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: PBEPBE/cc-pVTZ

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 PBEPBE/cc-pVTZ
 hartrees
Energy at 0K-473.168793
Energy at 298.15K 
HF Energy-473.168793
Nuclear repulsion energy44.695318
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 PBEPBE/cc-pVTZ
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 1100 1093 9.58 22.21 0.30 0.46

Unscaled Zero Point Vibrational Energy (zpe) 550.2 cm-1
Scaled (by 0.9931) Zero Point Vibrational Energy (zpe) 546.4 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 PBEPBE/cc-pVTZ
B
0.68847

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/cc-pVTZ

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 -1.010

Atom - Atom Distances (Å)
  S1 O2
S11.5155
O21.5155

picture of Sulfur monoxide state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.265      
2 O -0.265      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 1.436 1.436
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.525 0.000 0.000
y 0.000 -17.525 0.000
z 0.000 0.000 -18.007
Traceless
 xyz
x 0.241 0.000 0.000
y 0.000 0.241 0.000
z 0.000 0.000 -0.482
Polar
3z2-r2-0.964
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.091 0.000 0.000
y 0.000 2.091 0.000
z 0.000 0.000 3.869


<r2> (average value of r2) Å2
<r2> 23.295
(<r2>)1/2 4.827

State 2 (1Σ)

Jump to S1C1
Energy calculated at PBEPBE/cc-pVTZ
 hartrees
Energy at 0K-473.122922
Energy at 298.15K 
HF Energy-473.122922
Nuclear repulsion energy44.605484
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 PBEPBE/cc-pVTZ
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 1094 1086 13.90 16.13 0.30 0.46

Unscaled Zero Point Vibrational Energy (zpe) 546.7 cm-1
Scaled (by 0.9931) Zero Point Vibrational Energy (zpe) 543.0 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 PBEPBE/cc-pVTZ
B
0.68571

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/cc-pVTZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.506
O2 0.000 0.000 -1.012

Atom - Atom Distances (Å)
  S1 O2
S11.5185
O21.5185

picture of Sulfur monoxide state 2 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.263      
2 O -0.263      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 1.396 1.396
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.621 0.000 0.000
y 0.000 -15.715 0.000
z 0.000 0.000 -18.056
Traceless
 xyz
x -2.735 0.000 0.000
y 0.000 3.123 0.000
z 0.000 0.000 -0.388
Polar
3z2-r2-0.776
x2-y2-3.905
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.091 0.000 0.000
y 0.000 2.091 0.000
z 0.000 0.000 3.869


<r2> (average value of r2) Å2
<r2> 23.414
(<r2>)1/2 4.839