return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for SeO (Selenium monoxide)

using model chemistry: CISD/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C*V 3Σ
2 1 yes C*V 1?

State 1 (3Σ)

Jump to S2C1
Energy calculated at CISD/6-31G
 hartrees
Energy at 0K-2472.293760
Energy at 298.15K 
HF Energy-2472.120462
Nuclear repulsion energy83.597509
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 CISD/6-31G
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 900 844 9.77      

Unscaled Zero Point Vibrational Energy (zpe) 449.9 cm-1
Scaled (by 0.9378) Zero Point Vibrational Energy (zpe) 421.9 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 CISD/6-31G
B
0.42667

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/6-31G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Se1 0.000 0.000 0.328
O2 0.000 0.000 -1.394

Atom - Atom Distances (Å)
  Se1 O2
Se11.7218
O21.7218

picture of Selenium monoxide state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

State 2 (1?)

Jump to S1C1
Energy calculated at CISD/6-31G
 hartrees
Energy at 0K-2472.255228
Energy at 298.15K-2472.252716
Nuclear repulsion energy82.571298
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 CISD/6-31G
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 800 750 0.08      

Unscaled Zero Point Vibrational Energy (zpe) 400.0 cm-1
Scaled (by 0.9378) Zero Point Vibrational Energy (zpe) 375.1 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 CISD/6-31G
B
0.41626

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/6-31G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Se1 0.000 0.000 0.332
O2 0.000 0.000 -1.411

Atom - Atom Distances (Å)
  Se1 O2
Se11.7432
O21.7432

picture of Selenium monoxide state 2 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability