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: CCD/6-311G**

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 CCD/6-311G**
 hartrees
Energy at 0K-2474.927754
Energy at 298.15K 
HF Energy-2474.620211
Nuclear repulsion energy87.566346
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 CCD/6-311G**
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 948 905 22.63      

Unscaled Zero Point Vibrational Energy (zpe) 473.8 cm-1
Scaled (by 0.9551) Zero Point Vibrational Energy (zpe) 452.5 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 CCD/6-311G**
B
0.46815

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-311G**

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Se1 0.000 0.000 0.313
O2 0.000 0.000 -1.331

Atom - Atom Distances (Å)
  Se1 O2
Se11.6437
O21.6437

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 CCD/6-311G**
 hartrees
Energy at 0K-2474.891127
Energy at 298.15K-2474.888640
Nuclear repulsion energy86.720869
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 CCD/6-311G**
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 880 840 1.26      

Unscaled Zero Point Vibrational Energy (zpe) 439.7 cm-1
Scaled (by 0.9551) Zero Point Vibrational Energy (zpe) 420.0 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 CCD/6-311G**
B
0.45915

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-311G**

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Se1 0.000 0.000 0.316
O2 0.000 0.000 -1.344

Atom - Atom Distances (Å)
  Se1 O2
Se11.6598
O21.6598

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