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

using model chemistry: B1B95/6-31+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 B1B95/6-31+G**
 hartrees
Energy at 0K-700.188988
Energy at 298.15K-700.193990
Nuclear repulsion energy286.187130
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 B1B95/6-31+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 3802 3637 59.32      
2 A 1200 1148 186.95      
3 A 1131 1082 75.87      
4 A 805 770 115.87      
5 A 519 497 51.03      
6 A 422 403 27.58      
7 A 356 340 5.41      
8 A 252 241 95.93      
9 B 3798 3633 212.08      
10 B 1448 1386 312.69      
11 B 1146 1097 95.01      
12 B 864 826 355.88      
13 B 525 502 29.33      
14 B 468 448 51.77      
15 B 322 308 66.76      

Unscaled Zero Point Vibrational Energy (zpe) 8529.8 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 8159.6 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 B1B95/6-31+G**
ABC
0.16528 0.16333 0.15671

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31+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 0.832
O3 0.000 -1.274 0.832
O4 1.248 -0.050 -0.853
O5 -1.248 0.050 -0.853
H6 -1.455 -0.854 -1.139
H7 1.455 0.854 -1.139

Atom - Atom Distances (Å)
  S1 O2 O3 O4 O5 H6 H7
S11.43841.43841.61051.61052.13162.1316
O21.43842.54752.47972.42773.24482.4859
O31.43842.54752.42772.47972.48593.2448
O41.61052.47972.42772.49882.83500.9702
O51.61052.42772.47972.49880.97022.8350
H62.13163.24482.48592.83500.97023.3741
H72.13162.48593.24480.97022.83503.3741

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 108.826 S1 O5 H6 108.826
O2 S1 O3 124.628 O2 S1 O4 108.704
O2 S1 O5 105.407 O3 S1 O4 105.407
O3 S1 O5 108.704 O4 S1 O5 101.751
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 1.525      
2 O -0.562      
3 O -0.562      
4 O -0.598      
5 O -0.598      
6 H 0.397      
7 H 0.397      


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 -3.180 3.180
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.651 5.651 0.000
y 5.651 -37.140 0.000
z 0.000 0.000 -34.866
Traceless
 xyz
x 3.352 5.651 0.000
y 5.651 -3.381 0.000
z 0.000 0.000 0.030
Polar
3z2-r20.059
x2-y24.489
xy5.651
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.753 0.180 0.000
y 0.180 5.391 0.000
z 0.000 0.000 4.803


<r2> (average value of r2) Å2
<r2> 104.147
(<r2>)1/2 10.205