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

using model chemistry: BLYP/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 BLYP/6-311G*
 hartrees
Energy at 0K-700.274780
Energy at 298.15K-700.279530
Nuclear repulsion energy279.691748
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 BLYP/6-311G*
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 3577 3568 36.85      
2 A 1139 1136 5.93      
3 A 1097 1094 211.49      
4 A 682 680 125.38      
5 A 470 469 38.89      
6 A 412 411 48.07      
7 A 336 335 12.74      
8 A 251 250 63.37      
9 B 3574 3565 87.01      
10 B 1359 1356 238.64      
11 B 1133 1130 83.42      
12 B 745 743 321.26      
13 B 475 474 6.63      
14 B 438 437 54.18      
15 B 310 310 76.29      

Unscaled Zero Point Vibrational Energy (zpe) 7998.9 cm-1
Scaled (by 0.9975) Zero Point Vibrational Energy (zpe) 7978.9 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 BLYP/6-311G*
ABC
0.15794 0.15483 0.14981

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.178
O2 0.000 1.295 0.849
O3 0.000 -1.295 0.849
O4 1.287 -0.067 -0.876
O5 -1.287 0.067 -0.876
H6 -1.468 -0.837 -1.212
H7 1.468 0.837 -1.212

Atom - Atom Distances (Å)
  S1 O2 O3 O4 O5 H6 H7
S11.45911.45911.66451.66452.18812.1881
O21.45912.59072.54732.47813.30932.5722
O31.45912.59072.47812.54732.57223.3093
O41.66452.54732.47812.57662.87980.9813
O51.66452.47812.54732.57660.98132.8798
H62.18813.30932.57222.87980.98133.3795
H72.18812.57223.30930.98132.87983.3795

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 108.834 S1 O5 H6 108.834
O2 S1 O3 125.194 O2 S1 O4 109.101
O2 S1 O5 104.809 O3 S1 O4 104.809
O3 S1 O5 109.101 O4 S1 O5 101.431
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 1.118      
2 O -0.418      
3 O -0.418      
4 O -0.568      
5 O -0.568      
6 H 0.426      
7 H 0.426      


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 -3.125 3.125
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.559 5.802 0.000
y 5.802 -37.477 0.000
z 0.000 0.000 -34.618
Traceless
 xyz
x 2.488 5.802 0.000
y 5.802 -3.388 0.000
z 0.000 0.000 0.900
Polar
3z2-r21.799
x2-y23.918
xy5.802
xz0.000
yz0.000


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


<r2> (average value of r2) Å2
<r2> 108.377
(<r2>)1/2 10.410