s-net: sqc8


 
Systre crystallographic geometry file (.cgd)

Other names

RCSR name bct
Keywords sphere packing
Fisher-Koch-Sowa symbol 10/3/t1

Links to this net in other databases

RCSR topcryst

Topological data

Vertices per primitive translational unit 1
Edges per primitive translational unit 5
Transitivity (vertex,edge)(1,2)
Vertex degrees {10}
Vertex coordination sequence [(10, 34, 74, 130, 202, 290, 394, 514, 650, 802)]
Wells’ vertex symbol [3^12.4^28.5^5]
Systre key (3, 1, 1, -1, -1, -1, 1, 1, -1, -1, 0, 1, 1, -1, 0, 0, 1, 1, 0, -1, -1, 1, 1, 0, 0, -1)

Geometric data

Systre equilibrium placement (barycentric embedding) maximising unit cell volume

Spacegroup: I4/mmm

Parameters:

a b c alpha beta gamma
1.2922 1.2922 0.91372 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0 0 0

Edge end points:

Systre coordinates favouring equal edge-lengths

Spacegroup: I4/mmm

Parameters:

a b c alpha beta gamma
1.22481 1.22481 0.99992 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0 0 0

Edge end points:

Hyperbolic sources

h-nets with faithful topology

No items to display.

h-nets with edge collapse