s-net: sqc252


 
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 9
Transitivity (vertex,edge)(4,6)
Vertex degrees {4,4,4,6}
Vertex coordination sequence [(4, 16, 28, 58, 104, 162, 240, 334, 444, 570), (4, 12, 28, 52, 100, 172, 250, 352, 462, 596), (4, 12, 32, 62, 104, 162, 236, 334, 442, 570), (6, 18, 38, 70, 114, 172, 252, 344, 456, 580)]
Wells’ vertex symbol [5^4.6^2, 5^5.8, 4^4.6^2, 4^4.5^5.6^2.7^4]
Systre key (3, 1, 1, -1, 0, 0, 1, 2, 0, 0, 0, 1, 2, 0, 0, 1, 1, 3, 0, 0, 0, 1, 3, 0, 1, 0, 2, 2, -1, 0, 0, 3, 4, -1, 0, 0, 3, 4, 0, 0, 0, 4, 4, 0, -1, 0)

Geometric data

Systre equilibrium placement (barycentric embedding) maximising unit cell volume

Spacegroup: Pmmm

Parameters:

a b c alpha beta gamma
1.15122 1.48588 2.57459 90.0 90.0 90.0

Vertex positions:

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

Edge end points:

Systre coordinates favouring equal edge-lengths

Spacegroup: Pmmm

Parameters:

a b c alpha beta gamma
1.29289 1.3844 2.35255 90.0 90.0 90.0

Vertex positions:

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

Edge end points:

Hyperbolic sources

h-nets with faithful topology

No items to display.

h-nets with edge collapse