s-net: sqc2431


 
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 {3,8,4}
Vertex coordination sequence [(3, 16, 51, 108, 186, 301, 432, 592, 776, 980), (8, 28, 66, 130, 226, 342, 490, 650, 842, 1058), (4, 20, 62, 134, 226, 346, 486, 654, 842, 1058)]
Wells’ vertex symbol [5.6^2, 5^12.6^14.9^2, 5.6^4.8]
Systre key (3, 1, 1, -1, 0, 0, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 1, 5, 0, 0, 0, 1, 6, 0, 0, 0, 1, 7, 0, 0, 0, 2, 7, 0, 1, 0, 2, 8, 0, 0, 0, 3, 6, -1, 1, 0, 3, 6, 0, 0, 1, 3, 8, -1, 0, 0, 4, 5, 1, 0, -1, 4, 8, 1, -1, -1, 5, 8, -2, 0, 0, 6, 8, 0, -1, -1, 7, 8, -1, -1, -1, 8, 8, -1, 0, 0)

Geometric data

Systre equilibrium placement (barycentric embedding) maximising unit cell volume

Spacegroup: Cmma

Parameters:

a b c alpha beta gamma
2.90511 2.90611 1.25853 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0.25 0.125 0
0 0 0.5
0.25 0 0.5

Edge end points:

Systre coordinates favouring equal edge-lengths

Spacegroup: Cmma

Parameters:

a b c alpha beta gamma
3.69524 2.01277 0.96888 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0.25 0.00044 0
0 0 0.5
0.25 0 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 hqc1116 *222222 (3,5,2) {3,8,4} {6.6.6}{6.6.6.6.6.6.6.6}{6.6.6.6}

h-nets with edge collapse

No items to display.