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: BLYP/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 BLYP/6-31G*
 hartrees
Energy at 0K-473.337123
Energy at 298.15K 
HF Energy-473.337123
Nuclear repulsion energy43.854895
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 BLYP/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 1037 1028 2.29 20.30 0.35 0.51

Unscaled Zero Point Vibrational Energy (zpe) 518.3 cm-1
Scaled (by 0.9919) Zero Point Vibrational Energy (zpe) 514.1 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 BLYP/6-31G*
B
0.66283

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.515
O2 0.000 0.000 -1.030

Atom - Atom Distances (Å)
  S1 O2
S11.5445
O21.5445

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 BLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.332      
2 O -0.332      


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 1.420 1.420
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.467 0.000 0.000
y 0.000 -17.467 0.000
z 0.000 0.000 -17.770
Traceless
 xyz
x 0.152 0.000 0.000
y 0.000 0.152 0.000
z 0.000 0.000 -0.303
Polar
3z2-r2-0.607
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 1.609 0.000 0.000
y 0.000 1.609 0.000
z 0.000 0.000 3.580


<r2> (average value of r2) Å2
<r2> 23.695
(<r2>)1/2 4.868

State 2 (1Σ)

Jump to S1C1
Energy calculated at BLYP/6-31G*
 hartrees
Energy at 0K-473.292590
Energy at 298.15K 
HF Energy-473.292590
Nuclear repulsion energy43.834735
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 BLYP/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 1034 1026 5.68 15.53 0.36 0.52

Unscaled Zero Point Vibrational Energy (zpe) 516.9 cm-1
Scaled (by 0.9919) Zero Point Vibrational Energy (zpe) 512.8 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 BLYP/6-31G*
B
0.66222

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.515
O2 0.000 0.000 -1.030

Atom - Atom Distances (Å)
  S1 O2
S11.5452
O21.5452

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 BLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.341      
2 O -0.341      


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 1.465 1.465
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.485 0.000 0.000
y 0.000 -15.589 0.000
z 0.000 0.000 -17.834
Traceless
 xyz
x -2.774 0.000 0.000
y 0.000 3.070 0.000
z 0.000 0.000 -0.296
Polar
3z2-r2-0.593
x2-y2-3.896
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.609 0.000 0.000
y 0.000 1.609 0.000
z 0.000 0.000 3.580


<r2> (average value of r2) Å2
<r2> 23.750
(<r2>)1/2 4.873