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All results from a given calculation for SO (Sulfur monoxide)

using model chemistry: CCD/3-21G*

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 CCD/3-21G*
 hartrees
Energy at 0K-470.309847
Energy at 298.15K-470.309841
HF Energy-470.072672
Nuclear repulsion energy44.286176
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/3-21G*
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 1125 1076 4.29      

Unscaled Zero Point Vibrational Energy (zpe) 562.3 cm-1
Scaled (by 0.9565) Zero Point Vibrational Energy (zpe) 537.8 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/3-21G*
B
0.67593

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/3-21G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.510
O2 0.000 0.000 -1.020

Atom - Atom Distances (Å)
  S1 O2
S11.5295
O21.5295

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 CCD/3-21G*
 hartrees
Energy at 0K-470.271295
Energy at 298.15K 
HF Energy-470.005053
Nuclear repulsion energy43.745136
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/3-21G*
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 1026 981 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 513.0 cm-1
Scaled (by 0.9565) Zero Point Vibrational Energy (zpe) 490.7 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/3-21G*
B
0.65951

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/3-21G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.516
O2 0.000 0.000 -1.032

Atom - Atom Distances (Å)
  S1 O2
S11.5484
O21.5484

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