return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: B3LYP/aug-cc-pVDZ

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/aug-cc-pVDZ
 hartrees
Energy at 0K-796.410899
Energy at 298.15K-796.410815
HF Energy-796.410899
Nuclear repulsion energy70.056070
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/aug-cc-pVDZ
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 701 680 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 350.3 cm-1
Scaled (by 0.9704) Zero Point Vibrational Energy (zpe) 339.9 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/aug-cc-pVDZ
B
0.28201

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/aug-cc-pVDZ

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.967
S2 0.000 0.000 -0.967

Atom - Atom Distances (Å)
  S1 S2
S11.9337
S21.9337

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/aug-cc-pVDZ 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 -26.210 0.000 0.000
y 0.000 -26.210 0.000
z 0.000 0.000 -24.087
Traceless
 xyz
x -1.061 0.000 0.000
y 0.000 -1.061 0.000
z 0.000 0.000 2.123
Polar
3z2-r24.246
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 4.499 0.000 0.000
y 0.000 4.499 0.000
z 0.000 0.000 8.830


<r2> (average value of r2) Å2
<r2> 45.843
(<r2>)1/2 6.771

State 2 (1Σ)

Jump to S1C1
Energy calculated at B3LYP/aug-cc-pVDZ
 hartrees
Energy at 0K-796.374628
Energy at 298.15K-796.374542
Nuclear repulsion energy69.999282
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/aug-cc-pVDZ
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 697 676 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 348.3 cm-1
Scaled (by 0.9704) Zero Point Vibrational Energy (zpe) 338.0 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/aug-cc-pVDZ
B
0.28155

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/aug-cc-pVDZ

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
S11.9353
S21.9353

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/aug-cc-pVDZ 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 -28.968 0.000 0.000
y 0.000 -23.777 0.000
z 0.000 0.000 -24.378
Traceless
 xyz
x -4.890 0.000 0.000
y 0.000 2.896 0.000
z 0.000 0.000 1.994
Polar
3z2-r23.989
x2-y2-5.191
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.923 0.000 0.000
y 0.000 4.205 0.000
z 0.000 0.000 8.458


<r2> (average value of r2) Å2
<r2> 46.020
(<r2>)1/2 6.784