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

using model chemistry: B3LYP/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3LYP/Def2TZVPP
 hartrees
Energy at 0K-700.448317
Energy at 298.15K-700.453416
HF Energy-700.448317
Nuclear repulsion energy289.118781
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 B3LYP/Def2TZVPP
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 3773 3632 48.37      
2 A 1220 1174 174.81      
3 A 1149 1106 74.71      
4 A 813 782 111.71      
5 A 540 520 40.67      
6 A 434 418 15.09      
7 A 371 358 1.99      
8 A 249 240 104.43      
9 B 3769 3628 203.63      
10 B 1469 1414 295.18      
11 B 1165 1122 86.99      
12 B 867 835 347.73      
13 B 550 529 25.40      
14 B 494 475 41.37      
15 B 325 312 60.01      

Unscaled Zero Point Vibrational Energy (zpe) 8593.6 cm-1
Scaled (by 0.9626) Zero Point Vibrational Energy (zpe) 8272.2 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 B3LYP/Def2TZVPP
ABC
0.16940 0.16593 0.15996

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/Def2TZVPP

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.153
O2 0.000 1.250 0.823
O3 0.000 -1.250 0.823
O4 1.234 0.043 -0.840
O5 -1.234 -0.043 -0.840
H6 1.498 -0.853 -1.085
H7 -1.498 0.853 -1.085

Atom - Atom Distances (Å)
  S1 O2 O3 O4 O5 H6 H7
S11.41791.41791.58431.58432.12222.1222
O21.41792.49942.39632.44083.21012.4573
O31.41792.49942.44082.39632.45733.2101
O41.58432.39632.44082.46970.96612.8604
O51.58432.44082.39632.46972.86040.9661
H62.12223.21012.45730.96612.86043.4484
H72.12222.45733.21012.86040.96613.4484

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 46.942 S1 O5 H6 46.942
O2 S1 O3 123.627 O2 S1 O4 105.781
O2 S1 O5 108.656 O3 S1 O4 108.656
O3 S1 O5 105.781 O4 S1 O5 102.415
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.908      
2 O -0.405      
3 O -0.405      
4 O -0.277      
5 O -0.277      
6 H 0.228      
7 H 0.228      


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 -3.151 3.151
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.782 -5.354 0.000
y -5.354 -36.735 0.000
z 0.000 0.000 -34.587
Traceless
 xyz
x 3.879 -5.354 0.000
y -5.354 -3.550 0.000
z 0.000 0.000 -0.328
Polar
3z2-r2-0.656
x2-y24.953
xy-5.354
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.587 -0.246 0.000
y -0.246 5.127 0.000
z 0.000 0.000 4.569


<r2> (average value of r2) Å2
<r2> 102.226
(<r2>)1/2 10.111