Se

Axis: S
End: extroverted (positive).
Sign in notation: +
Lattice angle: 67.5°.

Stacks that use Se in ego order

Stack	Ego position
Se-Fi-Te-Ni	1
Se-Ti-Fe-Ni	1
Fe-Ni-Se-Ti	3
Te-Ni-Se-Fi	3
Ni-Fe-Ti-Se	4
Ni-Te-Fi-Se	4
Fi-Se-Ni-Te	2
Ti-Se-Ni-Fe	2