s-net: sqc99


 
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 8
Transitivity (vertex,edge)(2,5)
Vertex degrees {10,6}
Vertex coordination sequence [(10, 34, 74, 130, 202, 290, 394, 514, 650, 802), (6, 24, 66, 122, 194, 282, 386, 506, 642, 794)]
Wells’ vertex symbol [3^10.4^18.5^15.6^2, 3^8.4^6.5]
Systre key (3, 1, 1, -1, 0, 0, 1, 1, 0, -1, 0, 1, 1, 0, 0, -1, 1, 2, -1, -1, 0, 1, 2, -1, 0, 0, 1, 2, 0, -1, 0, 1, 2, 0, 0, 0, 2, 2, -1, 0, 0)

Geometric data

Systre equilibrium placement (barycentric embedding) maximising unit cell volume

Spacegroup: Pmmm

Parameters:

a b c alpha beta gamma
1.20681 1.70678 0.98527 90.0 90.0 90.0

Vertex positions:

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

Edge end points:

Systre coordinates favouring equal edge-lengths

Spacegroup: Pmmm

Parameters:

a b c alpha beta gamma
1.24186 1.05994 1.1539 90.0 90.0 90.0

Vertex positions:

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

Edge end points:

Hyperbolic sources

h-nets with faithful topology

No items to display.

h-nets with edge collapse