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

using model chemistry: LSDA/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 LSDA/6-311G**
 hartrees
Energy at 0K-697.862941
Energy at 298.15K-697.867855
Nuclear repulsion energy286.336180
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 LSDA/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 3676 3631 53.20      
2 A 1188 1174 178.01      
3 A 1052 1039 66.62      
4 A 784 775 116.40      
5 A 503 497 51.11      
6 A 415 410 26.89      
7 A 348 343 6.99      
8 A 248 245 101.32      
9 B 3671 3626 215.56      
10 B 1444 1426 254.31      
11 B 1073 1060 86.93      
12 B 849 839 351.68      
13 B 514 508 23.85      
14 B 457 452 64.09      
15 B 302 299 65.63      

Unscaled Zero Point Vibrational Energy (zpe) 8262.5 cm-1
Scaled (by 0.9877) Zero Point Vibrational Energy (zpe) 8160.8 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 LSDA/6-311G**
ABC
0.16605 0.16372 0.15635

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.164
O2 0.000 1.275 0.826
O3 0.000 -1.275 0.826
O4 1.249 -0.047 -0.850
O5 -1.249 0.047 -0.850
H6 -1.456 -0.870 -1.122
H7 1.456 0.870 -1.122

Atom - Atom Distances (Å)
  S1 O2 O3 O4 O5 H6 H7
S11.43691.43691.61021.61022.12852.1285
O21.43692.55032.47432.42493.24302.4658
O31.43692.55032.42492.47432.46583.2430
O41.61022.47432.42492.50052.84040.9788
O51.61022.42492.47432.50050.97882.8404
H62.12853.24302.46582.84040.97883.3918
H72.12852.46583.24300.97882.84043.3918

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 108.111 S1 O5 H6 108.111
O2 S1 O3 125.108 O2 S1 O4 108.457
O2 S1 O5 105.324 O3 S1 O4 105.324
O3 S1 O5 108.457 O4 S1 O5 101.880
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 1.025      
2 O -0.415      
3 O -0.415      
4 O -0.420      
5 O -0.420      
6 H 0.322      
7 H 0.322      


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 -32.669 5.852 0.000
y 5.852 -37.078 0.000
z 0.000 0.000 -34.946
Traceless
 xyz
x 3.343 5.852 0.000
y 5.852 -3.271 0.000
z 0.000 0.000 -0.072
Polar
3z2-r2-0.145
x2-y24.409
xy5.852
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.179 0.327 0.000
y 0.327 4.874 0.000
z 0.000 0.000 4.182


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000