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

using model chemistry: B1B95/6-31G(2df,p)

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(2df,p)
 hartrees
Energy at 0K-2701.797823
Energy at 298.15K-2701.800340
HF Energy-2701.797823
Nuclear repulsion energy460.028770
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(2df,p)
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 3831 3669 35.97      
2 A 1083 1037 96.01      
3 A 1033 989 40.59      
4 A 758 726 69.42      
5 A 365 350 75.37      
6 A 339 325 1.55      
7 A 270 259 2.92      
8 A 181 173 77.42      
9 B 3827 3665 233.25      
10 B 1161 1112 139.36      
11 B 1084 1038 76.52      
12 B 765 733 145.39      
13 B 367 352 73.19      
14 B 351 336 44.12      
15 B 294 282 28.30      

Unscaled Zero Point Vibrational Energy (zpe) 7853.7 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 7521.5 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 B1B95/6-31G(2df,p)
ABC
0.14548 0.13805 0.13340

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G(2df,p)

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Se1 0.000 0.000 0.130
O2 0.000 1.412 0.830
O3 0.000 -1.412 0.830
O4 1.321 0.017 -0.969
O5 -1.321 -0.017 -0.969
H6 1.592 -0.900 -1.101
H7 -1.592 0.900 -1.101

Atom - Atom Distances (Å)
  Se1 O2 O3 O4 O5 H6 H7
Se11.57641.57641.71851.71852.20442.2044
O21.57642.82452.63232.65103.40732.5549
O31.57642.82452.65102.63232.55493.4073
O41.71852.63232.65102.64200.96553.0468
O51.71852.65102.63232.64203.04680.9655
H62.20443.40732.55490.96553.04683.6580
H72.20442.55493.40733.04680.96553.6580

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 107.068 Se1 O5 H7 107.068
O2 Se1 O3 127.237 O2 Se1 O4 105.968
O2 Se1 O5 107.057 O3 Se1 O4 107.057
O3 Se1 O5 105.968 O4 Se1 O5 100.471
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Se 1.356      
2 O -0.491      
3 O -0.491      
4 O -0.538      
5 O -0.538      
6 H 0.351      
7 H 0.351      


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 -2.664 2.664
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.705 -5.631 0.000
y -5.631 -42.122 0.000
z 0.000 0.000 -40.105
Traceless
 xyz
x 5.409 -5.631 0.000
y -5.631 -4.217 0.000
z 0.000 0.000 -1.192
Polar
3z2-r2-2.383
x2-y26.418
xy-5.631
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.130 -0.331 0.000
y -0.331 5.651 0.000
z 0.000 0.000 4.979


<r2> (average value of r2) Å2
<r2> 120.138
(<r2>)1/2 10.961