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

using model chemistry: HSEh1PBE/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at HSEh1PBE/cc-pVDZ
 hartrees
Energy at 0K-2702.917867
Energy at 298.15K-2702.920191
HF Energy-2702.917867
Nuclear repulsion energy450.108133
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 HSEh1PBE/cc-pVDZ
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 3756 3613 27.60      
2 A 1086 1045 74.67      
3 A 960 924 58.30      
4 A 693 667 66.17      
5 A 352 339 81.29      
6 A 321 309 5.92      
7 A 255 245 2.48      
8 A 173 166 79.19      
9 B 3752 3609 233.63      
10 B 1130 1087 111.48      
11 B 1031 992 84.54      
12 B 705 678 147.31      
13 B 357 344 72.23      
14 B 329 316 45.38      
15 B 273 262 38.82      

Unscaled Zero Point Vibrational Energy (zpe) 7586.6 cm-1
Scaled (by 0.9619) Zero Point Vibrational Energy (zpe) 7297.5 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 HSEh1PBE/cc-pVDZ
ABC
0.13871 0.13179 0.12804

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/cc-pVDZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Se1 0.000 0.000 0.134
O2 0.000 1.435 0.851
O3 0.000 -1.435 0.851
O4 1.355 0.009 -1.000
O5 -1.355 -0.009 -1.000
H6 1.626 -0.924 -1.083
H7 -1.626 0.924 -1.083

Atom - Atom Distances (Å)
  Se1 O2 O3 O4 O5 H6 H7
Se11.60441.60441.76701.76702.23082.2308
O21.60442.87022.70162.71083.45662.5780
O31.60442.87022.71082.70162.57803.4566
O41.76702.70162.71082.70990.97443.1188
O51.76702.71082.70162.70993.11880.9744
H62.23083.45662.57800.97443.11883.7392
H72.23082.57803.45663.11880.97443.7392

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 105.238 Se1 O5 H7 105.238
O2 Se1 O3 126.879 O2 Se1 O4 106.417
O2 Se1 O5 106.942 O3 Se1 O4 106.942
O3 Se1 O5 106.417 O4 Se1 O5 100.135
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Se 1.305      
2 O -0.492      
3 O -0.492      
4 O -0.363      
5 O -0.363      
6 H 0.202      
7 H 0.202      


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 -2.321 2.321
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.359 -5.962 0.000
y -5.962 -42.506 0.000
z 0.000 0.000 -41.090
Traceless
 xyz
x 5.440 -5.962 0.000
y -5.962 -3.782 0.000
z 0.000 0.000 -1.658
Polar
3z2-r2-3.315
x2-y26.148
xy-5.962
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.735 -0.405 0.000
y -0.405 5.538 0.000
z 0.000 0.000 4.557


<r2> (average value of r2) Å2
<r2> 124.851
(<r2>)1/2 11.174