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: MP2=FULL/aug-cc-pCVTZ

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 MP2=FULL/aug-cc-pCVTZ
 hartrees
Energy at 0K-473.181568
Energy at 298.15K 
HF Energy-472.410135
Nuclear repulsion energy45.461120
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 MP2=FULL/aug-cc-pCVTZ
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 1150 1150 43.70 0.07 0.49 0.65

Unscaled Zero Point Vibrational Energy (zpe) 575.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 575.0 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 MP2=FULL/aug-cc-pCVTZ
B
0.71227

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/aug-cc-pCVTZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.497
O2 0.000 0.000 -0.993

Atom - Atom Distances (Å)
  S1 O2
S11.4899
O21.4899

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 MP2=FULL/aug-cc-pCVTZ
 hartrees
Energy at 0K-473.145679
Energy at 298.15K 
HF Energy-472.339483
Nuclear repulsion energy44.745124
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 MP2=FULL/aug-cc-pCVTZ
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 1034 1034 12.31 4.31 0.36 0.52

Unscaled Zero Point Vibrational Energy (zpe) 516.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 516.9 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 MP2=FULL/aug-cc-pCVTZ
B
0.69001

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/aug-cc-pCVTZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.505
O2 0.000 0.000 -1.009

Atom - Atom Distances (Å)
  S1 O2
S11.5138
O21.5138

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