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

using model chemistry: mPW1PW91/6-31+G**

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 mPW1PW91/6-31+G**
 hartrees
Energy at 0K-796.365072
Energy at 298.15K-796.365000
HF Energy-796.365072
Nuclear repulsion energy71.012753
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 mPW1PW91/6-31+G**
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 732 697 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 366.0 cm-1
Scaled (by 0.9518) Zero Point Vibrational Energy (zpe) 348.4 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 mPW1PW91/6-31+G**
B
0.28977

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31+G**

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.954
S2 0.000 0.000 -0.954

Atom - Atom Distances (Å)
  S1 S2
S11.9077
S21.9077

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 mPW1PW91/6-31+G** 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 -25.881 0.000 0.000
y 0.000 -25.881 0.000
z 0.000 0.000 -24.857
Traceless
 xyz
x -0.512 0.000 0.000
y 0.000 -0.512 0.000
z 0.000 0.000 1.024
Polar
3z2-r22.047
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 2.853 0.000 0.000
y 0.000 2.853 0.000
z 0.000 0.000 8.336


<r2> (average value of r2) Å2
<r2> 45.065
(<r2>)1/2 6.713

State 2 (1Σ)

Jump to S1C1
Energy calculated at mPW1PW91/6-31+G**
 hartrees
Energy at 0K-796.327045
Energy at 298.15K-796.326970
Nuclear repulsion energy70.938841
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 mPW1PW91/6-31+G**
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 728 693 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 363.8 cm-1
Scaled (by 0.9518) Zero Point Vibrational Energy (zpe) 346.2 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 mPW1PW91/6-31+G**
B
0.28916

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31+G**

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.955
S2 0.000 0.000 -0.955

Atom - Atom Distances (Å)
  S1 S2
S11.9097
S21.9097

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 mPW1PW91/6-31+G** 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 -23.416 0.000 0.000
y 0.000 -28.677 0.000
z 0.000 0.000 -25.040
Traceless
 xyz
x 3.442 0.000 0.000
y 0.000 -4.449 0.000
z 0.000 0.000 1.007
Polar
3z2-r22.014
x2-y25.261
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.559 0.000 0.000
y 0.000 3.254 0.000
z 0.000 0.000 7.609


<r2> (average value of r2) Å2
<r2> 45.233
(<r2>)1/2 6.726