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

using model chemistry: HSEh1PBE/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at HSEh1PBE/6-31+G**
 hartrees
Energy at 0K-699.820788
Energy at 298.15K-699.825798
HF Energy-699.820788
Nuclear repulsion energy285.926623
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 HSEh1PBE/6-31+G**
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 3813 3641 59.34      
2 A 1203 1148 186.09      
3 A 1143 1092 77.30      
4 A 806 769 116.02      
5 A 521 498 50.82      
6 A 423 403 26.10      
7 A 357 341 5.14      
8 A 251 240 98.93      
9 B 3809 3637 215.88      
10 B 1452 1386 316.85      
11 B 1157 1105 95.85      
12 B 864 825 353.60      
13 B 527 504 29.44      
14 B 472 450 50.75      
15 B 320 305 68.22      

Unscaled Zero Point Vibrational Energy (zpe) 8558.6 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 8171.7 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 HSEh1PBE/6-31+G**
ABC
0.16503 0.16292 0.15643

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31+G**

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.163
O2 0.000 1.274 0.833
O3 0.000 -1.274 0.833
O4 1.250 -0.049 -0.854
O5 -1.250 0.049 -0.854
H6 -1.457 -0.855 -1.138
H7 1.457 0.855 -1.138

Atom - Atom Distances (Å)
  S1 O2 O3 O4 O5 H6 H7
S11.43971.43971.61221.61222.13212.1321
O21.43972.54872.48202.43083.24672.4865
O31.43972.54872.43082.48202.48653.2467
O41.61222.48202.43082.50202.83830.9702
O51.61222.43082.48202.50200.97022.8383
H62.13213.24672.48652.83830.97023.3781
H72.13212.48653.24670.97022.83833.3781

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 108.750 S1 O5 H6 108.750
O2 S1 O3 124.537 O2 S1 O4 108.698
O2 S1 O5 105.454 O3 S1 O4 105.454
O3 S1 O5 108.698 O4 S1 O5 101.783
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 1.568      
2 O -0.574      
3 O -0.574      
4 O -0.608      
5 O -0.608      
6 H 0.399      
7 H 0.399      


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 -3.202 3.202
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.727 5.680 0.000
y 5.680 -37.252 0.000
z 0.000 0.000 -34.994
Traceless
 xyz
x 3.396 5.680 0.000
y 5.680 -3.391 0.000
z 0.000 0.000 -0.005
Polar
3z2-r2-0.010
x2-y24.524
xy5.680
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.761 0.176 0.000
y 0.176 5.388 0.000
z 0.000 0.000 4.810


<r2> (average value of r2) Å2
<r2> 104.367
(<r2>)1/2 10.216