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

using model chemistry: B3LYPultrafine/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 B3LYPultrafine/aug-cc-pVTZ
 hartrees
Energy at 0K-700.418316
Energy at 298.15K-700.423308
HF Energy-700.418316
Nuclear repulsion energy286.542265
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/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 3751 3629 45.41      
2 A 1185 1147 163.77      
3 A 1151 1113 73.56      
4 A 787 761 107.18      
5 A 522 505 36.21      
6 A 418 405 14.16      
7 A 357 345 1.22      
8 A 235 228 101.21      
9 B 3746 3625 203.70      
10 B 1431 1384 287.67      
11 B 1163 1126 86.10      
12 B 840 813 321.95      
13 B 531 514 22.24      
14 B 477 461 40.10      
15 B 313 303 56.09      

Unscaled Zero Point Vibrational Energy (zpe) 8452.9 cm-1
Scaled (by 0.9675) Zero Point Vibrational Energy (zpe) 8178.2 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 B3LYPultrafine/aug-cc-pVTZ
ABC
0.16627 0.16298 0.15708

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/aug-cc-pVTZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.154
O2 0.000 1.257 0.828
O3 0.000 -1.257 0.828
O4 1.241 -0.044 -0.846
O5 -1.241 0.044 -0.846
H6 -1.506 -0.854 -1.089
H7 1.506 0.854 -1.089

Atom - Atom Distances (Å)
  S1 O2 O3 O4 O5 H6 H7
S11.42671.42671.59391.59392.13142.1314
O21.42672.51472.45642.41133.22512.4714
O31.42672.51472.41132.45642.47143.2251
O41.59392.45642.41132.48342.87440.9669
O51.59392.41132.45642.48340.96692.8744
H62.13143.22512.47142.87440.96693.4625
H72.13142.47143.22510.96692.87443.4625

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 110.255 S1 O5 H6 110.255
O2 S1 O3 123.595 O2 S1 O4 108.690
O2 S1 O5 105.794 O3 S1 O4 105.794
O3 S1 O5 108.690 O4 S1 O5 102.342
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 2.124      
2 O -0.767      
3 O -0.767      
4 O -0.452      
5 O -0.452      
6 H 0.157      
7 H 0.157      


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 -3.053 3.053
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.194 5.299 0.000
y 5.299 -37.136 0.000
z 0.000 0.000 -35.149
Traceless
 xyz
x 3.948 5.299 0.000
y 5.299 -3.465 0.000
z 0.000 0.000 -0.484
Polar
3z2-r2-0.967
x2-y24.942
xy5.299
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.412 0.222 0.000
y 0.222 5.761 0.000
z 0.000 0.000 5.358


<r2> (average value of r2) Å2
<r2> 103.956
(<r2>)1/2 10.196