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

using model chemistry: PBEPBE/6-311+G(3df,2p)

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 PBEPBE/6-311+G(3df,2p)
 hartrees
Energy at 0K-2514.432231
Energy at 298.15K 
HF Energy-2514.432231
Nuclear repulsion energy134.623481
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 PBEPBE/6-311+G(3df,2p)
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 2024 2007 621.51 31.88 0.75 0.86
2 Σ 656 651 3.47 22.20 0.08 0.14
3 Π 458 454 0.07 0.20 0.75 0.86
3 Π 458 454 0.07 0.20 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1797.7 cm-1
Scaled (by 0.9918) Zero Point Vibrational Energy (zpe) 1783.0 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 PBEPBE/6-311+G(3df,2p)
B
0.13274

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-311+G(3df,2p)

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.021
O2 0.000 0.000 -2.187
Se3 0.000 0.000 0.695

Atom - Atom Distances (Å)
  C1 O2 Se3
C11.16631.7161
O21.16632.8823
Se31.71612.8823

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 PBEPBE/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.365      
2 O -0.455      
3 Se 0.090      


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 0.891 0.891
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.924 0.000 0.000
y 0.000 -28.924 0.000
z 0.000 0.000 -29.535
Traceless
 xyz
x 0.305 0.000 0.000
y 0.000 0.305 0.000
z 0.000 0.000 -0.610
Polar
3z2-r2-1.221
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 4.734 0.000 0.000
y 0.000 4.734 0.000
z 0.000 0.000 9.146


<r2> (average value of r2) Å2
<r2> 79.147
(<r2>)1/2 8.896