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All results from a given calculation for S2 (Sulfur diatomic)

using model chemistry: HF/CEP-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D*H 3Σg
2 1 yes D*H 1Σ

State 1 (3Σg)

Jump to S2C1
Energy calculated at HF/CEP-31G*
 hartrees
Energy at 0K-19.874725
Energy at 298.15K-19.874680
HF Energy-19.874725
Nuclear repulsion energy10.068490
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 HF/CEP-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 Σg 812 729 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 406.1 cm-1
Scaled (by 0.898) Zero Point Vibrational Energy (zpe) 364.7 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 HF/CEP-31G*
B
0.29456

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

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.946
S2 0.000 0.000 -0.946

Atom - Atom Distances (Å)
  S1 S2
S11.8921
S21.8921

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

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.000      
2 S 0.000      


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 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.552 0.000 0.000
y 0.000 -24.552 0.000
z 0.000 0.000 -23.172
Traceless
 xyz
x -0.690 0.000 0.000
y 0.000 -0.690 0.000
z 0.000 0.000 1.380
Polar
3z2-r22.760
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 1.866 0.000 0.000
y 0.000 1.866 0.000
z 0.000 0.000 9.374


<r2> (average value of r2) Å2
<r2> 25.787
(<r2>)1/2 5.078

State 2 (1Σ)

Jump to S1C1
Energy calculated at HF/CEP-31G*
 hartrees
Energy at 0K-19.820379
Energy at 298.15K-19.820334
Nuclear repulsion energy10.071780
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 HF/CEP-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 Σg 812 729 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 406.0 cm-1
Scaled (by 0.898) Zero Point Vibrational Energy (zpe) 364.6 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 HF/CEP-31G*
B
0.29475

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

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.946
S2 0.000 0.000 -0.946

Atom - Atom Distances (Å)
  S1 S2
S11.8915
S21.8915

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

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.000      
2 S 0.000      


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 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.116 0.000 0.000
y 0.000 -27.319 0.000
z 0.000 0.000 -23.309
Traceless
 xyz
x 3.198 0.000 0.000
y 0.000 -4.606 0.000
z 0.000 0.000 1.408
Polar
3z2-r22.816
x2-y25.203
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.992 0.000 0.000
y 0.000 1.636 0.000
z 0.000 0.000 7.750


<r2> (average value of r2) Å2
<r2> 25.878
(<r2>)1/2 5.087