s-net: sqc835


 
Systre crystallographic geometry file (.cgd)

Links to this net in other databases

topcryst

Topological data

Vertices per primitive translational unit 4
Edges per primitive translational unit 12
Transitivity (vertex,edge)(2,4)
Vertex degrees {5,7}
Vertex coordination sequence [(5, 20, 47, 82, 127, 182, 247, 322, 407, 502), (7, 22, 47, 82, 127, 182, 247, 322, 407, 502)]
Wells’ vertex symbol [3^2.4^2.5^2.6^4, 3^4.4^6.5^8.6^3]
Systre key (3, 1, 1, -1, 0, 0, 1, 2, 0, 0, 0, 1, 3, -1, 0, 0, 1, 3, -1, 1, 0, 1, 3, 0, 0, 0, 1, 3, 0, 1, 0, 2, 2, -1, 0, 0, 2, 4, -1, 0, 0, 2, 4, -1, 1, 0, 2, 4, 0, 0, 0, 2, 4, 0, 1, 0, 3, 4, 0, 0, 1)

Geometric data

Systre equilibrium placement (barycentric embedding) maximising unit cell volume

Spacegroup: Pmmm

Parameters:

a b c alpha beta gamma
1.42485 1.00762 3.19031 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0 0 0.2
0.5 0.5 0.3

Edge end points:

Systre coordinates favouring equal edge-lengths

Spacegroup: Pmmm

Parameters:

a b c alpha beta gamma
1.52438 1.00002 2.82231 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0 0 0.17717
0.5 0.5 0.32284

Edge end points:

Hyperbolic sources

h-nets with faithful topology

No items to display.

h-nets with edge collapse