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

using model chemistry: LSDA/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 LSDA/6-31G*
 hartrees
Energy at 0K-2697.229846
Energy at 298.15K-2697.232061
HF Energy-2697.229846
Nuclear repulsion energy451.081711
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 LSDA/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 3601 3534 14.94      
2 A 1098 1077 108.80      
3 A 974 955 47.35      
4 A 684 671 61.50      
5 A 343 336 75.19      
6 A 315 309 8.95      
7 A 248 243 10.52      
8 A 151 149 53.49      
9 B 3598 3531 209.63      
10 B 1142 1121 123.52      
11 B 1036 1017 88.53      
12 B 707 694 142.92      
13 B 341 335 80.48      
14 B 308 302 44.37      
15 B 296 290 39.37      

Unscaled Zero Point Vibrational Energy (zpe) 7420.5 cm-1
Scaled (by 0.9813) Zero Point Vibrational Energy (zpe) 7281.8 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 LSDA/6-31G*
ABC
0.14200 0.13048 0.12850

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Se1 0.000 0.000 0.127
O2 0.000 1.436 0.851
O3 0.000 -1.436 0.851
O4 1.343 -0.034 -1.003
O5 -1.343 0.034 -1.003
H6 1.667 -0.964 -0.944
H7 -1.667 0.964 -0.944

Atom - Atom Distances (Å)
  Se1 O2 O3 O4 O5 H6 H7
Se11.60791.60791.75591.75592.20382.2038
O21.60792.87192.72092.68433.42942.4945
O31.60792.87192.68432.72092.49453.4294
O41.75592.72092.68432.68710.98663.1725
O51.75592.68432.72092.68713.17250.9866
H62.20383.42942.49450.98663.17253.8525
H72.20382.49453.42943.17250.98663.8525

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 103.356 Se1 O5 H7 103.356
O2 Se1 O3 126.516 O2 Se1 O4 107.892
O2 Se1 O5 105.795 O3 Se1 O4 105.795
O3 Se1 O5 107.892 O4 Se1 O5 99.844
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Se 1.133      
2 O -0.451      
3 O -0.451      
4 O -0.561      
5 O -0.561      
6 H 0.446      
7 H 0.446      


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 -1.891 1.891
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.450 -6.363 0.000
y -6.363 -41.559 0.000
z 0.000 0.000 -42.031
Traceless
 xyz
x 6.345 -6.363 0.000
y -6.363 -2.819 0.000
z 0.000 0.000 -3.526
Polar
3z2-r2-7.052
x2-y26.109
xy-6.363
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.052 -0.520 0.000
y -0.520 5.794 0.000
z 0.000 0.000 4.788


<r2> (average value of r2) Å2
<r2> 124.094
(<r2>)1/2 11.140