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

using model chemistry: B1B95/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at B1B95/6-31G*
 hartrees
Energy at 0K-2701.553317
Energy at 298.15K-2701.555682
HF Energy-2701.553317
Nuclear repulsion energy453.574313
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 B1B95/6-31G*
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 3753 3563 24.18      
2 A 1147 1089 96.10      
3 A 994 944 58.72      
4 A 714 678 66.79      
5 A 359 341 83.69      
6 A 325 308 7.40      
7 A 258 245 5.01      
8 A 168 159 78.14      
9 B 3750 3560 223.66      
10 B 1189 1129 133.49      
11 B 1065 1011 84.63      
12 B 732 695 149.97      
13 B 360 342 93.32      
14 B 328 311 34.12      
15 B 291 276 40.61      

Unscaled Zero Point Vibrational Energy (zpe) 7717.2 cm-1
Scaled (by 0.9493) Zero Point Vibrational Energy (zpe) 7325.9 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 B1B95/6-31G*
ABC
0.14218 0.13284 0.13012

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Se1 0.000 0.000 0.128
O2 0.000 1.427 0.849
O3 0.000 -1.427 0.849
O4 1.338 -0.011 -0.993
O5 -1.338 0.011 -0.993
H6 1.628 -0.939 -1.035
H7 -1.628 0.939 -1.035

Atom - Atom Distances (Å)
  Se1 O2 O3 O4 O5 H6 H7
Se11.59851.59851.74581.74582.21002.2100
O21.59852.85412.69272.68053.43442.5367
O31.59852.85412.68052.69272.53673.4344
O41.74582.69272.68052.67660.97263.1148
O51.74582.68052.69272.67663.11480.9726
H62.21003.43442.53670.97263.11483.7582
H72.21002.53673.43443.11480.97263.7582

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 105.200 Se1 O5 H7 105.200
O2 Se1 O3 126.434 O2 Se1 O4 107.171
O2 Se1 O5 106.468 O3 Se1 O4 106.468
O3 Se1 O5 107.171 O4 Se1 O5 100.098
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Se 1.396      
2 O -0.526      
3 O -0.526      
4 O -0.624      
5 O -0.624      
6 H 0.453      
7 H 0.453      


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 -2.276 2.276
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.938 -6.244 0.000
y -6.244 -42.072 0.000
z 0.000 0.000 -41.375
Traceless
 xyz
x 5.785 -6.244 0.000
y -6.244 -3.415 0.000
z 0.000 0.000 -2.370
Polar
3z2-r2-4.740
x2-y26.134
xy-6.244
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.765 -0.413 0.000
y -0.413 5.541 0.000
z 0.000 0.000 4.605


<r2> (average value of r2) Å2
<r2> 123.150
(<r2>)1/2 11.097