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

using model chemistry: PBEPBE/6-31G*

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 PBEPBE/6-31G*
 hartrees
Energy at 0K-795.992904
Energy at 298.15K-795.992808
HF Energy-795.992904
Nuclear repulsion energy69.989607
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/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 Σg 684 674 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 342.0 cm-1
Scaled (by 0.9857) Zero Point Vibrational Energy (zpe) 337.1 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 PBEPBE/6-31G*
B
0.28148

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

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.968
S2 0.000 0.000 -0.968

Atom - Atom Distances (Å)
  S1 S2
S11.9356
S21.9356

picture of Sulfur diatomic state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G* 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 -25.787 0.000 0.000
y 0.000 -25.787 0.000
z 0.000 0.000 -24.596
Traceless
 xyz
x -0.596 0.000 0.000
y 0.000 -0.596 0.000
z 0.000 0.000 1.191
Polar
3z2-r22.383
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 2.301 0.000 0.000
y 0.000 2.301 0.000
z 0.000 0.000 7.803


<r2> (average value of r2) Å2
<r2> 45.830
(<r2>)1/2 6.770

State 2 (1Σ)

Jump to S1C1
Energy calculated at PBEPBE/6-31G*
 hartrees
Energy at 0K-795.956060
Energy at 298.15K-795.955961
Nuclear repulsion energy69.870969
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/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 Σg 678 669 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 339.2 cm-1
Scaled (by 0.9857) Zero Point Vibrational Energy (zpe) 334.4 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/6-31G*
B
0.28052

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

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.969
S2 0.000 0.000 -0.969

Atom - Atom Distances (Å)
  S1 S2
S11.9389
S21.9389

picture of Sulfur diatomic state 2 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G* 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 -23.330 0.000 0.000
y 0.000 -28.434 0.000
z 0.000 0.000 -24.653
Traceless
 xyz
x 3.214 0.000 0.000
y 0.000 -4.443 0.000
z 0.000 0.000 1.230
Polar
3z2-r22.459
x2-y25.105
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.253 0.000 0.000
y 0.000 2.301 0.000
z 0.000 0.000 7.191


<r2> (average value of r2) Å2
<r2> 45.983
(<r2>)1/2 6.781