s-net: sqc89


 
Systre crystallographic geometry file (.cgd)

Links to this net in other databases

topcryst

Topological data

Vertices per primitive translational unit 3
Edges per primitive translational unit 8
Transitivity (vertex,edge)(2,4)
Vertex degrees {3,10}
Vertex coordination sequence [(3, 19, 76, 159, 269, 399, 557, 735, 941, 1167), (10, 44, 102, 188, 294, 428, 582, 764, 966, 1196)]
Wells’ vertex symbol [4.5^2, 4^15.5^16.6^12.8^2]
Systre key (3, 1, 1, -1, -2, 0, 1, 1, -1, 0, 0, 1, 1, 0, -1, 0, 1, 2, 0, 0, 0, 1, 2, 0, 0, 1, 1, 3, 0, 0, 0, 1, 3, 0, 0, 1, 2, 3, 1, 1, 0)

Geometric data

Systre equilibrium placement (barycentric embedding) maximising unit cell volume

Spacegroup: Pmmm

Parameters:

a b c alpha beta gamma
0.98193 1.70074 1.07559 90.0 90.0 90.0

Vertex positions:

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

Edge end points:

Systre coordinates favouring equal edge-lengths

Spacegroup: Pmmm

Parameters:

a b c alpha beta gamma
0.92163 1.93452 0.48138 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0 0 0.46602
0 0.5 0

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 hqc622 *222222 (2,4,3) {10,3} {4.6.6.6.4.4.6.6.6.4}{6.6.6}
Net details hqc676 *222222 (2,4,3) {10,3} {4.8.4.8.4.4.8.4.8.4}{8.8.4}

h-nets with edge collapse

No items to display.