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

using model chemistry: HSEh1PBE/TZVP

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/TZVP
 hartrees
Energy at 0K-2703.061579
Energy at 298.15K-2703.063967
HF Energy-2703.061579
Nuclear repulsion energy453.566684
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/TZVP
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 3795 3643 48.51      
2 A 1090 1046 69.33      
3 A 963 924 67.32      
4 A 682 655 81.12      
5 A 360 346 93.65      
6 A 329 316 5.14      
7 A 264 253 0.01      
8 A 190 182 84.97      
9 B 3791 3640 224.11      
10 B 1131 1086 122.84      
11 B 1035 994 100.11      
12 B 692 665 163.19      
13 B 359 344 75.31      
14 B 335 321 45.20      
15 B 278 267 44.89      

Unscaled Zero Point Vibrational Energy (zpe) 7646.2 cm-1
Scaled (by 0.9601) Zero Point Vibrational Energy (zpe) 7341.1 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/TZVP
ABC
0.14026 0.13456 0.12991

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Se1 0.000 0.000 0.135
O2 0.000 1.425 0.843
O3 0.000 -1.425 0.843
O4 1.347 0.024 -0.985
O5 -1.347 -0.024 -0.985
H6 1.591 -0.896 -1.164
H7 -1.591 0.896 -1.164

Atom - Atom Distances (Å)
  Se1 O2 O3 O4 O5 H6 H7
Se11.59181.59181.75161.75162.24122.2412
O21.59182.85092.66832.69373.45722.6158
O31.59182.85092.69372.66832.61583.4572
O41.75162.66832.69372.69400.96883.0702
O51.75162.69372.66832.69403.07020.9688
H62.24123.45722.61580.96883.07023.6527
H72.24122.61583.45723.07020.96883.6527

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 107.431 Se1 O5 H7 107.431
O2 Se1 O3 127.147 O2 Se1 O4 105.799
O2 Se1 O5 107.259 O3 Se1 O4 107.259
O3 Se1 O5 105.799 O4 Se1 O5 100.534
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Se 1.035      
2 O -0.452      
3 O -0.452      
4 O -0.382      
5 O -0.382      
6 H 0.317      
7 H 0.317      


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 -2.730 2.730
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.604 -6.210 0.000
y -6.210 -43.890 0.000
z 0.000 0.000 -41.281
Traceless
 xyz
x 4.982 -6.210 0.000
y -6.210 -4.448 0.000
z 0.000 0.000 -0.534
Polar
3z2-r2-1.068
x2-y26.286
xy-6.210
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.274 -0.284 0.000
y -0.284 6.209 0.000
z 0.000 0.000 5.251


<r2> (average value of r2) Å2
<r2> 123.996
(<r2>)1/2 11.135