return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: B3LYP/6-311G*

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/6-311G*
 hartrees
Energy at 0K-2703.585736
Energy at 298.15K-2703.587959
HF Energy-2703.585736
Nuclear repulsion energy447.684014
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/6-311G*
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 3722 3596 35.60      
2 A 1103 1066 74.78      
3 A 914 883 60.65      
4 A 636 614 73.83      
5 A 349 338 103.93      
6 A 321 310 1.20      
7 A 247 239 0.01      
8 A 180 174 87.99      
9 B 3719 3593 148.84      
10 B 1141 1103 118.93      
11 B 987 954 84.95      
12 B 647 625 151.82      
13 B 347 336 83.04      
14 B 326 315 44.47      
15 B 273 264 36.03      

Unscaled Zero Point Vibrational Energy (zpe) 7456.6 cm-1
Scaled (by 0.9663) Zero Point Vibrational Energy (zpe) 7205.3 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/6-311G*
ABC
0.13620 0.13111 0.12654

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-311G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Se1 0.000 0.000 0.139
O2 0.000 1.439 0.853
O3 0.000 -1.439 0.853
O4 1.369 0.022 -1.002
O5 -1.369 -0.022 -1.002
H6 1.627 -0.901 -1.165
H7 -1.627 0.901 -1.165

Atom - Atom Distances (Å)
  Se1 O2 O3 O4 O5 H6 H7
Se11.60691.60691.78211.78212.27102.2710
O21.60692.87892.70662.72953.49232.6477
O31.60692.87892.72952.70662.64773.4923
O41.78212.70662.72952.73840.97133.1262
O51.78212.72952.70662.73843.12620.9713
H62.27103.49232.64770.97133.12623.7185
H72.27102.64773.49233.12620.97133.7185

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 107.448 Se1 O5 H7 107.448
O2 Se1 O3 127.211 O2 Se1 O4 105.885
O2 Se1 O5 107.182 O3 Se1 O4 107.182
O3 Se1 O5 105.885 O4 Se1 O5 100.403
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Se 1.261      
2 O -0.469      
3 O -0.469      
4 O -0.591      
5 O -0.591      
6 H 0.429      
7 H 0.429      


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 -2.475 2.475
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.348 -6.529 0.000
y -6.529 -43.214 0.000
z 0.000 0.000 -41.171
Traceless
 xyz
x 4.845 -6.529 0.000
y -6.529 -3.954 0.000
z 0.000 0.000 -0.890
Polar
3z2-r2-1.780
x2-y25.866
xy-6.529
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.150 -0.362 0.000
y -0.362 5.898 0.000
z 0.000 0.000 5.007


<r2> (average value of r2) Å2
<r2> 126.483
(<r2>)1/2 11.246