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

using model chemistry: HSEh1PBE/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at HSEh1PBE/6-31G(2df,p)
 hartrees
Energy at 0K-2700.961417
Energy at 298.15K-2700.963927
HF Energy-2700.961417
Nuclear repulsion energy458.835219
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 HSEh1PBE/6-31G(2df,p)
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3821 3659 34.91      
2 A 1093 1047 91.30      
3 A 1026 982 43.93      
4 A 750 718 68.54      
5 A 364 348 72.67      
6 A 339 325 1.61      
7 A 270 259 3.17      
8 A 180 172 77.83      
9 B 3817 3655 228.68      
10 B 1161 1112 141.63      
11 B 1086 1040 73.63      
12 B 757 725 143.41      
13 B 367 351 68.62      
14 B 351 337 43.00      
15 B 294 282 31.10      

Unscaled Zero Point Vibrational Energy (zpe) 7837.2 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 7505.7 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 HSEh1PBE/6-31G(2df,p)
ABC
0.14457 0.13745 0.13269

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G(2df,p)

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Se1 0.000 0.000 0.130
O2 0.000 1.415 0.833
O3 0.000 -1.415 0.833
O4 1.326 0.019 -0.972
O5 -1.326 -0.019 -0.972
H6 1.596 -0.900 -1.101
H7 -1.596 0.900 -1.101

Atom - Atom Distances (Å)
  Se1 O2 O3 O4 O5 H6 H7
Se11.58011.58011.72381.72382.20752.2075
O21.58012.83022.63882.65913.41292.5597
O31.58012.83022.65912.63882.55973.4129
O41.72382.63882.65912.65140.96693.0544
O51.72382.65912.63882.65143.05440.9669
H62.20753.41292.55970.96693.05443.6650
H72.20752.55973.41293.05440.96693.6650

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 106.855 Se1 O5 H7 106.855
O2 Se1 O3 127.170 O2 Se1 O4 105.931
O2 Se1 O5 107.112 O3 Se1 O4 107.112
O3 Se1 O5 105.931 O4 Se1 O5 100.538
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Se 1.362      
2 O -0.492      
3 O -0.492      
4 O -0.542      
5 O -0.542      
6 H 0.353      
7 H 0.353      


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 -2.666 2.666
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.814 -5.641 0.000
y -5.641 -42.212 0.000
z 0.000 0.000 -40.236
Traceless
 xyz
x 5.410 -5.641 0.000
y -5.641 -4.186 0.000
z 0.000 0.000 -1.223
Polar
3z2-r2-2.447
x2-y26.398
xy-5.641
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.179 -0.329 0.000
y -0.329 5.689 0.000
z 0.000 0.000 5.025


<r2> (average value of r2) Å2
<r2> 120.706
(<r2>)1/2 10.987