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

using model chemistry: B1B95/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 B1B95/cc-pVDZ
 hartrees
Energy at 0K-2703.747526
Energy at 298.15K-2703.749861
HF Energy-2703.747526
Nuclear repulsion energy451.478938
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 B1B95/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 3766 3620 28.96      
2 A 1075 1034 75.91      
3 A 968 930 58.17      
4 A 701 673 67.09      
5 A 354 340 83.16      
6 A 322 309 6.13      
7 A 255 245 2.08      
8 A 174 167 79.17      
9 B 3763 3617 237.45      
10 B 1124 1080 115.14      
11 B 1036 996 81.61      
12 B 712 684 149.29      
13 B 358 344 73.98      
14 B 329 316 47.98      
15 B 273 263 36.44      

Unscaled Zero Point Vibrational Energy (zpe) 7604.2 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 7309.2 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 B1B95/cc-pVDZ
ABC
0.13965 0.13258 0.12880

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/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 1.431 0.848
O3 0.000 -1.431 0.848
O4 1.350 0.008 -0.997
O5 -1.350 -0.008 -0.997
H6 1.619 -0.923 -1.085
H7 -1.619 0.923 -1.085

Atom - Atom Distances (Å)
  Se1 O2 O3 O4 O5 H6 H7
Se11.59991.59991.76091.76092.22662.2266
O21.59992.86292.69302.70173.44962.5725
O31.59992.86292.70172.69302.57253.4496
O41.76092.69302.70172.70070.97283.1085
O51.76092.70172.69302.70073.10850.9728
H62.22663.44962.57250.97283.10853.7273
H72.22662.57253.44963.10850.97283.7273

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 105.410 Se1 O5 H7 105.410
O2 Se1 O3 126.942 O2 Se1 O4 106.410
O2 Se1 O5 106.909 O3 Se1 O4 106.909
O3 Se1 O5 106.410 O4 Se1 O5 100.142
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Se 1.297      
2 O -0.490      
3 O -0.490      
4 O -0.362      
5 O -0.362      
6 H 0.203      
7 H 0.203      


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 -2.328 2.328
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.278 -5.941 0.000
y -5.941 -42.395 0.000
z 0.000 0.000 -40.926
Traceless
 xyz
x 5.382 -5.941 0.000
y -5.941 -3.793 0.000
z 0.000 0.000 -1.589
Polar
3z2-r2-3.179
x2-y26.117
xy-5.941
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.688 -0.401 0.000
y -0.401 5.499 0.000
z 0.000 0.000 4.514


<r2> (average value of r2) Å2
<r2> 124.170
(<r2>)1/2 11.143