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

using model chemistry: LSDA/TZVP

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/TZVP
 hartrees
Energy at 0K-2699.536451
Energy at 298.15K-2699.538660
HF Energy-2699.536451
Nuclear repulsion energy452.120034
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/TZVP
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 3642 3600 45.89      
2 A 1025 1013 77.49      
3 A 949 938 57.77      
4 A 656 648 79.99      
5 A 342 338 82.11      
6 A 317 314 3.68      
7 A 246 243 0.00      
8 A 171 169 84.70      
9 B 3639 3596 222.31      
10 B 1082 1070 128.82      
11 B 1009 997 90.00      
12 B 669 661 162.30      
13 B 341 337 63.19      
14 B 318 314 53.57      
15 B 272 269 34.11      

Unscaled Zero Point Vibrational Energy (zpe) 7339.2 cm-1
Scaled (by 0.9884) Zero Point Vibrational Energy (zpe) 7254.0 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 LSDA/TZVP
ABC
0.13992 0.13400 0.12846

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/TZVP

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Se1 0.000 0.000 0.137
O2 0.000 1.434 0.838
O3 0.000 -1.434 0.838
O4 1.354 0.024 -0.985
O5 -1.354 -0.024 -0.985
H6 1.595 -0.915 -1.144
H7 -1.595 0.915 -1.144

Atom - Atom Distances (Å)
  Se1 O2 O3 O4 O5 H6 H7
Se11.59581.59581.75861.75862.24132.2413
O21.59582.86752.67282.69813.46242.5967
O31.59582.86752.69812.67282.59673.4624
O41.75862.67282.69812.70820.98193.0850
O51.75862.69812.67282.70823.08500.9819
H62.24133.46242.59670.98193.08503.6780
H72.24132.59673.46243.08500.98193.6780

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 106.253 Se1 O5 H7 106.253
O2 Se1 O3 127.904 O2 Se1 O4 105.551
O2 Se1 O5 106.995 O3 Se1 O4 106.995
O3 Se1 O5 105.551 O4 Se1 O5 100.705
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Se 0.900      
2 O -0.410      
3 O -0.410      
4 O -0.365      
5 O -0.365      
6 H 0.325      
7 H 0.325      


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 -2.548 2.548
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.844 -6.319 0.000
y -6.319 -43.508 0.000
z 0.000 0.000 -41.502
Traceless
 xyz
x 4.661 -6.319 0.000
y -6.319 -3.835 0.000
z 0.000 0.000 -0.826
Polar
3z2-r2-1.651
x2-y25.664
xy-6.319
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.593 -0.318 0.000
y -0.318 6.561 0.000
z 0.000 0.000 5.523


<r2> (average value of r2) Å2
<r2> 124.580
(<r2>)1/2 11.162