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

using model chemistry: B97D3/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B97D3/6-31G*
 hartrees
Energy at 0K-700.048320
Energy at 298.15K-700.053050
HF Energy-700.048320
Nuclear repulsion energy 
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 B97D3/6-31G*
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 3614 3543 35.54      
2 A 1160 1137 6.97      
3 A 1141 1119 216.54      
4 A 728 714 109.46      
5 A 487 478 34.26      
6 A 399 391 27.25      
7 A 333 326 8.48      
8 A 222 218 86.65      
9 B 3611 3540 123.17      
10 B 1408 1380 237.93      
11 B 1163 1140 92.11      
12 B 794 779 308.54      
13 B 486 476 14.12      
14 B 446 437 44.14      
15 B 293 287 63.60      

Unscaled Zero Point Vibrational Energy (zpe) 8141.9 cm-1
Scaled (by 0.9804) Zero Point Vibrational Energy (zpe) 7982.3 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 B97D3/6-31G*
ABC
0.15966 0.15749 0.15136

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.172
O2 0.000 1.292 0.843
O3 0.000 -1.292 0.843
O4 1.277 0.057 -0.871
O5 -1.277 -0.057 -0.871
H6 1.451 -0.865 -1.153
H7 -1.451 0.865 -1.153

Atom - Atom Distances (Å)
  S1 O2 O3 O4 O5 H6 H7
S11.45571.45571.64991.64992.14732.1473
O21.45572.58332.46872.52803.27792.5047
O31.45572.58332.52802.46872.50473.2779
O41.64992.46872.52802.55610.98042.8590
O51.64992.52802.46872.55612.85900.9804
H62.14733.27792.50470.98042.85903.3793
H72.14732.50473.27792.85900.98043.3793

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 48.223 S1 O5 H6 48.223
O2 S1 O3 125.072 O2 S1 O4 105.120
O2 S1 O5 108.816 O3 S1 O4 108.816
O3 S1 O5 105.120 O4 S1 O5 101.538
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 1.199      
2 O -0.446      
3 O -0.446      
4 O -0.591      
5 O -0.591      
6 H 0.438      
7 H 0.438      


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 -2.938 2.938
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.242 -5.456 0.000
y -5.456 -35.895 0.000
z 0.000 0.000 -33.933
Traceless
 xyz
x 2.672 -5.456 0.000
y -5.456 -2.808 0.000
z 0.000 0.000 0.136
Polar
3z2-r20.271
x2-y23.653
xy-5.456
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.214 -0.287 0.000
y -0.287 4.820 0.000
z 0.000 0.000 4.201


<r2> (average value of r2) Å2
<r2> 106.453
(<r2>)1/2 10.318