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

using model chemistry: LSDA/STO-3G

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/STO-3G
 hartrees
Energy at 0K-2668.084649
Energy at 298.15K-2668.085637
HF Energy-2668.084649
Nuclear repulsion energy418.827897
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/STO-3G
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 3564 3192 6.74      
2 A 1167 1045 21.18      
3 A 785 703 17.30      
4 A 557 498 18.63      
5 A 367 329 51.01      
6 A 169 152 4.36      
7 A 133 119 7.43      
8 A 103 93 0.53      
9 B 3565 3193 35.37      
10 B 1193 1068 44.66      
11 B 875 784 13.87      
12 B 583 522 56.57      
13 B 367 329 40.56      
14 B 215 193 4.16      
15 B 177 159 20.50      

Unscaled Zero Point Vibrational Energy (zpe) 6910.8 cm-1
Scaled (by 0.8955) Zero Point Vibrational Energy (zpe) 6188.6 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/STO-3G
ABC
0.13122 0.11273 0.10346

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/STO-3G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Se1 0.000 0.000 0.184
O2 0.000 1.610 0.763
O3 0.000 -1.610 0.763
O4 1.495 -0.120 -1.041
O5 -1.495 0.120 -1.041
H6 1.645 -1.143 -0.901
H7 -1.645 1.143 -0.901

Atom - Atom Distances (Å)
  Se1 O2 O3 O4 O5 H6 H7
Se11.71051.71051.93691.93692.27802.2780
O21.71053.21932.91232.77653.61242.3859
O31.71053.21932.77652.91232.38593.6124
O41.93692.91232.77653.00001.04313.3874
O51.93692.77652.91233.00003.38741.0431
H62.27803.61242.38591.04313.38744.0058
H72.27802.38593.61243.38741.04314.0058

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 94.967 Se1 O5 H7 94.967
O2 Se1 O3 140.461 O2 Se1 O4 105.799
O2 Se1 O5 98.959 O3 Se1 O4 98.959
O3 Se1 O5 105.799 O4 Se1 O5 101.505
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Se 0.782      
2 O -0.291      
3 O -0.291      
4 O -0.262      
5 O -0.262      
6 H 0.162      
7 H 0.162      


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 -0.191 0.191
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.841 -3.854 0.000
y -3.854 -38.070 0.000
z 0.000 0.000 -38.002
Traceless
 xyz
x 2.195 -3.854 0.000
y -3.854 -1.149 0.000
z 0.000 0.000 -1.047
Polar
3z2-r2-2.093
x2-y22.229
xy-3.854
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.875 -0.931 0.000
y -0.931 5.024 0.000
z 0.000 0.000 2.912


<r2> (average value of r2) Å2
<r2> 138.209
(<r2>)1/2 11.756