s-net: sqc2428


 
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 18
Transitivity (vertex,edge)(3,5)
Vertex degrees {8,3,4}
Vertex coordination sequence [(8, 30, 72, 134, 220, 338, 498, 690, 914, 1170), (3, 16, 49, 107, 190, 300, 448, 630, 842, 1088), (4, 10, 32, 92, 194, 326, 490, 686, 914, 1174)]
Wells’ vertex symbol [4^6.6^18.8^4, 4.6^2, 6^5.8]
Systre key (3, 1, 1, -1, 0, 0, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 1, 4, 0, 1, 0, 1, 5, 0, 0, 0, 1, 6, 0, 0, 0, 2, 4, 0, 0, 1, 2, 7, 0, 0, 0, 3, 4, 0, 0, 1, 3, 8, 0, 0, 0, 4, 4, -1, 0, 0, 4, 5, 0, -1, 1, 4, 6, 0, -1, 1, 5, 8, -1, 0, -1, 6, 7, -1, 1, -1, 7, 8, 0, -1, 1, 7, 8, 0, 0, -1)

Geometric data

Systre equilibrium placement (barycentric embedding) maximising unit cell volume

Spacegroup: Cmma

Parameters:

a b c alpha beta gamma
3.18879 2.60304 1.59473 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0 0 0
0.41667 0.25 0.16667
0.25 0.25 0.5

Edge end points:

Systre coordinates favouring equal edge-lengths

Spacegroup: Cmma

Parameters:

a b c alpha beta gamma
2.02251 2.02248 1.0112 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0 0 0
0.23027 0.25 0.28947
0.25 0.25 0.5

Edge end points:

Hyperbolic sources

h-nets with faithful topology

1 record listed.
Image h-net name Orbifold symbol Transitivity (Vert,Edge,Face) Vertex Degree 2D Vertex Symbol
Net details hqc1108 *222222 (3,5,2) {8,3,4} {6.6.6.6.6.6.6.6}{6.6.6}{6.6.6.6}

h-nets with edge collapse

No items to display.