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

using model chemistry: B3LYP/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at B3LYP/aug-cc-pVDZ
 hartrees
Energy at 0K-2703.586504
Energy at 298.15K-2703.588689
HF Energy-2703.586504
Nuclear repulsion energy445.500754
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 B3LYP/aug-cc-pVDZ
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 3730 3620 38.45      
2 A 1100 1067 66.25      
3 A 911 884 57.49      
4 A 650 630 68.27      
5 A 337 327 64.97      
6 A 313 304 8.28      
7 A 241 234 1.93      
8 A 168 163 67.94      
9 B 3726 3616 214.83      
10 B 1135 1102 111.73      
11 B 979 950 92.31      
12 B 659 640 142.26      
13 B 338 328 58.12      
14 B 316 307 38.29      
15 B 272 264 31.83      

Unscaled Zero Point Vibrational Energy (zpe) 7437.2 cm-1
Scaled (by 0.9704) Zero Point Vibrational Energy (zpe) 7217.0 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 B3LYP/aug-cc-pVDZ
ABC
0.13497 0.12964 0.12555

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/aug-cc-pVDZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Se1 0.000 0.000 0.135
O2 0.000 1.448 0.863
O3 0.000 -1.448 0.863
O4 1.370 0.022 -1.009
O5 -1.370 -0.022 -1.009
H6 1.646 -0.903 -1.134
H7 -1.646 0.903 -1.134

Atom - Atom Distances (Å)
  Se1 O2 O3 O4 O5 H6 H7
Se11.62031.62031.78561.78562.26642.2664
O21.62032.89582.72272.74653.49642.6444
O31.62032.89582.74652.72272.64443.4964
O41.78562.72272.74652.74140.97403.1446
O51.78562.74652.72272.74143.14460.9740
H62.26643.49642.64440.97403.14463.7544
H72.26642.64443.49643.14460.97403.7544

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 106.698 Se1 O5 H7 106.698
O2 Se1 O3 126.659 O2 Se1 O4 106.047
O2 Se1 O5 107.392 O3 Se1 O4 107.392
O3 Se1 O5 106.047 O4 Se1 O5 100.283
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Se 2.346      
2 O -0.773      
3 O -0.773      
4 O -0.533      
5 O -0.533      
6 H 0.133      
7 H 0.133      


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 -2.502 2.502
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.567 -5.802 0.000
y -5.802 -44.029 0.000
z 0.000 0.000 -42.114
Traceless
 xyz
x 5.504 -5.802 0.000
y -5.802 -4.188 0.000
z 0.000 0.000 -1.316
Polar
3z2-r2-2.632
x2-y26.462
xy-5.802
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.672 -0.272 0.000
y -0.272 7.278 0.000
z 0.000 0.000 6.580


<r2> (average value of r2) Å2
<r2> 127.800
(<r2>)1/2 11.305