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All results from a given calculation for H2S2 (Disulfane)

using model chemistry: B3LYPultrafine/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at B3LYPultrafine/TZVP
 hartrees
Energy at 0K-797.629397
Energy at 298.15K-797.631455
HF Energy-797.629397
Nuclear repulsion energy83.257964
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 B3LYPultrafine/TZVP
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 2617 2521 5.90      
2 A 881 849 0.12      
3 A 487 469 0.14      
4 A 424 408 18.23      
5 B 2619 2523 9.26      
6 B 880 848 6.26      

Unscaled Zero Point Vibrational Energy (zpe) 3953.6 cm-1
Scaled (by 0.9634) Zero Point Vibrational Energy (zpe) 3808.9 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 B3LYPultrafine/TZVP
ABC
4.82862 0.22164 0.22159

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/TZVP

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 1.055 -0.055
S2 0.000 -1.055 -0.055
H3 0.953 1.246 0.888
H4 -0.953 -1.246 0.888

Atom - Atom Distances (Å)
  S1 S2 H3 H4
S12.10921.35462.6627
S22.10922.66271.3546
H31.35462.66273.1375
H42.66271.35463.1375

picture of Disulfane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S2 H4 98.113 S2 S1 H3 98.113
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.104      
2 S -0.104      
3 H 0.104      
4 H 0.104      


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 1.444 1.444
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.998 2.358 0.000
y 2.358 -26.392 0.000
z 0.000 0.000 -27.258
Traceless
 xyz
x -0.173 2.358 0.000
y 2.358 0.736 0.000
z 0.000 0.000 -0.563
Polar
3z2-r2-1.126
x2-y2-0.606
xy2.358
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.748 0.429 0.000
y 0.429 6.960 0.000
z 0.000 0.000 3.708


<r2> (average value of r2) Å2
<r2> 58.975
(<r2>)1/2 7.680