s-net: sqc2409


 
Systre crystallographic geometry file (.cgd)

Links to this net in other databases

topcryst

Topological data

Vertices per primitive translational unit 6
Edges per primitive translational unit 18
Transitivity (vertex,edge)(2,4)
Vertex degrees {7,4}
Vertex coordination sequence [(7, 19, 38, 67, 103, 146, 199, 259, 326, 403), (4, 14, 38, 60, 100, 146, 192, 256, 326, 396)]
Wells’ vertex symbol [3^4.4^8.5^6.6^3, 3^4.4^2]
Systre key (3, 1, 1, -1, 0, 0, 1, 2, 0, 0, 0, 1, 3, -1, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 1, 5, 0, 0, 0, 2, 2, -1, 0, 0, 2, 4, 0, 0, 1, 2, 5, 0, 1, 0, 2, 6, -1, 0, 0, 2, 6, 0, 0, 0, 3, 4, 0, 0, 0, 3, 4, 1, 0, 0, 4, 4, -1, 0, 0, 4, 5, 0, 0, -1, 5, 5, -1, 0, 0, 5, 6, -1, -1, 0, 5, 6, 0, -1, 0)

Geometric data

Systre equilibrium placement (barycentric embedding) maximising unit cell volume

Spacegroup: P4/mmm

Parameters:

a b c alpha beta gamma
3.11878 3.11878 1.03971 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0.16667 0.5 0
0 0.5 0.5

Edge end points:

Systre coordinates favouring equal edge-lengths

Spacegroup: P4/mmm

Parameters:

a b c alpha beta gamma
2.72276 2.72276 1.14627 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0.22653 0.5 0
0 0.5 0.5

Edge end points:

Hyperbolic sources

h-nets with faithful topology

2 records listed.
Image h-net name Orbifold symbol Transitivity (Vert,Edge,Face) Vertex Degree 2D Vertex Symbol
Net details hqc952 *2224 (2,4,4) {7,4} {4.4.3.3.3.3.4}{3.3.3.3}
Net details hqc953 *2244 (2,4,4) {7,4} {4.8.3.3.3.3.8}{3.3.3.3}

h-nets with edge collapse