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

using model chemistry: B3PW91/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at B3PW91/6-311G*
 hartrees
Energy at 0K-2703.450431
Energy at 298.15K-2703.452728
HF Energy-2703.450431
Nuclear repulsion energy450.213342
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 B3PW91/6-311G*
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 3752 3612 36.87      
2 A 1102 1061 78.37      
3 A 938 903 62.85      
4 A 655 631 75.80      
5 A 356 343 107.02      
6 A 327 315 1.57      
7 A 252 243 0.01      
8 A 183 176 89.41      
9 B 3749 3609 159.61      
10 B 1142 1100 125.00      
11 B 1012 974 89.37      
12 B 666 641 155.96      
13 B 355 341 86.77      
14 B 331 318 45.59      
15 B 279 268 36.40      

Unscaled Zero Point Vibrational Energy (zpe) 7548.6 cm-1
Scaled (by 0.9627) Zero Point Vibrational Energy (zpe) 7267.0 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 B3PW91/6-311G*
ABC
0.13798 0.13257 0.12790

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Se1 0.000 0.000 0.137
O2 0.000 1.433 0.848
O3 0.000 -1.433 0.848
O4 1.361 0.020 -0.995
O5 -1.361 -0.020 -0.995
H6 1.615 -0.901 -1.158
H7 -1.615 0.901 -1.158

Atom - Atom Distances (Å)
  Se1 O2 O3 O4 O5 H6 H7
Se11.59941.59941.77011.77012.25762.2576
O21.59942.86562.69122.71283.47522.6295
O31.59942.86562.71282.69122.62953.4752
O41.77012.69122.71282.72150.96953.1073
O51.77012.71282.69122.72153.10730.9695
H62.25763.47522.62950.96953.10733.6983
H72.25762.62953.47523.10730.96953.6983

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 107.349 Se1 O5 H7 107.349
O2 Se1 O3 127.235 O2 Se1 O4 105.896
O2 Se1 O5 107.128 O3 Se1 O4 107.128
O3 Se1 O5 105.896 O4 Se1 O5 100.480
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Se 1.249      
2 O -0.469      
3 O -0.469      
4 O -0.593      
5 O -0.593      
6 H 0.438      
7 H 0.438      


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 -2.516 2.516
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.127 -6.551 0.000
y -6.551 -42.947 0.000
z 0.000 0.000 -40.935
Traceless
 xyz
x 4.814 -6.551 0.000
y -6.551 -3.917 0.000
z 0.000 0.000 -0.897
Polar
3z2-r2-1.795
x2-y25.820
xy-6.551
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.034 -0.335 0.000
y -0.335 5.825 0.000
z 0.000 0.000 4.913


<r2> (average value of r2) Å2
<r2> 125.169
(<r2>)1/2 11.188