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

using model chemistry: B3LYP/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 B3LYP/cc-pVDZ
 hartrees
Energy at 0K-700.229267
Energy at 298.15K-700.234095
Nuclear repulsion energy281.297013
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 B3LYP/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 3712 3600 37.73      
2 A 1145 1111 28.05      
3 A 1143 1108 210.78      
4 A 761 738 98.45      
5 A 490 476 44.57      
6 A 401 389 17.69      
7 A 337 327 2.51      
8 A 226 219 94.80      
9 B 3708 3597 186.28      
10 B 1393 1351 238.84      
11 B 1151 1116 84.33      
12 B 825 800 314.83      
13 B 500 485 24.65      
14 B 450 437 47.94      
15 B 301 292 53.09      

Unscaled Zero Point Vibrational Energy (zpe) 8270.9 cm-1
Scaled (by 0.97) Zero Point Vibrational Energy (zpe) 8022.8 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 B3LYP/cc-pVDZ
ABC
0.15997 0.15737 0.15117

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/cc-pVDZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.170
O2 0.000 1.298 0.843
O3 0.000 -1.298 0.843
O4 1.271 -0.044 -0.875
O5 -1.271 0.044 -0.875
H6 -1.470 -0.884 -1.101
H7 1.470 0.884 -1.101

Atom - Atom Distances (Å)
  S1 O2 O3 O4 O5 H6 H7
S11.46171.46171.64541.64542.13512.1351
O21.46172.59522.52262.47693.27122.4718
O31.46172.59522.47692.52262.47183.2712
O41.64542.52262.47692.54302.87570.9762
O51.64542.47692.52262.54300.97622.8757
H62.13513.27122.47182.87570.97623.4312
H72.13512.47183.27120.97622.87573.4312

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 106.233 S1 O5 H6 106.233
O2 S1 O3 125.183 O2 S1 O4 108.416
O2 S1 O5 105.570 O3 S1 O4 105.570
O3 S1 O5 108.416 O4 S1 O5 101.207
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 1.039      
2 O -0.409      
3 O -0.409      
4 O -0.303      
5 O -0.303      
6 H 0.193      
7 H 0.193      


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 -2.783 2.783
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.926 5.350 0.000
y 5.350 -36.169 0.000
z 0.000 0.000 -34.498
Traceless
 xyz
x 3.408 5.350 0.000
y 5.350 -2.957 0.000
z 0.000 0.000 -0.451
Polar
3z2-r2-0.901
x2-y24.243
xy5.350
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.977 0.339 0.000
y 0.339 4.658 0.000
z 0.000 0.000 3.908


<r2> (average value of r2) Å2
<r2> 106.536
(<r2>)1/2 10.322