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

using model chemistry: LSDA/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at LSDA/cc-pVTZ
 hartrees
Energy at 0K-2699.609093
Energy at 298.15K-2699.611338
HF Energy-2699.609093
Nuclear repulsion energy454.507363
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 LSDA/cc-pVTZ
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 3648 3608 26.66      
2 A 1042 1030 94.49      
3 A 974 964 42.01      
4 A 689 681 71.08      
5 A 346 342 54.23      
6 A 318 314 11.35      
7 A 250 248 6.15      
8 A 150 149 72.36      
9 B 3644 3604 245.87      
10 B 1104 1092 129.06      
11 B 1025 1014 79.52      
12 B 703 695 150.82      
13 B 348 344 52.35      
14 B 319 316 45.62      
15 B 271 268 41.41      

Unscaled Zero Point Vibrational Energy (zpe) 7415.0 cm-1
Scaled (by 0.9891) Zero Point Vibrational Energy (zpe) 7334.2 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 LSDA/cc-pVTZ
ABC
0.14217 0.13419 0.13037

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Se1 0.000 0.000 0.127
O2 0.000 1.420 0.846
O3 0.000 -1.420 0.846
O4 1.342 -0.001 -0.988
O5 -1.342 0.001 -0.988
H6 1.644 -0.933 -1.032
H7 -1.644 0.933 -1.032

Atom - Atom Distances (Å)
  Se1 O2 O3 O4 O5 H6 H7
Se11.59131.59131.74471.74472.21772.2177
O21.59132.83992.67982.67873.43032.5428
O31.59132.83992.67872.67982.54283.4303
O41.74472.67982.67872.68380.98103.1288
O51.74472.67872.67982.68383.12880.9810
H62.21773.43032.54280.98103.12883.7806
H72.21772.54283.43033.12880.98103.7806

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 105.446 Se1 O5 H7 105.446
O2 Se1 O3 126.329 O2 Se1 O4 106.801
O2 Se1 O5 106.738 O3 Se1 O4 106.738
O3 Se1 O5 106.801 O4 Se1 O5 100.547
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Se 0.977      
2 O -0.417      
3 O -0.417      
4 O -0.299      
5 O -0.299      
6 H 0.227      
7 H 0.227      


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 -2.376 2.376
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.143 -6.018 0.000
y -6.018 -42.603 0.000
z 0.000 0.000 -41.694
Traceless
 xyz
x 6.005 -6.018 0.000
y -6.018 -3.684 0.000
z 0.000 0.000 -2.321
Polar
3z2-r2-4.642
x2-y26.460
xy-6.018
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.676 -0.379 0.000
y -0.379 6.376 0.000
z 0.000 0.000 5.532


<r2> (average value of r2) Å2
<r2> 123.028
(<r2>)1/2 11.092