s-net: sqc214


 
Systre crystallographic geometry file (.cgd)

Links to this net in other databases

topcryst

Topological data

Vertices per primitive translational unit 2
Edges per primitive translational unit 9
Transitivity (vertex,edge)(2,2)
Vertex degrees {12,6}
Vertex coordination sequence [(12, 42, 92, 162, 252, 362, 492, 642, 812, 1002), (6, 36, 86, 156, 246, 356, 486, 636, 806, 996)]
Wells’ vertex symbol [3^18.4^30.5^15.6^3, 3^6.4^6.5^3]
Systre key (3, 1, 1, -1, -1, 0, 1, 1, -1, 0, 0, 1, 1, 0, -1, 0, 1, 2, -1, -1, 0, 1, 2, -1, -1, 1, 1, 2, -1, 0, 0, 1, 2, 0, -1, 1, 1, 2, 0, 0, 0, 1, 2, 0, 0, 1)

Geometric data

Systre equilibrium placement (barycentric embedding) maximising unit cell volume

Spacegroup: R-3m

Parameters:

a b c alpha beta gamma
1.09808 1.09808 4.25283 90.0 90.0 120.0

Vertex positions:

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

Edge end points:

Systre coordinates favouring equal edge-lengths

Spacegroup: R-3m

Parameters:

a b c alpha beta gamma
1.0001 1.0001 4.89836 90.0 90.0 120.0

Vertex positions:

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

Edge end points:

Hyperbolic sources

h-nets with faithful topology

No items to display.

h-nets with edge collapse