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All results from a given calculation for OCSe (Carbonyl selenide)

using model chemistry: PBE1PBE/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C*V 1Σ
Energy calculated at PBE1PBE/Def2TZVPP
 hartrees
Energy at 0K-2514.533104
Energy at 298.15K 
HF Energy-2514.533104
Nuclear repulsion energy135.731980
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at PBE1PBE/Def2TZVPP
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Σ 2122 2122 760.31 25.92 0.61 0.76
2 Σ 675 675 6.84 15.00 0.14 0.25
3 Π 483 483 0.82 0.54 0.75 0.86
3 Π 483 483 0.82 0.54 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1881.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1881.2 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at PBE1PBE/Def2TZVPP
B
0.13498

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/Def2TZVPP

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.018
O2 0.000 0.000 -2.167
Se3 0.000 0.000 0.689

Atom - Atom Distances (Å)
  C1 O2 Se3
C11.14931.7071
O21.14932.8563
Se31.70712.8563

picture of Carbonyl selenide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O2 C1 Se3 180.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.129      
2 O -0.109      
3 Se -0.020      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 0.716 0.716
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.812 0.000 0.000
y 0.000 -28.812 0.000
z 0.000 0.000 -29.189
Traceless
 xyz
x 0.188 0.000 0.000
y 0.000 0.188 0.000
z 0.000 0.000 -0.377
Polar
3z2-r2-0.754
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.890 0.000 0.000
y 0.000 3.890 0.000
z 0.000 0.000 8.526


<r2> (average value of r2) Å2
<r2> 78.012
(<r2>)1/2 8.832