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

using model chemistry: HF/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 HF/Def2TZVPP
 hartrees
Energy at 0K-698.286332
Energy at 298.15K-698.291854
HF Energy-698.286332
Nuclear repulsion energy296.730117
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/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 4106 3722 67.68      
2 A 1360 1233 251.97      
3 A 1249 1132 95.82      
4 A 978 887 110.42      
5 A 630 571 75.96      
6 A 488 442 10.81      
7 A 427 387 0.60      
8 A 271 246 130.34      
9 B 4101 3717 337.52      
10 B 1605 1455 419.61      
11 B 1271 1152 113.80      
12 B 1027 931 397.33      
13 B 641 581 63.45      
14 B 564 511 47.14      
15 B 347 314 74.11      

Unscaled Zero Point Vibrational Energy (zpe) 9532.5 cm-1
Scaled (by 0.9064) Zero Point Vibrational Energy (zpe) 8640.3 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/Def2TZVPP
ABC
0.17945 0.17359 0.16897

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.146
O2 0.000 1.225 0.813
O3 0.000 -1.225 0.813
O4 1.208 0.028 -0.826
O5 -1.208 -0.028 -0.826
H6 1.460 -0.852 -1.064
H7 -1.460 0.852 -1.064

Atom - Atom Distances (Å)
  S1 O2 O3 O4 O5 H6 H7
S11.39501.39501.55051.55052.07862.0786
O21.39502.45082.36162.39073.15732.4065
O31.39502.45082.39072.36162.40653.1573
O41.55052.36162.39072.41600.94622.8017
O51.55052.39072.36162.41602.80170.9462
H62.07863.15732.40650.94622.80173.3803
H72.07862.40653.15732.80170.94623.3803

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 46.928 S1 O5 H6 46.928
O2 S1 O3 122.904 O2 S1 O4 106.476
O2 S1 O5 108.396 O3 S1 O4 108.396
O3 S1 O5 106.476 O4 S1 O5 102.356
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 1.323      
2 O -0.546      
3 O -0.546      
4 O -0.372      
5 O -0.372      
6 H 0.257      
7 H 0.257      


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 -3.533 3.533
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.802 -5.605 0.000
y -5.605 -36.942 0.000
z 0.000 0.000 -34.572
Traceless
 xyz
x 4.955 -5.605 0.000
y -5.605 -4.255 0.000
z 0.000 0.000 -0.700
Polar
3z2-r2-1.399
x2-y26.140
xy-5.605
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.888 -0.207 0.000
y -0.207 4.366 0.000
z 0.000 0.000 3.885


<r2> (average value of r2) Å2
<r2> 98.035
(<r2>)1/2 9.901