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

using model chemistry: wB97X-D/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-700.301320
Energy at 298.15K-700.306443
HF Energy-700.301320
Nuclear repulsion energy289.227721
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/cc-pVTZ
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 3845 3676 48.75      
2 A 1247 1192 182.83      
3 A 1163 1112 71.70      
4 A 840 803 111.93      
5 A 545 521 45.86      
6 A 434 415 12.67      
7 A 374 357 1.41      
8 A 237 226 108.26      
9 B 3841 3672 218.74      
10 B 1498 1432 294.00      
11 B 1182 1130 91.86      
12 B 894 855 341.33      
13 B 556 532 31.38      
14 B 497 475 42.90      
15 B 317 303 60.20      

Unscaled Zero Point Vibrational Energy (zpe) 8734.9 cm-1
Scaled (by 0.956) Zero Point Vibrational Energy (zpe) 8350.6 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 wB97X-D/cc-pVTZ
ABC
0.16952 0.16606 0.16018

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/cc-pVTZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.153
O2 0.000 1.252 0.824
O3 0.000 -1.252 0.824
O4 1.230 0.042 -0.842
O5 -1.230 -0.042 -0.842
H6 1.483 -0.856 -1.080
H7 -1.483 0.856 -1.080

Atom - Atom Distances (Å)
  S1 O2 O3 O4 O5 H6 H7
S11.42021.42021.58271.58272.10992.1099
O21.42022.50402.39812.44153.20392.4450
O31.42022.50402.44152.39812.44503.2039
O41.58272.39812.44152.46200.96262.8429
O51.58272.44152.39812.46202.84290.9626
H62.10993.20392.44500.96262.84293.4248
H72.10992.44503.20392.84290.96263.4248

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 47.016 S1 O5 H6 47.016
O2 S1 O3 123.659 O2 S1 O4 105.864
O2 S1 O5 108.667 O3 S1 O4 108.667
O3 S1 O5 105.864 O4 S1 O5 102.120
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.977      
2 O -0.421      
3 O -0.421      
4 O -0.291      
5 O -0.291      
6 H 0.223      
7 H 0.223      


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 -3.186 3.186
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.370 -5.347 0.000
y -5.347 -36.334 0.000
z 0.000 0.000 -34.330
Traceless
 xyz
x 3.962 -5.347 0.000
y -5.347 -3.484 0.000
z 0.000 0.000 -0.478
Polar
3z2-r2-0.957
x2-y24.964
xy-5.347
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.373 -0.235 0.000
y -0.235 4.944 0.000
z 0.000 0.000 4.358


<r2> (average value of r2) Å2
<r2> 101.882
(<r2>)1/2 10.094