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

using model chemistry: PBEPBEultrafine/aug-cc-pVDZ

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 PBEPBEultrafine/aug-cc-pVDZ
 hartrees
Energy at 0K-2514.411774
Energy at 298.15K 
HF Energy-2514.411774
Nuclear repulsion energy133.909393
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 PBEPBEultrafine/aug-cc-pVDZ
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 2004 1991 609.59 27.79 0.75 0.85
2 Σ 653 649 3.03 22.13 0.09 0.16
3 Π 444 441 0.05 0.36 0.75 0.86
3 Π 444 441 0.05 0.36 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1772.2 cm-1
Scaled (by 0.9939) Zero Point Vibrational Energy (zpe) 1761.4 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 PBEPBEultrafine/aug-cc-pVDZ
B
0.13131

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/aug-cc-pVDZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.025
O2 0.000 0.000 -2.200
Se3 0.000 0.000 0.699

Atom - Atom Distances (Å)
  C1 O2 Se3
C11.17531.7234
O21.17532.8986
Se31.72342.8986

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 PBEPBEultrafine/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.213      
2 O -0.190      
3 Se 0.403      


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 0.935 0.935
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.993 0.000 0.000
y 0.000 -28.993 0.000
z 0.000 0.000 -29.564
Traceless
 xyz
x 0.285 0.000 0.000
y 0.000 0.285 0.000
z 0.000 0.000 -0.571
Polar
3z2-r2-1.141
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 4.614 0.000 0.000
y 0.000 4.614 0.000
z 0.000 0.000 9.214


<r2> (average value of r2) Å2
<r2> 79.843
(<r2>)1/2 8.935