return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
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All results from a given calculation for SO (Sulfur monoxide)

using model chemistry: CCSD(T)=FULL/6-311+G(3df,2p)

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)=FULL/6-311+G(3df,2p)
 hartrees
Energy at 0K-472.994981
Energy at 298.15K 
HF Energy-472.399978
Nuclear repulsion energy45.573161
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)=FULL/6-311+G(3df,2p)
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 1157 1157        

Unscaled Zero Point Vibrational Energy (zpe) 578.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 578.4 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)=FULL/6-311+G(3df,2p)
B
0.71565

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)=FULL/6-311+G(3df,2p)

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.495
O2 0.000 0.000 -0.991

Atom - Atom Distances (Å)
  S1 O2
S11.4864
O21.4864

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

State 2 (1Σ)

Jump to S1C1
Energy calculated at CCSD(T)=FULL/6-311+G(3df,2p)
 hartrees
Energy at 0K-472.957590
Energy at 298.15K 
HF Energy-472.330897
Nuclear repulsion energy45.183666
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)=FULL/6-311+G(3df,2p)
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 1099 1099        

Unscaled Zero Point Vibrational Energy (zpe) 549.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 549.6 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 CCSD(T)=FULL/6-311+G(3df,2p)
B
0.70375

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)=FULL/6-311+G(3df,2p)

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.500
O2 0.000 0.000 -0.999

Atom - Atom Distances (Å)
  S1 O2
S11.4989
O21.4989

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