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

using model chemistry: B97D3/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at B97D3/6-31+G**
 hartrees
Energy at 0K-2702.467742
Energy at 298.15K-2702.469770
HF Energy-2702.467742
Nuclear repulsion energy443.194324
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 B97D3/6-31+G**
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 3664 3601 43.83      
2 A 1061 1043 58.72      
3 A 913 897 60.46      
4 A 590 580 79.61      
5 A 327 321 68.17      
6 A 310 304 1.85      
7 A 239 235 1.22      
8 A 161 158 77.69      
9 B 3661 3598 159.67      
10 B 1099 1081 108.95      
11 B 981 964 99.90      
12 B 598 588 153.94      
13 B 332 326 38.50      
14 B 307 301 52.94      
15 B 266 261 35.01      

Unscaled Zero Point Vibrational Energy (zpe) 7253.5 cm-1
Scaled (by 0.9828) Zero Point Vibrational Energy (zpe) 7128.7 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 B97D3/6-31+G**
ABC
0.13255 0.12927 0.12394

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31+G**

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Se1 0.000 0.000 0.141
O2 0.000 1.452 0.861
O3 0.000 -1.452 0.861
O4 1.389 0.039 -1.011
O5 -1.389 -0.039 -1.011
H6 1.598 -0.897 -1.202
H7 -1.598 0.897 -1.202

Atom - Atom Distances (Å)
  Se1 O2 O3 O4 O5 H6 H7
Se11.62121.62121.80471.80472.27212.2721
O21.62122.90472.72572.76743.51172.6680
O31.62122.90472.76742.72572.66803.5117
O41.80472.72572.76742.77900.97893.1137
O51.80472.76742.72572.77903.11370.9789
H62.27213.51172.66800.97893.11373.6657
H72.27212.66803.51173.11370.97893.6657

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 108.638 Se1 O5 H7 108.638
O2 Se1 O3 125.904 O2 Se1 O4 106.914
O2 Se1 O5 106.936 O3 Se1 O4 106.936
O3 Se1 O5 106.914 O4 Se1 O5 100.386
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Se 1.274      
2 O -0.493      
3 O -0.493      
4 O -0.515      
5 O -0.515      
6 H 0.371      
7 H 0.371      


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 -2.521 2.521
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.449 -5.984 0.000
y -5.984 -43.398 0.000
z 0.000 0.000 -41.349
Traceless
 xyz
x 3.925 -5.984 0.000
y -5.984 -3.499 0.000
z 0.000 0.000 -0.426
Polar
3z2-r2-0.852
x2-y24.949
xy-5.984
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.431 -0.206 0.000
y -0.206 7.141 0.000
z 0.000 0.000 6.386


<r2> (average value of r2) Å2
<r2> 128.783
(<r2>)1/2 11.348