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

using model chemistry: LSDA/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 LSDA/6-31G**
 hartrees
Energy at 0K-697.742679
Energy at 298.15K-697.747449
Nuclear repulsion energy285.217139
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 LSDA/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 3676 3607 32.59      
2 A 1190 1168 176.35      
3 A 1083 1063 72.38      
4 A 796 781 98.09      
5 A 502 493 37.46      
6 A 400 392 17.28      
7 A 327 320 0.33      
8 A 200 196 125.89      
9 B 3671 3603 207.29      
10 B 1447 1420 236.04      
11 B 1106 1086 94.15      
12 B 871 855 338.39      
13 B 502 493 24.95      
14 B 451 443 60.32      
15 B 287 282 53.43      

Unscaled Zero Point Vibrational Energy (zpe) 8254.0 cm-1
Scaled (by 0.9813) Zero Point Vibrational Energy (zpe) 8099.6 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 LSDA/6-31G**
ABC
0.16620 0.16176 0.15456

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.159
O2 0.000 1.283 0.827
O3 0.000 -1.283 0.827
O4 1.253 -0.034 -0.857
O5 -1.253 0.034 -0.857
H6 -1.499 -0.900 -1.036
H7 1.499 0.900 -1.036

Atom - Atom Distances (Å)
  S1 O2 O3 O4 O5 H6 H7
S11.44651.44651.61321.61322.11832.1183
O21.44652.56622.47742.44243.23832.4221
O31.44652.56622.44242.47742.42213.2383
O41.61322.47742.44242.50642.89070.9823
O51.61322.44242.47742.50640.98232.8907
H62.11833.23832.42212.89070.98233.4973
H72.11832.42213.23830.98232.89073.4973

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 106.874 S1 O5 H6 106.874
O2 S1 O3 125.006 O2 S1 O4 108.008
O2 S1 O5 105.801 O3 S1 O4 105.801
O3 S1 O5 108.008 O4 S1 O5 101.945
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 1.056      
2 O -0.416      
3 O -0.416      
4 O -0.490      
5 O -0.490      
6 H 0.379      
7 H 0.379      


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 -2.824 2.824
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.243 5.931 0.000
y 5.931 -35.845 0.000
z 0.000 0.000 -34.910
Traceless
 xyz
x 4.134 5.931 0.000
y 5.931 -2.768 0.000
z 0.000 0.000 -1.367
Polar
3z2-r2-2.733
x2-y24.602
xy5.931
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.125 0.369 0.000
y 0.369 4.733 0.000
z 0.000 0.000 4.005


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000