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

using model chemistry: wB97X-D/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 wB97X-D/6-31+G**
 hartrees
Energy at 0K-700.125989
Energy at 298.15K-700.131037
HF Energy-700.125989
Nuclear repulsion energy286.634583
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 wB97X-D/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 3851 3667 62.89      
2 A 1227 1169 191.74      
3 A 1155 1100 79.61      
4 A 818 779 123.28      
5 A 530 504 55.13      
6 A 425 405 23.41      
7 A 364 346 4.89      
8 A 252 240 103.70      
9 B 3847 3663 226.48      
10 B 1477 1407 331.68      
11 B 1170 1114 100.69      
12 B 873 832 361.64      
13 B 536 510 32.37      
14 B 480 458 49.92      
15 B 316 301 72.45      

Unscaled Zero Point Vibrational Energy (zpe) 8660.0 cm-1
Scaled (by 0.9523) Zero Point Vibrational Energy (zpe) 8246.9 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 wB97X-D/6-31+G**
ABC
0.16588 0.16349 0.15743

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31+G**

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.157
O2 0.000 1.262 0.827
O3 0.000 -1.262 0.827
O4 1.237 0.040 -0.847
O5 -1.237 -0.040 -0.847
H6 1.500 -0.856 -1.097
H7 -1.500 0.856 -1.097

Atom - Atom Distances (Å)
  S1 O2 O3 O4 O5 H6 H7
S11.42881.42881.59331.59332.13452.1345
O21.42882.52332.41322.45493.23102.4738
O31.42882.52332.45492.41322.47383.2310
O41.59332.41322.45492.47550.96712.8673
O51.59332.45492.41322.47552.86730.9671
H62.13453.23102.47380.96712.86733.4544
H72.13452.47383.23102.86730.96713.4544

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 47.236 S1 O5 H6 47.236
O2 S1 O3 124.025 O2 S1 O4 105.853
O2 S1 O5 108.530 O3 S1 O4 108.530
O3 S1 O5 105.853 O4 S1 O5 101.950
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 1.599      
2 O -0.583      
3 O -0.583      
4 O -0.621      
5 O -0.621      
6 H 0.405      
7 H 0.405      


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 -3.267 3.267
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.593 -5.729 0.000
y -5.729 -37.291 0.000
z 0.000 0.000 -34.935
Traceless
 xyz
x 3.520 -5.729 0.000
y -5.729 -3.527 0.000
z 0.000 0.000 0.007
Polar
3z2-r20.015
x2-y24.698
xy-5.729
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.662 -0.169 0.000
y -0.169 5.310 0.000
z 0.000 0.000 4.729


<r2> (average value of r2) Å2
<r2> 103.943
(<r2>)1/2 10.195