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All results from a given calculation for H2SO4 (Sulfuric acid)

using model chemistry: LSDA/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at LSDA/6-311G*
 hartrees
Energy at 0K-697.849245
Energy at 298.15K-697.854215
Nuclear repulsion energy286.239888
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 LSDA/6-311G*
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 3635 3576 53.55      
2 A 1191 1172 162.11      
3 A 1091 1073 89.71      
4 A 785 772 127.05      
5 A 504 496 63.94      
6 A 431 424 39.39      
7 A 354 348 10.38      
8 A 258 254 89.91      
9 B 3631 3571 151.67      
10 B 1449 1425 268.87      
11 B 1109 1091 91.77      
12 B 849 835 370.76      
13 B 514 505 22.81      
14 B 461 453 67.73      
15 B 322 317 81.36      

Unscaled Zero Point Vibrational Energy (zpe) 8291.3 cm-1
Scaled (by 0.9837) Zero Point Vibrational Energy (zpe) 8156.1 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 LSDA/6-311G*
ABC
0.16516 0.16403 0.15661

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/6-311G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.167
O2 0.000 1.275 0.828
O3 0.000 -1.275 0.828
O4 1.247 -0.057 -0.849
O5 -1.247 0.057 -0.849
H6 -1.464 -0.842 -1.173
H7 1.464 0.842 -1.173

Atom - Atom Distances (Å)
  S1 O2 O3 O4 O5 H6 H7
S11.43631.43631.60971.60972.15592.1559
O21.43632.55032.47832.41923.26042.5171
O31.43632.55032.41922.47832.51713.2604
O41.60972.47832.41922.49742.84120.9796
O51.60972.41922.47832.49740.97962.8412
H62.15593.26042.51712.84120.97963.3772
H72.15592.51713.26040.97962.84123.3772

picture of Sulfuric acid state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 O4 H7 110.355 S1 O5 H6 110.355
O2 S1 O3 125.194 O2 S1 O4 108.768
O2 S1 O5 105.020 O3 S1 O4 105.020
O3 S1 O5 108.768 O4 S1 O5 101.741
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 1.073      
2 O -0.413      
3 O -0.413      
4 O -0.583      
5 O -0.583      
6 H 0.460      
7 H 0.460      


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 -3.339 3.339
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.792 6.124 0.000
y 6.124 -37.278 0.000
z 0.000 0.000 -34.480
Traceless
 xyz
x 3.088 6.124 0.000
y 6.124 -3.642 0.000
z 0.000 0.000 0.554
Polar
3z2-r21.109
x2-y24.486
xy6.124
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.119 0.322 0.000
y 0.322 4.812 0.000
z 0.000 0.000 4.161


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000