s-net: sqc4028


 
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)(3,4)
Vertex degrees {3,12,4}
Vertex coordination sequence [(3, 21, 57, 116, 186, 276, 378, 500, 634, 788), (12, 34, 76, 130, 204, 290, 396, 514, 652, 802), (4, 32, 64, 130, 192, 290, 384, 514, 640, 802)]
Wells’ vertex symbol [4^3, 3^8.4^14.5^16.6^16.7^8.8^4, 3^4.4^2]
Systre key (3, 1, 1, -1, 0, 0, 1, 1, 0, -1, 0, 1, 2, -1, 0, 0, 1, 2, -1, 1, 0, 1, 2, 0, 0, 0, 1, 2, 0, 1, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 1, 5, 0, 0, 0, 1, 6, 0, 0, 0, 3, 4, 1, 0, 0, 3, 7, 0, 0, 0, 4, 7, 0, 0, 0, 5, 6, 0, -1, 0, 5, 7, 0, 0, 1, 6, 7, 0, 0, 1, 7, 7, -1, 0, 0, 7, 7, 0, -1, 0, 7, 8, -1, 0, 0, 7, 8, -1, 1, 0, 7, 8, 0, 0, 0, 7, 8, 0, 1, 0)

Geometric data

Systre equilibrium placement (barycentric embedding) maximising unit cell volume

Spacegroup: P42/mmc

Parameters:

a b c alpha beta gamma
1.29553 1.29553 3.8866 90.0 90.0 90.0

Vertex positions:

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

Edge end points:

Systre coordinates favouring equal edge-lengths

Spacegroup: P42/mmc

Parameters:

a b c alpha beta gamma
1.25189 1.25189 4.07021 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0.19057 0 0
0 0 0.25
0.5 0.5 0.25

Edge end points:

Hyperbolic sources

h-nets with faithful topology

No items to display.

h-nets with edge collapse