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

using model chemistry: wB97X-D/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 wB97X-D/cc-pVDZ
 hartrees
Energy at 0K-2701.335195
Energy at 298.15K-2701.337548
HF Energy-2701.335195
Nuclear repulsion energy452.742543
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 wB97X-D/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 3838 3657 46.54      
2 A 1098 1046 79.37      
3 A 975 929 65.86      
4 A 698 665 82.36      
5 A 358 341 82.51      
6 A 328 312 6.84      
7 A 262 250 0.47      
8 A 164 157 97.67      
9 B 3835 3653 245.72      
10 B 1137 1083 143.13      
11 B 1043 993 101.51      
12 B 704 671 164.72      
13 B 364 347 73.94      
14 B 331 315 42.63      
15 B 273 260 51.42      

Unscaled Zero Point Vibrational Energy (zpe) 7703.7 cm-1
Scaled (by 0.9526) Zero Point Vibrational Energy (zpe) 7338.5 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 wB97X-D/cc-pVDZ
ABC
0.14018 0.13361 0.12958

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/cc-pVDZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Se1 0.000 0.000 0.127
O2 0.000 1.427 0.856
O3 0.000 -1.427 0.856
O4 1.341 -0.007 -0.991
O5 -1.341 0.007 -0.991
H6 1.676 -0.912 -1.078
H7 -1.676 0.912 -1.078

Atom - Atom Distances (Å)
  Se1 O2 O3 O4 O5 H6 H7
Se11.60251.60251.74601.74602.25632.2563
O21.60252.85382.69582.68863.46672.6106
O31.60252.85382.68862.69582.61063.4667
O41.74602.69582.68862.68200.96863.1546
O51.74602.68862.69582.68203.15460.9686
H62.25633.46672.61060.96863.15463.8153
H72.25632.61063.46673.15460.96863.8153

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 109.055 Se1 O5 H7 109.055
O2 Se1 O3 125.848 O2 Se1 O4 107.155
O2 Se1 O5 106.740 O3 Se1 O4 106.740
O3 Se1 O5 107.155 O4 Se1 O5 100.357
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Se 1.444      
2 O -0.555      
3 O -0.555      
4 O -0.560      
5 O -0.560      
6 H 0.393      
7 H 0.393      


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 -2.744 2.744
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.392 -6.348 0.000
y -6.348 -43.972 0.000
z 0.000 0.000 -41.810
Traceless
 xyz
x 5.499 -6.348 0.000
y -6.348 -4.371 0.000
z 0.000 0.000 -1.128
Polar
3z2-r2-2.257
x2-y26.580
xy-6.348
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.696 -0.223 0.000
y -0.223 6.514 0.000
z 0.000 0.000 5.694


<r2> (average value of r2) Å2
<r2> 124.430
(<r2>)1/2 11.155