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

using model chemistry: B1B95/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 B1B95/aug-cc-pVTZ
 hartrees
Energy at 0K-700.364445
Energy at 298.15K-700.369512
HF Energy-700.364445
Nuclear repulsion energy289.310715
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/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 3806 3648 46.62      
2 A 1227 1176 181.16      
3 A 1143 1096 67.85      
4 A 834 799 103.59      
5 A 535 513 42.31      
6 A 428 410 12.60      
7 A 364 349 0.81      
8 A 231 222 105.17      
9 B 3802 3644 222.37      
10 B 1474 1413 295.52      
11 B 1163 1114 91.03      
12 B 890 853 328.38      
13 B 546 523 29.63      
14 B 485 465 43.39      
15 B 316 303 54.61      

Unscaled Zero Point Vibrational Energy (zpe) 8621.8 cm-1
Scaled (by 0.9585) Zero Point Vibrational Energy (zpe) 8264.0 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/aug-cc-pVTZ
ABC
0.16981 0.16635 0.15998

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.153
O2 0.000 1.253 0.822
O3 0.000 -1.253 0.822
O4 1.230 0.043 -0.840
O5 -1.230 -0.043 -0.840
H6 1.484 -0.856 -1.077
H7 -1.484 0.856 -1.077

Atom - Atom Distances (Å)
  S1 O2 O3 O4 O5 H6 H7
S11.42011.42011.58161.58162.10912.1091
O21.42012.50532.39582.44013.20232.4430
O31.42012.50532.44012.39582.44303.2023
O41.58162.39582.44012.46200.96332.8435
O51.58162.44012.39582.46202.84350.9633
H62.10913.20232.44300.96332.84353.4264
H72.10912.44303.20232.84350.96333.4264

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 46.963 S1 O5 H6 46.963
O2 S1 O3 123.781 O2 S1 O4 105.780
O2 S1 O5 108.644 O3 S1 O4 108.644
O3 S1 O5 105.780 O4 S1 O5 102.216
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 1.839      
2 O -0.708      
3 O -0.708      
4 O -0.399      
5 O -0.399      
6 H 0.187      
7 H 0.187      


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 -3.077 3.077
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.669 -5.279 0.000
y -5.279 -36.621 0.000
z 0.000 0.000 -34.737
Traceless
 xyz
x 4.010 -5.279 0.000
y -5.279 -3.418 0.000
z 0.000 0.000 -0.592
Polar
3z2-r2-1.184
x2-y24.952
xy-5.279
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.200 -0.218 0.000
y -0.218 5.574 0.000
z 0.000 0.000 5.149


<r2> (average value of r2) Å2
<r2> 102.035
(<r2>)1/2 10.101