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: B3PW91/6-311G*

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 B3PW91/6-311G*
 hartrees
Energy at 0K-473.314614
Energy at 298.15K 
HF Energy-473.314614
Nuclear repulsion energy44.987341
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 B3PW91/6-311G*
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 1135 1092 5.52      

Unscaled Zero Point Vibrational Energy (zpe) 567.3 cm-1
Scaled (by 0.9627) Zero Point Vibrational Energy (zpe) 546.1 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 B3PW91/6-311G*
B
0.69750

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.502
O2 0.000 0.000 -1.004

Atom - Atom Distances (Å)
  S1 O2
S11.5056
O21.5056

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

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.352      
2 O -0.352      


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 1.705 1.705
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.583 0.000 0.000
y 0.000 -17.583 0.000
z 0.000 0.000 -18.206
Traceless
 xyz
x 0.311 0.000 0.000
y 0.000 0.311 0.000
z 0.000 0.000 -0.622
Polar
3z2-r2-1.245
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 1.472 0.000 0.000
y 0.000 1.472 0.000
z 0.000 0.000 3.637


<r2> (average value of r2) Å2
<r2> 23.202
(<r2>)1/2 4.817

State 2 (1Σ)

Jump to S1C1
Energy calculated at B3PW91/6-311G*
 hartrees
Energy at 0K-473.266386
Energy at 298.15K 
HF Energy-473.266386
Nuclear repulsion energy44.975837
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 B3PW91/6-311G*
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 1134 1091 11.73      

Unscaled Zero Point Vibrational Energy (zpe) 566.8 cm-1
Scaled (by 0.9627) Zero Point Vibrational Energy (zpe) 545.7 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 B3PW91/6-311G*
B
0.69714

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.502
O2 0.000 0.000 -1.004

Atom - Atom Distances (Å)
  S1 O2
S11.5060
O21.5060

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

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.356      
2 O -0.356      


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 1.702 1.702
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.836 0.000 0.000
y 0.000 -15.660 0.000
z 0.000 0.000 -18.276
Traceless
 xyz
x -2.868 0.000 0.000
y 0.000 3.396 0.000
z 0.000 0.000 -0.528
Polar
3z2-r2-1.056
x2-y2-4.176
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.442 0.000 0.000
y 0.000 1.445 0.000
z 0.000 0.000 3.359


<r2> (average value of r2) Å2
<r2> 23.292
(<r2>)1/2 4.826