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

using model chemistry: HF/3-21G*

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/3-21G*
 hartrees
Energy at 0K-791.330353
Energy at 298.15K-791.330313
HF Energy-791.330353
Nuclear repulsion energy72.531811
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/3-21G*
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 825 745 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 412.6 cm-1
Scaled (by 0.9026) Zero Point Vibrational Energy (zpe) 372.5 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 HF/3-21G*
B
0.30229

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/3-21G*

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.934
S2 0.000 0.000 -0.934

Atom - Atom Distances (Å)
  S1 S2
S11.8677
S21.8677

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/3-21G* 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 0.000 0.000 0.000 0.000
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.238 0.000 0.000
y 0.000 -26.238 0.000
z 0.000 0.000 -25.393
Traceless
 xyz
x -0.422 0.000 0.000
y 0.000 -0.422 0.000
z 0.000 0.000 0.845
Polar
3z2-r21.690
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 2.062 0.000 0.000
y 0.000 2.062 0.000
z 0.000 0.000 8.713


<r2> (average value of r2) Å2
<r2> 44.119
(<r2>)1/2 6.642

State 2 (1Σ)

Jump to S1C1
Energy calculated at HF/3-21G*
 hartrees
Energy at 0K-791.277964
Energy at 298.15K-791.277923
Nuclear repulsion energy72.483981
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/3-21G*
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 822 742 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 411.1 cm-1
Scaled (by 0.9026) Zero Point Vibrational Energy (zpe) 371.1 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 HF/3-21G*
B
0.30190

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/3-21G*

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.934
S2 0.000 0.000 -0.934

Atom - Atom Distances (Å)
  S1 S2
S11.8690
S21.8690

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/3-21G* 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 -28.852 0.000 0.000
y 0.000 -23.838 0.000
z 0.000 0.000 -25.411
Traceless
 xyz
x -4.227 0.000 0.000
y 0.000 3.294 0.000
z 0.000 0.000 0.934
Polar
3z2-r21.867
x2-y2-5.014
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.926 0.000 0.000
y 0.000 2.090 0.000
z 0.000 0.000 7.328


<r2> (average value of r2) Å2
<r2> 44.204
(<r2>)1/2 6.649