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

using model chemistry: M06-2X/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at M06-2X/6-311G**
 hartrees
Energy at 0K-2703.482958
Energy at 298.15K-2703.485598
HF Energy-2703.482958
Nuclear repulsion energy454.166111
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 M06-2X/6-311G**
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 3829 3829 40.82      
2 A 1111 1111 85.37      
3 A 984 984 62.95      
4 A 720 720 77.64      
5 A 384 384 133.56      
6 A 350 350 0.39      
7 A 269 269 1.71      
8 A 230 230 62.86      
9 B 3825 3825 280.99      
10 B 1151 1151 125.50      
11 B 1057 1057 90.14      
12 B 726 726 159.30      
13 B 382 382 134.34      
14 B 356 356 25.27      
15 B 318 318 24.40      

Unscaled Zero Point Vibrational Energy (zpe) 7845.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 7845.6 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 M06-2X/6-311G**
ABC
0.14139 0.13392 0.13061

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-311G**

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Se1 0.000 0.000 0.133
O2 0.000 1.423 0.846
O3 0.000 -1.423 0.846
O4 1.339 0.006 -0.989
O5 -1.339 -0.006 -0.989
H6 1.621 -0.911 -1.116
H7 -1.621 0.911 -1.116

Atom - Atom Distances (Å)
  Se1 O2 O3 O4 O5 H6 H7
Se11.59131.59131.74711.74712.24002.2400
O21.59132.84592.67722.68353.45302.5956
O31.59132.84592.68352.67722.59563.4530
O41.74712.67722.68352.67740.96793.0974
O51.74712.68352.67722.67743.09740.9679
H62.24003.45302.59560.96793.09743.7187
H72.24002.59563.45303.09740.96793.7187

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 107.709 Se1 O5 H7 107.709
O2 Se1 O3 126.806 O2 Se1 O4 106.537
O2 Se1 O5 106.900 O3 Se1 O4 106.900
O3 Se1 O5 106.537 O4 Se1 O5 100.039
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Se 1.296      
2 O -0.504      
3 O -0.504      
4 O -0.461      
5 O -0.461      
6 H 0.317      
7 H 0.317      


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 -2.592 2.592
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.819 -6.372 0.000
y -6.372 -43.741 0.000
z 0.000 0.000 -41.626
Traceless
 xyz
x 5.865 -6.372 0.000
y -6.372 -4.519 0.000
z 0.000 0.000 -1.346
Polar
3z2-r2-2.691
x2-y26.922
xy-6.372
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.808 -0.349 0.000
y -0.349 5.645 0.000
z 0.000 0.000 4.710


<r2> (average value of r2) Å2
<r2> 123.621
(<r2>)1/2 11.119