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All results from a given calculation for H2SeO4 (Selenic acid)

using model chemistry: B97D3/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at B97D3/6-311+G(3df,2p)
 hartrees
Energy at 0K-2704.713107
Energy at 298.15K-2704.715238
HF Energy-2704.713107
Nuclear repulsion energy448.456857
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 B97D3/6-311+G(3df,2p)
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 3686 3638 33.90      
2 A 1076 1062 62.19      
3 A 926 914 54.16      
4 A 617 609 74.35      
5 A 336 332 46.70      
6 A 313 309 8.81      
7 A 244 241 0.43      
8 A 159 156 76.24      
9 B 3683 3635 170.69      
10 B 1116 1101 110.86      
11 B 993 981 93.24      
12 B 629 621 147.35      
13 B 340 336 38.32      
14 B 319 315 37.72      
15 B 266 262 37.55      

Unscaled Zero Point Vibrational Energy (zpe) 7351.6 cm-1
Scaled (by 0.987) Zero Point Vibrational Energy (zpe) 7256.0 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 B97D3/6-311+G(3df,2p)
ABC
0.13580 0.13206 0.12716

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-311+G(3df,2p)

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Se1 0.000 0.000 0.133
O2 0.000 1.430 0.860
O3 0.000 -1.430 0.860
O4 1.372 0.031 -1.000
O5 -1.372 -0.031 -1.000
H6 1.619 -0.900 -1.144
H7 -1.619 0.900 -1.144

Atom - Atom Distances (Å)
  Se1 O2 O3 O4 O5 H6 H7
Se11.60351.60351.78031.78032.25042.2504
O21.60352.85922.70182.73403.47332.6305
O31.60352.85922.73402.70182.63053.4733
O41.78032.70182.73402.74550.97323.1186
O51.78032.73402.70182.74553.11860.9732
H62.25043.47332.63050.97323.11863.7048
H72.25042.63053.47333.11860.97323.7048

picture of Selenic acid state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Se1 O4 H6 108.472 Se1 O5 H7 108.472
O2 Se1 O3 125.284 O2 Se1 O4 106.896
O2 Se1 O5 107.195 O3 Se1 O4 107.195
O3 Se1 O5 106.896 O4 Se1 O5 100.734
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Se 1.978      
2 O -0.629      
3 O -0.629      
4 O -0.609      
5 O -0.609      
6 H 0.248      
7 H 0.248      


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 -2.514 2.514
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.399 -5.606 0.000
y -5.606 -43.066 0.000
z 0.000 0.000 -41.328
Traceless
 xyz
x 4.798 -5.606 0.000
y -5.606 -3.702 0.000
z 0.000 0.000 -1.096
Polar
3z2-r2-2.191
x2-y25.667
xy-5.606
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.757 -0.236 0.000
y -0.236 7.252 0.000
z 0.000 0.000 6.671


<r2> (average value of r2) Å2
<r2> 126.126
(<r2>)1/2 11.231