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

using model chemistry: M06-2X/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at M06-2X/6-31+G**
 hartrees
Energy at 0K-2701.333712
Energy at 298.15K-2701.336372
HF Energy-2701.333712
Nuclear repulsion energy454.360538
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 M06-2X/6-31+G**
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 3805 3623 48.58      
2 A 1103 1050 90.28      
3 A 1005 957 64.22      
4 A 740 704 81.47      
5 A 383 364 129.85      
6 A 354 337 0.38      
7 A 270 257 1.64      
8 A 229 218 65.71      
9 B 3801 3619 292.91      
10 B 1146 1091 161.69      
11 B 1072 1021 90.97      
12 B 746 710 163.93      
13 B 383 365 139.56      
14 B 358 341 21.52      
15 B 325 310 18.68      

Unscaled Zero Point Vibrational Energy (zpe) 7860.2 cm-1
Scaled (by 0.9522) Zero Point Vibrational Energy (zpe) 7484.5 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 M06-2X/6-31+G**
ABC
0.14202 0.13416 0.13042

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-31+G**

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Se1 0.000 0.000 0.130
O2 0.000 1.427 0.846
O3 0.000 -1.427 0.846
O4 1.337 0.006 -0.983
O5 -1.337 -0.006 -0.983
H6 1.622 -0.913 -1.121
H7 -1.622 0.913 -1.121

Atom - Atom Distances (Å)
  Se1 O2 O3 O4 O5 H6 H7
Se11.59601.59601.73941.73942.24242.2424
O21.59602.85372.67322.68013.45962.6000
O31.59602.85372.68012.67322.60003.4596
O41.73942.67322.68012.67320.97223.0971
O51.73942.68012.67322.67323.09710.9722
H62.24243.45962.60000.97223.09713.7218
H72.24242.60003.45963.09710.97223.7218

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 108.225 Se1 O5 H7 108.225
O2 Se1 O3 126.765 O2 Se1 O4 106.463
O2 Se1 O5 106.858 O3 Se1 O4 106.858
O3 Se1 O5 106.463 O4 Se1 O5 100.429
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Se 1.504      
2 O -0.572      
3 O -0.572      
4 O -0.582      
5 O -0.582      
6 H 0.402      
7 H 0.402      


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 -2.777 2.777
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.278 -6.449 0.000
y -6.449 -44.360 0.000
z 0.000 0.000 -42.172
Traceless
 xyz
x 5.989 -6.449 0.000
y -6.449 -4.635 0.000
z 0.000 0.000 -1.353
Polar
3z2-r2-2.707
x2-y27.083
xy-6.449
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.488 -0.244 0.000
y -0.244 6.341 0.000
z 0.000 0.000 5.470


<r2> (average value of r2) Å2
<r2> 123.838
(<r2>)1/2 11.128