s-net: sqc3001


 
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)(2,4)
Vertex degrees {4,5}
Vertex coordination sequence [(4, 9, 22, 46, 70, 101, 145, 210, 236, 295), (5, 15, 26, 51, 83, 114, 153, 201, 258, 319)]
Wells’ vertex symbol [3^2.4.5^2.6, 3.4.5^4.8^4]
Systre key (3, 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, 2, 3, 1, 0, 0, 2, 4, 1, 0, 0, 2, 7, 0, 0, 0, 2, 8, 0, 0, 0, 3, 4, 0, 0, 1, 3, 5, 0, 1, 0, 3, 7, -1, 1, 0, 4, 6, 0, 1, 0, 4, 8, -1, 1, 0, 5, 6, 0, 0, 0, 5, 7, -1, 0, 0, 6, 8, -1, 0, 0, 7, 8, 0, 0, 0)

Geometric data

Systre equilibrium placement (barycentric embedding) maximising unit cell volume

Spacegroup: P-4m2

Parameters:

a b c alpha beta gamma
3.46909 3.46909 2.39653 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0.45455 0.45455 0
0.5 0.31818 0.33333

Edge end points:

Systre coordinates favouring equal edge-lengths

Spacegroup: P-4m2

Parameters:

a b c alpha beta gamma
2.3005 2.3005 2.09892 90.0 90.0 90.0

Vertex positions:

X-pos Y-pos Z-pos
0.28267 0.28267 0
0.5 0.21736 0.40636

Edge end points:

Hyperbolic sources

h-nets with faithful topology

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h-nets with edge collapse