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

using model chemistry: B97D3/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B97D3/3-21G
 hartrees
Energy at 0K-696.302473
Energy at 298.15K-696.306325
HF Energy-696.302473
Nuclear repulsion energy 
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 B97D3/3-21G
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 3317 3261 5.87      
2 A 1171 1152 106.77      
3 A 973 957 50.80      
4 A 617 607 38.19      
5 A 396 389 16.34      
6 A 339 334 46.09      
7 A 242 237 0.02      
8 A 137 135 12.03      
9 B 3318 3261 64.81      
10 B 1217 1197 54.37      
11 B 1080 1062 75.56      
12 B 691 679 194.67      
13 B 361 355 22.11      
14 B 357 351 59.70      
15 B 166 163 201.75      

Unscaled Zero Point Vibrational Energy (zpe) 7191.4 cm-1
Scaled (by 0.983) Zero Point Vibrational Energy (zpe) 7069.2 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 B97D3/3-21G
ABC
0.14081 0.13843 0.12725

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/3-21G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.173
O2 1.371 0.088 0.949
O3 -1.371 -0.088 0.949
O4 0.000 -1.283 -1.040
O5 0.000 1.283 -1.040
H6 -0.630 -1.977 -0.658
H7 0.630 1.977 -0.658

Atom - Atom Distances (Å)
  S1 O2 O3 O4 O5 H6 H7
S11.57841.57841.76551.76552.23572.2357
O21.57842.74852.77792.69533.29512.5891
O31.57842.74852.69532.77792.58913.2951
O41.76552.77792.69532.56661.01213.3429
O51.76552.69532.77792.56663.34291.0121
H62.23573.29512.58911.01213.34294.1509
H72.23572.58913.29513.34291.01214.1509

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 38.064 S1 O5 H6 38.064
O2 S1 O3 121.075 O2 S1 O4 112.232
O2 S1 O5 107.291 O3 S1 O4 107.291
O3 S1 O5 112.232 O4 S1 O5 93.250
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 1.383      
2 O -0.517      
3 O -0.517      
4 O -0.550      
5 O -0.550      
6 H 0.375      
7 H 0.375      


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 -0.520 0.520
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.930 4.718 0.000
y 4.718 -25.618 0.000
z 0.000 0.000 -40.339
Traceless
 xyz
x -5.951 4.718 0.000
y 4.718 14.017 0.000
z 0.000 0.000 -8.066
Polar
3z2-r2-16.131
x2-y2-13.312
xy4.718
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.645 0.827 0.000
y 0.827 4.990 0.000
z 0.000 0.000 4.402


<r2> (average value of r2) Å2
<r2> 120.072
(<r2>)1/2 10.958