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All results from a given calculation for H2S2 (Disulfane)

using model chemistry: SVWN/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 SVWN/cc-pCVTZ
 hartrees
Energy at 0K-795.575659
Energy at 298.15K-795.577772
HF Energy-795.575659
Nuclear repulsion energy85.547001
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 SVWN/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 2557 2557 0.42      
2 A 860 860 0.00      
3 A 528 528 0.15      
4 A 457 457 14.07      
5 B 2561 2561 4.52      
6 B 859 859 7.27      

Unscaled Zero Point Vibrational Energy (zpe) 3910.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 3910.6 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 SVWN/cc-pCVTZ
ABC
4.81156 0.23650 0.23639

See section I.F.4 to change rotational constant units
Geometric Data calculated at SVWN/cc-pCVTZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 1.019 -0.055
S2 0.000 -1.019 -0.055
H3 0.958 1.227 0.887
H4 -0.958 -1.227 0.887

Atom - Atom Distances (Å)
  S1 S2 H3 H4
S12.03851.36002.6175
S22.03852.61751.3600
H31.36002.61753.1132
H42.61751.36003.1132

picture of Disulfane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S2 H4 98.778 S2 S1 H3 98.778
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at SVWN/cc-pCVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.142      
2 S -0.142      
3 H 0.142      
4 H 0.142      


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 1.249 1.249
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.705 2.090 0.000
y 2.090 -25.954 0.000
z 0.000 0.000 -26.962
Traceless
 xyz
x -0.247 2.090 0.000
y 2.090 0.880 0.000
z 0.000 0.000 -0.633
Polar
3z2-r2-1.266
x2-y2-0.751
xy2.090
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.558 0.457 0.000
y 0.457 7.525 0.000
z 0.000 0.000 4.506


<r2> (average value of r2) Å2
<r2> 56.338
(<r2>)1/2 7.506