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

using model chemistry: PBEPBEultrafine/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at PBEPBEultrafine/cc-pVTZ
 hartrees
Energy at 0K-2703.074995
Energy at 298.15K-2703.077128
HF Energy-2703.074995
Nuclear repulsion energy447.298716
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 PBEPBEultrafine/cc-pVTZ
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 3635 3609 28.89      
2 A 1062 1054 68.32      
3 A 933 927 49.47      
4 A 634 630 68.93      
5 A 334 332 51.01      
6 A 312 310 8.75      
7 A 241 239 1.65      
8 A 156 155 72.99      
9 B 3631 3606 173.80      
10 B 1106 1098 109.23      
11 B 999 993 81.89      
12 B 648 643 142.56      
13 B 338 335 42.74      
14 B 316 314 41.99      
15 B 262 260 33.17      

Unscaled Zero Point Vibrational Energy (zpe) 7303.6 cm-1
Scaled (by 0.9931) Zero Point Vibrational Energy (zpe) 7253.2 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 PBEPBEultrafine/cc-pVTZ
ABC
0.13594 0.13095 0.12634

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/cc-pVTZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Se1 0.000 0.000 0.133
O2 0.000 1.437 0.860
O3 0.000 -1.437 0.860
O4 1.373 0.021 -1.004
O5 -1.373 -0.021 -1.004
H6 1.632 -0.918 -1.105
H7 -1.632 0.918 -1.105

Atom - Atom Distances (Å)
  Se1 O2 O3 O4 O5 H6 H7
Se11.61051.61051.78231.78232.24502.2450
O21.61052.87452.71342.73553.47442.6065
O31.61052.87452.73552.71342.60653.4744
O41.78232.71342.73552.74540.97953.1376
O51.78232.73552.71342.74543.13760.9795
H62.24503.47442.60650.97953.13763.7457
H72.24502.60653.47443.13760.97953.7457

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 104.999 Se1 O5 H7 104.999
O2 Se1 O3 126.356 O2 Se1 O4 106.101
O2 Se1 O5 107.356 O3 Se1 O4 107.356
O3 Se1 O5 106.101 O4 Se1 O5 100.737
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Se 1.057      
2 O -0.431      
3 O -0.431      
4 O -0.316      
5 O -0.316      
6 H 0.219      
7 H 0.219      


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 -2.401 2.401
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.878 -5.710 0.000
y -5.710 -42.645 0.000
z 0.000 0.000 -41.291
Traceless
 xyz
x 5.090 -5.710 0.000
y -5.710 -3.560 0.000
z 0.000 0.000 -1.530
Polar
3z2-r2-3.059
x2-y25.767
xy-5.710
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.908 -0.353 0.000
y -0.353 6.554 0.000
z 0.000 0.000 5.769


<r2> (average value of r2) Å2
<r2> 126.359
(<r2>)1/2 11.241