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

using model chemistry: MP2=FULL/6-31+G**

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 MP2=FULL/6-31+G**
 hartrees
Energy at 0K-2510.808479
Energy at 298.15K 
HF Energy-2510.341693
Nuclear repulsion energy135.553362
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 MP2=FULL/6-31+G**
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 2049 1924 656.18      
2 Σ 720 676 3.72      
3 Π 522 491 0.24      
3 Π 522 491 0.24      

Unscaled Zero Point Vibrational Energy (zpe) 1906.8 cm-1
Scaled (by 0.9392) Zero Point Vibrational Energy (zpe) 1790.9 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 MP2=FULL/6-31+G**
B
0.13440

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31+G**

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.001
O2 0.000 0.000 -2.180
Se3 0.000 0.000 0.690

Atom - Atom Distances (Å)
  C1 O2 Se3
C11.17931.6905
O21.17932.8698
Se31.69052.8698

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