s-net: sqc741


 
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)(2,6)
Vertex degrees {4,8}
Vertex coordination sequence [(4, 14, 42, 87, 142, 212, 294, 384, 492, 612), (8, 27, 58, 101, 158, 226, 306, 401, 506, 623)]
Wells’ vertex symbol [3^2.4^3.5, 3^4.4^12.5^5.6^7]
Systre key (3, 1, 1, -1, 0, 0, 1, 1, 0, -1, 0, 1, 2, -1, 0, 0, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 2, 2, -1, 0, 0, 2, 2, 0, -1, 0, 2, 3, 0, 0, 1, 2, 4, 0, 0, 1, 3, 4, 0, 0, 0, 3, 4, 1, 0, 0)

Geometric data

Systre equilibrium placement (barycentric embedding) maximising unit cell volume

Spacegroup: Cmmm

Parameters:

a b c alpha beta gamma
5.09717 1.16958 1.47107 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0 0.33333 0
0.33333 0 0

Edge end points:

Systre coordinates favouring equal edge-lengths

Spacegroup: Cmmm

Parameters:

a b c alpha beta gamma
5.87873 1.16217 1.06416 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0 0.25047 0
0.17418 0.5 0

Edge end points:

Hyperbolic sources

h-nets with faithful topology

No items to display.

h-nets with edge collapse