Table 1.

Classical parameters for ebselen. Bond lengths are given in Å, and angles in degrees. Force constants are given in kcal/mol⋅Ų or kcal/mol⋅radian²

Parameter	x0	k
r(Se-N)	1.8586	434.67
r(Se-C)	1.8829	422.33
$\angle$(C-Se-N)	86.6	610.7
$\angle$(Se-N-Car)	119.6	182.7
$\angle$(Se-N-CCO)	115.8	404.5
$\angle$(C-C-Se)	119.4	329.2