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

using model chemistry: B97D3/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B97D3/aug-cc-pVTZ
 hartrees
Energy at 0K-700.261157
Energy at 298.15K-700.266022
HF Energy-700.261157
Nuclear repulsion energy284.116337
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 B97D3/aug-cc-pVTZ
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 3680 3623 39.50      
2 A 1150 1132 108.85      
3 A 1135 1117 101.14      
4 A 733 722 108.58      
5 A 498 490 25.47      
6 A 408 401 16.14      
7 A 345 339 3.12      
8 A 233 229 85.86      
9 B 3676 3620 148.99      
10 B 1398 1376 256.40      
11 B 1144 1127 82.05      
12 B 787 775 303.28      
13 B 507 499 12.09      
14 B 459 452 36.21      
15 B 310 305 51.57      

Unscaled Zero Point Vibrational Energy (zpe) 8229.6 cm-1
Scaled (by 0.9847) Zero Point Vibrational Energy (zpe) 8103.7 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 B97D3/aug-cc-pVTZ
ABC
0.16303 0.16035 0.15440

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/aug-cc-pVTZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.166
O2 0.000 1.277 0.838
O3 0.000 -1.277 0.838
O4 1.265 0.056 -0.862
O5 -1.265 -0.056 -0.862
H6 1.455 -0.857 -1.137
H7 -1.455 0.857 -1.137

Atom - Atom Distances (Å)
  S1 O2 O3 O4 O5 H6 H7
S11.44331.44331.63061.63062.13262.1326
O21.44332.55422.44552.50353.25142.4887
O31.44332.55422.50352.44552.48873.2514
O41.63062.44552.50352.53160.97252.8484
O51.63062.50352.44552.53162.84840.9725
H62.13263.25142.48870.97252.84843.3774
H72.13262.48873.25142.84840.97253.3774

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 47.931 S1 O5 H6 47.931
O2 S1 O3 124.471 O2 S1 O4 105.256
O2 S1 O5 108.914 O3 S1 O4 108.914
O3 S1 O5 105.256 O4 S1 O5 101.848
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 2.067      
2 O -0.753      
3 O -0.753      
4 O -0.427      
5 O -0.427      
6 H 0.147      
7 H 0.147      


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 -2.935 2.935
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.461 -5.023 0.000
y -5.023 -36.632 0.000
z 0.000 0.000 -34.636
Traceless
 xyz
x 3.173 -5.023 0.000
y -5.023 -3.083 0.000
z 0.000 0.000 -0.090
Polar
3z2-r2-0.180
x2-y24.170
xy-5.023
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.704 -0.216 0.000
y -0.216 6.042 0.000
z 0.000 0.000 5.663


<r2> (average value of r2) Å2
<r2> 105.185
(<r2>)1/2 10.256