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

using model chemistry: HF/cc-pCVTZ

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/cc-pCVTZ
 hartrees
Energy at 0K-698.276678
Energy at 298.15K-698.282247
HF Energy-698.276678
Nuclear repulsion energy296.676403
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/cc-pCVTZ
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 4096 3740 66.24      
2 A 1366 1247 246.17      
3 A 1252 1144 94.75      
4 A 978 893 110.62      
5 A 630 575 77.30      
6 A 490 447 12.12      
7 A 427 390 0.64      
8 A 280 256 127.60      
9 B 4091 3736 336.68      
10 B 1613 1473 404.38      
11 B 1275 1164 114.14      
12 B 1027 937 393.14      
13 B 640 585 63.74      
14 B 565 516 46.24      
15 B 356 325 73.54      

Unscaled Zero Point Vibrational Energy (zpe) 9542.2 cm-1
Scaled (by 0.9131) Zero Point Vibrational Energy (zpe) 8713.0 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/cc-pCVTZ
ABC
0.17938 0.17358 0.16891

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.146
O2 0.000 1.222 0.811
O3 0.000 -1.222 0.811
O4 1.202 -0.028 -0.823
O5 -1.202 0.028 -0.823
H6 -1.464 -0.848 -1.071
H7 1.464 0.848 -1.071

Atom - Atom Distances (Å)
  S1 O2 O3 O4 O5 H6 H7
S11.39091.39091.54471.54472.08442.0844
O21.39092.44422.38262.35383.15732.4135
O31.39092.44422.35382.38262.41353.1573
O41.54472.38262.35382.40492.80060.9469
O51.54472.35382.38262.40490.94692.8006
H62.08443.15732.41352.80060.94693.3838
H72.08442.41353.15730.94692.80063.3838

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 111.291 S1 O5 H6 111.291
O2 S1 O3 122.957 O2 S1 O4 108.394
O2 S1 O5 106.492 O3 S1 O4 106.492
O3 S1 O5 108.394 O4 S1 O5 102.241
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/cc-pCVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 1.260      
2 O -0.523      
3 O -0.523      
4 O -0.360      
5 O -0.360      
6 H 0.253      
7 H 0.253      


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 -3.518 3.518
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.750 5.584 0.000
y 5.584 -36.790 0.000
z 0.000 0.000 -34.473
Traceless
 xyz
x 4.881 5.584 0.000
y 5.584 -4.178 0.000
z 0.000 0.000 -0.703
Polar
3z2-r2-1.406
x2-y26.040
xy5.584
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.789 0.218 0.000
y 0.218 4.259 0.000
z 0.000 0.000 3.772


<r2> (average value of r2) Å2
<r2> 97.986
(<r2>)1/2 9.899