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

using model chemistry: B2PLYP=FULLultrafine/3-21G

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 B2PLYP=FULLultrafine/3-21G
 hartrees
Energy at 0K-2502.337730
Energy at 298.15K 
HF Energy-2502.232864
Nuclear repulsion energy132.460630
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 B2PLYP=FULLultrafine/3-21G
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 1979 1979 427.62 16.59 0.22 0.36
2 Σ 638 638 2.35 13.33 0.37 0.54
3 Π 486 486 1.81 2.26 0.75 0.86
3 Π 486 486 1.81 2.26 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1794.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1794.6 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 B2PLYP=FULLultrafine/3-21G
B
0.12852

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/3-21G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.039
O2 0.000 0.000 -2.223
Se3 0.000 0.000 0.706

Atom - Atom Distances (Å)
  C1 O2 Se3
C11.18361.7452
O21.18362.9288
Se31.74522.9288

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