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All results from a given calculation for H2S2 (Disulfane)

using model chemistry: M06-2X/aug-cc-pCVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at M06-2X/aug-cc-pCVTZ
 hartrees
Energy at 0K-797.592562
Energy at 298.15K 
HF Energy-797.592562
Nuclear repulsion energy85.224806
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 M06-2X/aug-cc-pCVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A 2636 2636 0.00      
2 A 877 877 0.14      
3 A 534 534 0.00      
4 A 301 301 13.71      
5 B 2637 2637 1.06      
6 B 867 867 5.82      

Unscaled Zero Point Vibrational Energy (zpe) 3925.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 3925.9 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 M06-2X/aug-cc-pCVTZ
ABC
4.93262 0.23359 0.23295

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/aug-cc-pCVTZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 1.027 -0.053
S2 0.000 -1.027 -0.053
H3 0.968 1.219 0.854
H4 -0.968 -1.219 0.854

Atom - Atom Distances (Å)
  S1 S2 H3 H4
S12.05461.34102.6087
S22.05462.60871.3410
H31.34102.60873.1131
H42.60871.34103.1131

picture of Disulfane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S2 H4 98.201 S2 S1 H3 98.201
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/aug-cc-pCVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.233      
2 S -0.233      
3 H 0.233      
4 H 0.233      


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 1.110 1.110
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.755 2.062 0.000
y 2.062 -26.184 0.000
z 0.000 0.000 -27.311
Traceless
 xyz
x -0.008 2.062 0.000
y 2.062 0.849 0.000
z 0.000 0.000 -0.842
Polar
3z2-r2-1.683
x2-y2-0.571
xy2.062
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.720 0.349 0.000
y 0.349 8.427 0.000
z 0.000 0.000 5.668


<r2> (average value of r2) Å2
<r2> 56.874
(<r2>)1/2 7.541