s-net: sqc2403


 
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)(2,7)
Vertex degrees {3,6}
Vertex coordination sequence [(3, 7, 21, 49, 86, 130, 182, 242, 310, 386), (6, 18, 38, 66, 102, 146, 198, 258, 326, 402)]
Wells’ vertex symbol [4^2.6, 4^9.6^5.8]
Systre key (3, 1, 1, -1, 0, 0, 1, 2, 0, 0, 0, 1, 2, 0, 1, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 2, 2, -1, 0, 0, 2, 5, 0, 0, 0, 2, 6, 0, 0, 0, 3, 3, -1, 0, 0, 3, 6, 0, 0, 0, 3, 6, 0, 1, 0, 3, 7, 0, 0, 0, 4, 5, 0, 1, 0, 4, 7, 0, 0, 1, 5, 8, 0, 0, 0, 6, 6, -1, 0, 0, 6, 8, 0, 0, -1, 7, 8, 0, 1, -1)

Geometric data

Systre equilibrium placement (barycentric embedding) maximising unit cell volume

Spacegroup: Pmmm

Parameters:

a b c alpha beta gamma
3.60285 1.27394 2.38418 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0.125 0 0.42857
0.375 0 0.28571

Edge end points:

Systre coordinates favouring equal edge-lengths

Spacegroup: Pmmm

Parameters:

a b c alpha beta gamma
3.9999 1.00005 2.00009 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0.125 0 0.25004
0.375 0 0.25

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 hqc2448 *222222 (2,8,7) {6,3} {4.8.4.4.4.4}{4.4.8}

h-nets with edge collapse