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: B1B95/6-31G**

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 B1B95/6-31G**
 hartrees
Energy at 0K-473.361655
Energy at 298.15K 
HF Energy-473.361655
Nuclear repulsion energy45.029991
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 B1B95/6-31G**
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 1169 1117 4.20 26.41 0.34 0.51

Unscaled Zero Point Vibrational Energy (zpe) 584.7 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 558.2 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 B1B95/6-31G**
B
0.69882

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G**

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.501
O2 0.000 0.000 -1.003

Atom - Atom Distances (Å)
  S1 O2
S11.5042
O21.5042

picture of Sulfur monoxide state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.360      
2 O -0.360      


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 1.547 1.547
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.316 0.000 0.000
y 0.000 -17.316 0.000
z 0.000 0.000 -17.755
Traceless
 xyz
x 0.220 0.000 0.000
y 0.000 0.220 0.000
z 0.000 0.000 -0.439
Polar
3z2-r2-0.878
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 1.588 0.000 0.000
y 0.000 1.588 0.000
z 0.000 0.000 3.500


<r2> (average value of r2) Å2
<r2> 22.974
(<r2>)1/2 4.793

State 2 (1Σ)

Jump to S1C1
Energy calculated at B1B95/6-31G**
 hartrees
Energy at 0K-473.314640
Energy at 298.15K 
HF Energy-473.314640
Nuclear repulsion energy45.052127
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 B1B95/6-31G**
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 1172 1119 9.90 18.34 0.35 0.52

Unscaled Zero Point Vibrational Energy (zpe) 586.0 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 559.5 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 B1B95/6-31G**
B
0.69951

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G**

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.501
O2 0.000 0.000 -1.002

Atom - Atom Distances (Å)
  S1 O2
S11.5035
O21.5035

picture of Sulfur monoxide state 2 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.369      
2 O -0.369      


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 1.582 1.582
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.364 0.000 0.000
y 0.000 -15.434 0.000
z 0.000 0.000 -17.817
Traceless
 xyz
x -2.738 0.000 0.000
y 0.000 3.156 0.000
z 0.000 0.000 -0.418
Polar
3z2-r2-0.835
x2-y2-3.929
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.611 0.000 0.000
y 0.000 1.527 0.000
z 0.000 0.000 3.247


<r2> (average value of r2) Å2
<r2> 23.010
(<r2>)1/2 4.797