 0, 0, 4, 11, 0, 0, 0, 4, 12, 0, 0, 0, 5, 6, 0, 0, 0, 5, 8, 0, 0, 1, 5, 9, 0, 0, 1, 5, 11, 0, 0, 0, 6, 7, 1, 0, 1, 6, 10, 0, 0, 1, 6, 12, 0, 0, 0, 7, 8, 0, 0, 0, 7, 9, 0, 1, 0, 7, 11, -1, -1, -1, 8, 10, 0, 1, 0, 8, 12, -1, -1, -1, 9, 10, 0, 0, 0, 9, 12, -1, -1, -1, 10, 11, 0, -1, -1, 11, 12, 0, 0, 0)

Geometric data

Systre equilibrium placement (barycentric embedding) maximising unit cell volume

Spacegroup: Cmma

Parameters:

a b c alpha beta gamma
3.87879 2.65623 2.98996 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0.125 0.25 0.39474
0.125 0.15 0.07895

Edge end points:

Systre coordinates favouring equal edge-lengths

Spacegroup: Cmma

Parameters:

a b c alpha beta gamma
3.00314 1.03775 3.45946 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0.16601 0.25 0.37607
0.33323 0.23229 0.12584

Edge end points:

Hyperbolic sources

h-nets with faithful topology

No items to display.

h-nets with edge collapse