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

using model chemistry: PBEPBE/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 PBEPBE/Def2TZVPP
 hartrees
Energy at 0K-699.975493
Energy at 298.15K-699.980428
HF Energy-699.975493
Nuclear repulsion energy286.037961
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 PBEPBE/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 3662 3618 40.22      
2 A 1175 1161 153.13      
3 A 1111 1098 65.20      
4 A 764 755 104.56      
5 A 509 503 29.84      
6 A 417 412 16.68      
7 A 352 348 3.03      
8 A 238 235 92.11      
9 B 3658 3614 156.78      
10 B 1427 1409 253.20      
11 B 1127 1113 82.33      
12 B 824 814 319.09      
13 B 519 513 16.25      
14 B 467 462 39.89      
15 B 319 315 52.60      

Unscaled Zero Point Vibrational Energy (zpe) 8285.8 cm-1
Scaled (by 0.9879) Zero Point Vibrational Energy (zpe) 8185.5 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 PBEPBE/Def2TZVPP
ABC
0.16551 0.16302 0.15622

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.154
O2 0.000 1.259 0.825
O3 0.000 -1.259 0.825
O4 1.242 0.050 -0.844
O5 -1.242 -0.050 -0.844
H6 1.504 -0.855 -1.086
H7 -1.504 0.855 -1.086

Atom - Atom Distances (Å)
  S1 O2 O3 O4 O5 H6 H7
S11.42661.42661.59401.59402.12862.1286
O21.42662.51722.40612.45813.22242.4655
O31.42662.51722.45812.40612.46553.2224
O41.59402.40612.45812.48660.97312.8722
O51.59402.45812.40612.48662.87220.9731
H62.12863.22242.46550.97312.87223.4606
H72.12862.46553.22242.87220.97313.4606

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 46.872 S1 O5 H6 46.872
O2 S1 O3 123.829 O2 S1 O4 105.474
O2 S1 O5 108.810 O3 S1 O4 108.810
O3 S1 O5 105.474 O4 S1 O5 102.520
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.712      
2 O -0.348      
3 O -0.348      
4 O -0.239      
5 O -0.239      
6 H 0.230      
7 H 0.230      


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 -3.006 3.006
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.112 -5.168 0.000
y -5.168 -36.400 0.000
z 0.000 0.000 -34.430
Traceless
 xyz
x 3.303 -5.168 0.000
y -5.168 -3.129 0.000
z 0.000 0.000 -0.174
Polar
3z2-r2-0.349
x2-y24.288
xy-5.168
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.873 -0.254 0.000
y -0.254 5.431 0.000
z 0.000 0.000 4.848


<r2> (average value of r2) Å2
<r2> 103.868
(<r2>)1/2 10.192