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

using model chemistry: TPSSh/6-31G(2df,p)

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 TPSSh/6-31G(2df,p)
 hartrees
Energy at 0K-2512.780349
Energy at 298.15K 
HF Energy-2512.780349
Nuclear repulsion energy136.081900
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 TPSSh/6-31G(2df,p)
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 2114 2040 607.45 17.57 0.65 0.79
2 Σ 709 685 2.56 15.19 0.14 0.25
3 Π 502 484 0.79 0.24 0.75 0.86
3 Π 502 484 0.79 0.24 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1913.3 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 1846.3 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 TPSSh/6-31G(2df,p)
B
0.13559

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/6-31G(2df,p)

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.007
O2 0.000 0.000 -2.166
Se3 0.000 0.000 0.687

Atom - Atom Distances (Å)
  C1 O2 Se3
C11.15921.6941
O21.15922.8533
Se31.69412.8533

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 TPSSh/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.239      
2 O -0.169      
3 Se -0.069      


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 0.650 0.650
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.868 0.000 0.000
y 0.000 3.868 0.000
z 0.000 0.000 7.978


<r2> (average value of r2) Å2
<r2> 77.430
(<r2>)1/2 8.799