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

using model chemistry: HF/aug-cc-pVQZ

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 HF/aug-cc-pVQZ
 hartrees
Energy at 0K-2512.685832
Energy at 298.15K 
HF Energy-2512.685832
Nuclear repulsion energy135.826758
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 HF/aug-cc-pVQZ
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 2290 2081 1194.51 61.45 0.73 0.85
2 Σ 633 575 29.73 14.70 0.01 0.02
3 Π 522 474 4.38 0.59 0.75 0.86
3 Π 522 474 4.38 0.59 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1983.6 cm-1
Scaled (by 0.9085) Zero Point Vibrational Energy (zpe) 1802.1 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 HF/aug-cc-pVQZ
B
0.13530

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.038
O2 0.000 0.000 -2.154
Se3 0.000 0.000 0.690

Atom - Atom Distances (Å)
  C1 O2 Se3
C11.11611.7282
O21.11612.8443
Se31.72822.8443

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 HF/aug-cc-pVQZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.144      
2 O -0.372      
3 Se 0.228      


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 0.108 0.108
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.538 0.000 0.000
y 0.000 -29.538 0.000
z 0.000 0.000 -29.234
Traceless
 xyz
x -0.152 0.000 0.000
y 0.000 -0.152 0.000
z 0.000 0.000 0.305
Polar
3z2-r20.609
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 4.775 0.000 0.000
y 0.000 4.775 0.000
z 0.000 0.000 8.407


<r2> (average value of r2) Å2
<r2> 78.170
(<r2>)1/2 8.841