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

using model chemistry: HF/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 HF/6-311G**
 hartrees
Energy at 0K-698.147223
Energy at 298.15K-698.152703
Nuclear repulsion energy293.959639
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 HF/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 4105 3729 73.75      
2 A 1317 1197 262.66      
3 A 1234 1121 103.24      
4 A 947 861 120.96      
5 A 608 553 103.41      
6 A 476 433 18.30      
7 A 418 380 2.33      
8 A 293 266 131.48      
9 B 4100 3725 346.29      
10 B 1571 1427 420.42      
11 B 1253 1138 115.52      
12 B 1002 910 415.72      
13 B 620 563 69.65      
14 B 548 498 59.71      
15 B 339 308 93.56      

Unscaled Zero Point Vibrational Energy (zpe) 9415.0 cm-1
Scaled (by 0.9085) Zero Point Vibrational Energy (zpe) 8553.5 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 HF/6-311G**
ABC
0.17578 0.17041 0.16591

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.153
O2 0.000 1.235 0.817
O3 0.000 -1.235 0.817
O4 1.213 -0.028 -0.832
O5 -1.213 0.028 -0.832
H6 -1.461 -0.846 -1.102
H7 1.461 0.846 -1.102

Atom - Atom Distances (Å)
  S1 O2 O3 O4 O5 H6 H7
S11.40211.40211.56231.56232.10342.1034
O21.40212.46982.40482.37593.18502.4429
O31.40212.46982.37592.40482.44293.1850
O41.56232.40482.37592.42632.80910.9474
O51.56232.37592.40482.42630.94742.8091
H62.10343.18502.44292.80910.94743.3761
H72.10342.44293.18500.94742.80913.3761

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 111.513 S1 O5 H6 111.513
O2 S1 O3 123.472 O2 S1 O4 108.309
O2 S1 O5 106.418 O3 S1 O4 106.418
O3 S1 O5 108.309 O4 S1 O5 101.881
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 1.587      
2 O -0.597      
3 O -0.597      
4 O -0.526      
5 O -0.526      
6 H 0.330      
7 H 0.330      


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 -3.637 3.637
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.847 6.011 0.000
y 6.011 -38.006 0.000
z 0.000 0.000 -35.173
Traceless
 xyz
x 4.742 6.011 0.000
y 6.011 -4.496 0.000
z 0.000 0.000 -0.246
Polar
3z2-r2-0.492
x2-y26.159
xy6.011
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.363 0.266 0.000
y 0.266 3.984 0.000
z 0.000 0.000 3.378


<r2> (average value of r2) Å2
<r2> 100.054
(<r2>)1/2 10.003