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

using model chemistry: B3LYP/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 B3LYP/3-21G*
 hartrees
Energy at 0K-792.659838
Energy at 298.15K-792.659758
HF Energy-792.659838
Nuclear repulsion energy70.831394
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 B3LYP/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 715 688 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 357.5 cm-1
Scaled (by 0.962) Zero Point Vibrational Energy (zpe) 343.9 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 B3LYP/3-21G*
B
0.28829

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G*

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.956
S2 0.000 0.000 -0.956

Atom - Atom Distances (Å)
  S1 S2
S11.9126
S21.9126

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 B3LYP/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 -25.862 0.000 0.000
y 0.000 -25.862 0.000
z 0.000 0.000 -24.752
Traceless
 xyz
x -0.555 0.000 0.000
y 0.000 -0.555 0.000
z 0.000 0.000 1.110
Polar
3z2-r22.220
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 2.070 0.000 0.000
y 0.000 2.070 0.000
z 0.000 0.000 7.453


<r2> (average value of r2) Å2
<r2> 45.185
(<r2>)1/2 6.722

State 2 (1Σ)

Jump to S1C1
Energy calculated at B3LYP/3-21G*
 hartrees
Energy at 0K-792.622846
Energy at 298.15K-792.622763
Nuclear repulsion energy70.736636
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 B3LYP/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 710 683 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 354.9 cm-1
Scaled (by 0.962) Zero Point Vibrational Energy (zpe) 341.5 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 B3LYP/3-21G*
B
0.28752

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G*

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.958
S2 0.000 0.000 -0.958

Atom - Atom Distances (Å)
  S1 S2
S11.9151
S21.9151

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 B3LYP/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 -28.423 0.000 0.000
y 0.000 -23.453 0.000
z 0.000 0.000 -24.784
Traceless
 xyz
x -4.304 0.000 0.000
y 0.000 3.150 0.000
z 0.000 0.000 1.153
Polar
3z2-r22.307
x2-y2-4.970
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.958 0.000 0.000
y 0.000 2.114 0.000
z 0.000 0.000 6.913


<r2> (average value of r2) Å2
<r2> 45.302
(<r2>)1/2 6.731