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

using model chemistry: wB97X-D/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 wB97X-D/6-311G**
 hartrees
Energy at 0K-700.216021
Energy at 298.15K-700.221138
HF Energy-700.216021
Nuclear repulsion energy288.037270
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/6-311G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3856 3688 59.36      
2 A 1235 1182 194.60      
3 A 1140 1091 79.71      
4 A 823 787 128.87      
5 A 536 513 64.27      
6 A 433 414 24.42      
7 A 373 357 6.63      
8 A 266 255 103.02      
9 B 3852 3684 223.90      
10 B 1493 1428 308.88      
11 B 1158 1108 96.23      
12 B 878 839 365.83      
13 B 547 523 31.83      
14 B 490 469 55.07      
15 B 313 299 80.80      

Unscaled Zero Point Vibrational Energy (zpe) 8696.4 cm-1
Scaled (by 0.9565) Zero Point Vibrational Energy (zpe) 8318.1 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 wB97X-D/6-311G**
ABC
0.16768 0.16479 0.15900

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-311G**

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.157
O2 0.000 1.257 0.823
O3 0.000 -1.257 0.823
O4 1.234 0.038 -0.844
O5 -1.234 -0.038 -0.844
H6 1.492 -0.855 -1.094
H7 -1.492 0.855 -1.094

Atom - Atom Distances (Å)
  S1 O2 O3 O4 O5 H6 H7
S11.42221.42221.58941.58942.12702.1270
O21.42222.51322.40562.44533.21912.4625
O31.42222.51322.44532.40562.46253.2191
O41.58942.40562.44532.46840.96322.8567
O51.58942.44532.40562.46842.85670.9632
H62.12703.21912.46250.96322.85673.4401
H72.12702.46253.21912.85670.96323.4401

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 47.261 S1 O5 H6 47.261
O2 S1 O3 124.149 O2 S1 O4 105.889
O2 S1 O5 108.447 O3 S1 O4 108.447
O3 S1 O5 105.889 O4 S1 O5 101.883
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 1.213      
2 O -0.473      
3 O -0.473      
4 O -0.453      
5 O -0.453      
6 H 0.319      
7 H 0.319      


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 -3.317 3.317
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.423 -5.757 0.000
y -5.757 -37.248 0.000
z 0.000 0.000 -34.664
Traceless
 xyz
x 3.533 -5.757 0.000
y -5.757 -3.704 0.000
z 0.000 0.000 0.171
Polar
3z2-r20.343
x2-y24.825
xy-5.757
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.880 -0.276 0.000
y -0.276 4.582 0.000
z 0.000 0.000 3.919


<r2> (average value of r2) Å2
<r2> 103.072
(<r2>)1/2 10.152