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

using model chemistry: B3LYP/TZVP

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/TZVP
 hartrees
Energy at 0K-700.354212
Energy at 298.15K-700.359136
HF Energy-700.354212
Nuclear repulsion energy282.911415
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/TZVP
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 3745 3616 55.71      
2 A 1152 1112 57.02      
3 A 1141 1101 191.74      
4 A 759 732 120.65      
5 A 499 482 52.23      
6 A 413 399 23.78      
7 A 352 340 6.26      
8 A 251 242 87.52      
9 B 3741 3612 184.60      
10 B 1401 1353 286.92      
11 B 1152 1112 89.69      
12 B 813 785 341.60      
13 B 510 493 21.93      
14 B 463 447 49.93      
15 B 309 299 71.92      

Unscaled Zero Point Vibrational Energy (zpe) 8350.6 cm-1
Scaled (by 0.9654) Zero Point Vibrational Energy (zpe) 8061.7 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/TZVP
ABC
0.16146 0.15930 0.15305

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.170
O2 0.000 1.288 0.839
O3 0.000 -1.288 0.839
O4 1.266 -0.048 -0.865
O5 -1.266 0.048 -0.865
H6 -1.450 -0.859 -1.159
H7 1.450 0.859 -1.159

Atom - Atom Distances (Å)
  S1 O2 O3 O4 O5 H6 H7
S11.45121.45121.63631.63632.14602.1460
O21.45122.57582.50862.45843.27132.5055
O31.45122.57582.45842.50862.50553.2713
O41.63632.50862.45842.53412.84920.9711
O51.63632.45842.50862.53410.97112.8492
H62.14603.27132.50552.84920.97113.3696
H72.14602.50553.27130.97112.84923.3696

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 108.055 S1 O5 H6 108.055
O2 S1 O3 125.114 O2 S1 O4 108.536
O2 S1 O5 105.386 O3 S1 O4 105.386
O3 S1 O5 108.536 O4 S1 O5 101.493
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.795      
2 O -0.351      
3 O -0.351      
4 O -0.362      
5 O -0.362      
6 H 0.315      
7 H 0.315      


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 -3.106 3.106
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.261 5.642 0.000
y 5.642 -37.618 0.000
z 0.000 0.000 -35.076
Traceless
 xyz
x 3.086 5.642 0.000
y 5.642 -3.449 0.000
z 0.000 0.000 0.363
Polar
3z2-r20.726
x2-y24.357
xy5.642
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.507 0.246 0.000
y 0.246 5.244 0.000
z 0.000 0.000 4.540


<r2> (average value of r2) Å2
<r2> 106.352
(<r2>)1/2 10.313