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

using model chemistry: B1B95/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B1B95/cc-pVDZ
 hartrees
Energy at 0K-700.190875
Energy at 298.15K-700.195786
Nuclear repulsion energy283.745790
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 B1B95/cc-pVDZ
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 3757 3611 38.84      
2 A 1178 1133 195.15      
3 A 1133 1089 58.12      
4 A 800 769 95.75      
5 A 504 484 49.15      
6 A 409 393 17.87      
7 A 343 330 1.58      
8 A 228 219 99.81      
9 B 3753 3607 214.66      
10 B 1426 1371 254.83      
11 B 1148 1103 85.98      
12 B 864 831 325.95      
13 B 514 494 31.22      
14 B 457 439 52.04      
15 B 310 298 51.43      

Unscaled Zero Point Vibrational Energy (zpe) 8411.5 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 8085.1 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 B1B95/cc-pVDZ
ABC
0.16330 0.16010 0.15362

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/cc-pVDZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.166
O2 0.000 1.289 0.834
O3 0.000 -1.289 0.834
O4 1.258 -0.039 -0.865
O5 -1.258 0.039 -0.865
H6 -1.463 -0.888 -1.077
H7 1.463 0.888 -1.077

Atom - Atom Distances (Å)
  S1 O2 O3 O4 O5 H6 H7
S11.45231.45231.62691.62692.11482.1148
O21.45232.57822.49732.45623.24532.4403
O31.45232.57822.45622.49732.44033.2453
O41.62692.49732.45622.51722.85820.9728
O51.62692.45622.49732.51720.97282.8582
H62.11483.24532.44032.85820.97283.4228
H72.11482.44033.24530.97282.85823.4228

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 106.131 S1 O5 H6 106.131
O2 S1 O3 125.158 O2 S1 O4 108.261
O2 S1 O5 105.681 O3 S1 O4 105.681
O3 S1 O5 108.261 O4 S1 O5 101.360
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 1.020      
2 O -0.408      
3 O -0.408      
4 O -0.301      
5 O -0.301      
6 H 0.199      
7 H 0.199      


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 -2.787 2.787
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.639 5.396 0.000
y 5.396 -35.898 0.000
z 0.000 0.000 -34.419
Traceless
 xyz
x 3.519 5.396 0.000
y 5.396 -2.868 0.000
z 0.000 0.000 -0.651
Polar
3z2-r2-1.302
x2-y24.258
xy5.396
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.869 0.324 0.000
y 0.324 4.573 0.000
z 0.000 0.000 3.799


<r2> (average value of r2) Å2
<r2> 104.896
(<r2>)1/2 10.242