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

using model chemistry: B3LYP/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at B3LYP/6-31G
 hartrees
Energy at 0K-2700.954078
Energy at 298.15K-2700.955560
HF Energy-2700.954078
Nuclear repulsion energy428.605321
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/6-31G
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 3565 3430 36.61      
2 A 1040 1000 60.44      
3 A 806 776 38.35      
4 A 577 555 62.55      
5 A 302 291 82.72      
6 A 259 249 19.80      
7 A 201 193 0.66      
8 A 110 106 112.31      
9 B 3563 3427 139.47      
10 B 1073 1032 75.43      
11 B 864 831 33.17      
12 B 594 572 126.36      
13 B 274 263 42.60      
14 B 264 254 74.31      
15 B 186 179 91.45      

Unscaled Zero Point Vibrational Energy (zpe) 6839.2 cm-1
Scaled (by 0.962) Zero Point Vibrational Energy (zpe) 6579.3 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/6-31G
ABC
0.12483 0.11823 0.11797

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Se1 0.000 0.000 0.141
O2 0.000 1.503 0.916
O3 0.000 -1.503 0.916
O4 1.398 0.007 -1.070
O5 -1.398 -0.007 -1.070
H6 1.738 -0.916 -1.160
H7 -1.738 0.916 -1.160

Atom - Atom Distances (Å)
  Se1 O2 O3 O4 O5 H6 H7
Se11.69111.69111.84991.84992.35672.3567
O21.69113.00602.85272.86023.63092.7711
O31.69113.00602.86022.85272.77113.6309
O41.84992.85272.86022.79640.98773.2668
O51.84992.86022.85272.79643.26680.9877
H62.35673.63092.77110.98773.26683.9297
H72.35672.77113.63093.26680.98773.9297

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 108.453 Se1 O5 H7 108.453
O2 Se1 O3 125.439 O2 Se1 O4 107.257
O2 Se1 O5 107.671 O3 Se1 O4 107.671
O3 Se1 O5 107.257 O4 Se1 O5 98.197
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Se 1.744      
2 O -0.610      
3 O -0.610      
4 O -0.678      
5 O -0.678      
6 H 0.416      
7 H 0.416      


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 -2.124 2.124
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.476 -7.427 0.000
y -7.427 -45.303 0.000
z 0.000 0.000 -43.858
Traceless
 xyz
x 7.105 -7.427 0.000
y -7.427 -4.636 0.000
z 0.000 0.000 -2.469
Polar
3z2-r2-4.937
x2-y27.827
xy-7.427
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.271 -0.518 0.000
y -0.518 6.350 0.000
z 0.000 0.000 5.277


<r2> (average value of r2) Å2
<r2> 136.632
(<r2>)1/2 11.689