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All results from a given calculation for H2S2 (Disulfane)

using model chemistry: BLYP/cc-pV(D+d)Z

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at BLYP/cc-pV(D+d)Z
 hartrees
Energy at 0K-797.580027
Energy at 298.15K 
HF Energy-797.580027
Nuclear repulsion energy83.114806
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 BLYP/cc-pV(D+d)Z
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 2515 2515 8.96      
2 A 845 845 0.02      
3 A 464 464 0.62      
4 A 427 427 11.90      
5 B 2518 2518 17.87      
6 B 853 853 9.03      

Unscaled Zero Point Vibrational Energy (zpe) 3810.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 3810.6 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 BLYP/cc-pV(D+d)Z
ABC
4.72473 0.22166 0.22166

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/cc-pV(D+d)Z

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 1.054 -0.056
S2 0.000 -1.054 -0.056
H3 0.962 1.259 0.899
H4 -0.962 -1.259 0.899

Atom - Atom Distances (Å)
  S1 S2 H3 H4
S12.10731.37152.6810
S22.10732.68101.3715
H31.37152.68103.1693
H42.68101.37153.1693

picture of Disulfane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S2 H4 98.616 S2 S1 H3 98.616
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/cc-pV(D+d)Z Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.081      
2 S -0.081      
3 H 0.081      
4 H 0.081      


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 1.228 1.228
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.619 2.017 0.000
y 2.017 -25.635 0.000
z 0.000 0.000 -26.812
Traceless
 xyz
x -0.395 2.017 0.000
y 2.017 1.080 0.000
z 0.000 0.000 -0.685
Polar
3z2-r2-1.369
x2-y2-0.984
xy2.017
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.659 0.573 0.000
y 0.573 6.815 0.000
z 0.000 0.000 3.596


<r2> (average value of r2) Å2
<r2> 58.729
(<r2>)1/2 7.663