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

using model chemistry: B3LYPultrafine/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3LYPultrafine/6-31G*
 hartrees
Energy at 0K-700.203062
Energy at 298.15K-700.207943
Nuclear repulsion energy283.947110
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 B3LYPultrafine/6-31G*
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 3693 3538 39.43      
2 A 1183 1134 56.00      
3 A 1175 1126 195.95      
4 A 780 747 107.60      
5 A 513 491 46.00      
6 A 411 394 23.56      
7 A 344 330 4.75      
8 A 230 220 105.96      
9 B 3690 3535 170.00      
10 B 1442 1382 265.49      
11 B 1186 1136 97.43      
12 B 846 811 330.10      
13 B 511 489 24.82      
14 B 466 446 48.84      
15 B 303 290 65.59      

Unscaled Zero Point Vibrational Energy (zpe) 8386.1 cm-1
Scaled (by 0.958) Zero Point Vibrational Energy (zpe) 8033.8 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 B3LYPultrafine/6-31G*
ABC
0.16322 0.16015 0.15415

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/6-31G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.166
O2 0.000 1.281 0.837
O3 0.000 -1.281 0.837
O4 1.261 -0.044 -0.863
O5 -1.261 0.044 -0.863
H6 -1.474 -0.875 -1.115
H7 1.474 0.875 -1.115

Atom - Atom Distances (Å)
  S1 O2 O3 O4 O5 H6 H7
S11.44631.44631.62831.62832.13982.1398
O21.44632.56222.49772.45173.26072.4795
O31.44632.56222.45172.49772.47953.2607
O41.62832.49772.45172.52372.86950.9767
O51.62832.45172.49772.52370.97672.8695
H62.13983.26072.47952.86950.97673.4283
H72.13982.47953.26070.97672.86953.4283

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 107.822 S1 O5 H6 107.822
O2 S1 O3 124.690 O2 S1 O4 108.510
O2 S1 O5 105.617 O3 S1 O4 105.617
O3 S1 O5 108.510 O4 S1 O5 101.603
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 1.270      
2 O -0.476      
3 O -0.476      
4 O -0.608      
5 O -0.608      
6 H 0.448      
7 H 0.448      


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 -3.028 3.028
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.903 5.722 0.000
y 5.722 -36.312 0.000
z 0.000 0.000 -34.495
Traceless
 xyz
x 3.500 5.722 0.000
y 5.722 -3.113 0.000
z 0.000 0.000 -0.387
Polar
3z2-r2-0.774
x2-y24.408
xy5.722
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.009 0.315 0.000
y 0.315 4.593 0.000
z 0.000 0.000 3.961


<r2> (average value of r2) Å2
<r2> 105.057
(<r2>)1/2 10.250