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

using model chemistry: B3PW91/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 B3PW91/cc-pVTZ
 hartrees
Energy at 0K-2703.615360
Energy at 298.15K-2703.617767
HF Energy-2703.615360
Nuclear repulsion energy454.576691
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/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 3779 3634 33.56      
2 A 1094 1052 77.06      
3 A 982 945 55.02      
4 A 700 673 74.92      
5 A 361 347 63.43      
6 A 330 317 10.57      
7 A 264 254 2.52      
8 A 176 170 79.63      
9 B 3776 3631 227.75      
10 B 1140 1096 129.03      
11 B 1048 1008 82.71      
12 B 710 683 154.60      
13 B 363 349 60.69      
14 B 338 325 41.04      
15 B 277 267 41.09      

Unscaled Zero Point Vibrational Energy (zpe) 7669.8 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 7375.3 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 B3PW91/cc-pVTZ
ABC
0.14083 0.13469 0.13093

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pVTZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Se1 0.000 0.000 0.128
O2 0.000 1.415 0.853
O3 0.000 -1.415 0.853
O4 1.343 0.014 -0.987
O5 -1.343 -0.014 -0.987
H6 1.626 -0.906 -1.095
H7 -1.626 0.906 -1.095

Atom - Atom Distances (Å)
  Se1 O2 O3 O4 O5 H6 H7
Se11.58991.58991.74561.74562.22742.2274
O21.58992.82982.67442.68893.43902.5880
O31.58992.82982.68892.67442.58803.4390
O41.74562.67442.68892.68660.96863.1025
O51.74562.68892.67442.68663.10250.9686
H62.22743.43902.58800.96863.10253.7233
H72.22742.58803.43903.10250.96863.7233

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 106.777 Se1 O5 H7 106.777
O2 Se1 O3 125.735 O2 Se1 O4 106.513
O2 Se1 O5 107.351 O3 Se1 O4 107.351
O3 Se1 O5 106.513 O4 Se1 O5 100.626
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Se 1.158      
2 O -0.470      
3 O -0.470      
4 O -0.330      
5 O -0.330      
6 H 0.221      
7 H 0.221      


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 -2.646 2.646
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.212 -5.863 0.000
y -5.863 -42.877 0.000
z 0.000 0.000 -41.132
Traceless
 xyz
x 5.793 -5.863 0.000
y -5.863 -4.206 0.000
z 0.000 0.000 -1.587
Polar
3z2-r2-3.174
x2-y26.665
xy-5.863
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.447 -0.311 0.000
y -0.311 6.139 0.000
z 0.000 0.000 5.370


<r2> (average value of r2) Å2
<r2> 123.039
(<r2>)1/2 11.092