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 SO (Sulfur monoxide)

using model chemistry: CCSD(T)/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 1Σ

State 1 (3Σ)

Jump to S2C1
Energy calculated at CCSD(T)/6-31G*
 hartrees
Energy at 0K-472.633683
Energy at 298.15K-472.633673
HF Energy-472.324262
Nuclear repulsion energy44.492611
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 CCSD(T)/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 1102 1060        

Unscaled Zero Point Vibrational Energy (zpe) 550.8 cm-1
Scaled (by 0.9621) Zero Point Vibrational Energy (zpe) 530.0 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 CCSD(T)/6-31G*
B
0.68212

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/6-31G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.508
O2 0.000 0.000 -1.015

Atom - Atom Distances (Å)
  S1 O2
S11.5225
O21.5225

picture of Sulfur monoxide state 1 conformation 1
More geometry information
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability

State 2 (1Σ)

Jump to S1C1
Energy calculated at CCSD(T)/6-31G*
 hartrees
Energy at 0K-472.596071
Energy at 298.15K 
HF Energy-472.255626
Nuclear repulsion energy43.975246
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 CCSD(T)/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 1029 990        

Unscaled Zero Point Vibrational Energy (zpe) 514.4 cm-1
Scaled (by 0.9621) Zero Point Vibrational Energy (zpe) 494.9 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 CCSD(T)/6-31G*
B
0.66661

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/6-31G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.513
O2 0.000 0.000 -1.027

Atom - Atom Distances (Å)
  S1 O2
S11.5401
O21.5401

picture of Sulfur monoxide state 2 conformation 1
More geometry information
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability