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

using model chemistry: B1B95/cc-pV(T+d)Z

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-pV(T+d)Z
 hartrees
Energy at 0K-700.385299
Energy at 298.15K-700.390482
HF Energy-700.385299
Nuclear repulsion energy291.659376
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-pV(T+d)Z
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 3821 3658 49.11      
2 A 1266 1212 183.91      
3 A 1143 1094 71.52      
4 A 860 823 107.81      
5 A 553 530 46.43      
6 A 443 425 13.68      
7 A 379 363 1.54      
8 A 244 234 107.93      
9 B 3817 3654 220.61      
10 B 1520 1455 291.53      
11 B 1165 1115 91.72      
12 B 915 876 348.65      
13 B 565 541 32.72      
14 B 501 480 43.92      
15 B 327 313 58.17      

Unscaled Zero Point Vibrational Energy (zpe) 8759.4 cm-1
Scaled (by 0.9573) Zero Point Vibrational Energy (zpe) 8385.3 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-pV(T+d)Z
ABC
0.17262 0.16912 0.16264

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/cc-pV(T+d)Z

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.154
O2 0.000 1.247 0.818
O3 0.000 -1.247 0.818
O4 1.226 -0.042 -0.836
O5 -1.226 0.042 -0.836
H6 -1.453 -0.859 -1.092
H7 1.453 0.859 -1.092

Atom - Atom Distances (Å)
  S1 O2 O3 O4 O5 H6 H7
S11.41261.41261.57641.57642.09822.0982
O21.41262.49422.42882.38513.19292.4307
O31.41262.49422.38512.42882.43073.1929
O41.57642.42882.38512.45382.81250.9641
O51.57642.38512.42882.45380.96412.8125
H62.09823.19292.43072.81250.96413.3758
H72.09822.43073.19290.96412.81253.3758

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 108.961 S1 O5 H6 108.961
O2 S1 O3 123.975 O2 S1 O4 108.573
O2 S1 O5 105.741 O3 S1 O4 105.741
O3 S1 O5 108.573 O4 S1 O5 102.208
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/cc-pV(T+d)Z Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.927      
2 O -0.414      
3 O -0.414      
4 O -0.292      
5 O -0.292      
6 H 0.242      
7 H 0.242      


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 -3.163 3.163
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.189 5.291 0.000
y 5.291 -36.032 0.000
z 0.000 0.000 -34.044
Traceless
 xyz
x 3.849 5.291 0.000
y 5.291 -3.415 0.000
z 0.000 0.000 -0.434
Polar
3z2-r2-0.868
x2-y24.842
xy5.291
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.311 0.253 0.000
y 0.253 4.843 0.000
z 0.000 0.000 4.281


<r2> (average value of r2) Å2
<r2> 100.384
(<r2>)1/2 10.019