C,1,29.0,s,
Se,2,,,
C,3,29.0,s,
C,4,29.0,s,
H,5,3.25,s,
H,6,3.25,s,
H,7,3.25,s,
H,8,3.25,s,
H,9,3.25,s,
H,10,3.25,s,
H,11,3.25,s,
H,12,3.25,s,
H,13,3.25,s,
