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

using model chemistry: B1B95/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at B1B95/6-311G*
 hartrees
Energy at 0K-2703.793889
Energy at 298.15K-2703.796244
HF Energy-2703.793889
Nuclear repulsion energy452.956192
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 B1B95/6-311G*
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 3786 3629 38.25      
2 A 1101 1056 82.84      
3 A 954 915 63.67      
4 A 678 650 76.20      
5 A 362 347 112.60      
6 A 330 317 1.59      
7 A 255 245 0.05      
8 A 184 176 89.52      
9 B 3783 3626 175.61      
10 B 1144 1096 130.79      
11 B 1029 986 88.51      
12 B 688 660 159.10      
13 B 360 345 97.86      
14 B 334 320 44.46      
15 B 282 271 33.86      

Unscaled Zero Point Vibrational Energy (zpe) 7635.2 cm-1
Scaled (by 0.9586) Zero Point Vibrational Energy (zpe) 7319.1 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 B1B95/6-311G*
ABC
0.14013 0.13393 0.12947

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-311G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Se1 0.000 0.000 0.136
O2 0.000 1.426 0.843
O3 0.000 -1.426 0.843
O4 1.349 0.016 -0.988
O5 -1.349 -0.016 -0.988
H6 1.611 -0.902 -1.145
H7 -1.611 0.902 -1.145

Atom - Atom Distances (Å)
  Se1 O2 O3 O4 O5 H6 H7
Se11.59191.59191.75641.75642.24722.2472
O21.59192.85292.67662.69313.45932.6121
O31.59192.85292.69312.67662.61213.4593
O41.75642.67662.69312.69870.96653.0942
O51.75642.69312.67662.69873.09420.9665
H62.24723.45932.61210.96653.09423.6926
H72.24722.61213.45933.09420.96653.6926

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 107.674 Se1 O5 H7 107.674
O2 Se1 O3 127.286 O2 Se1 O4 106.038
O2 Se1 O5 106.986 O3 Se1 O4 106.986
O3 Se1 O5 106.038 O4 Se1 O5 100.395
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Se 1.244      
2 O -0.469      
3 O -0.469      
4 O -0.593      
5 O -0.593      
6 H 0.441      
7 H 0.441      


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 -2.516 2.516
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.930 -6.552 0.000
y -6.552 -42.927 0.000
z 0.000 0.000 -40.925
Traceless
 xyz
x 4.996 -6.552 0.000
y -6.552 -4.000 0.000
z 0.000 0.000 -0.996
Polar
3z2-r2-1.992
x2-y25.998
xy-6.552
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.925 -0.341 0.000
y -0.341 5.721 0.000
z 0.000 0.000 4.806


<r2> (average value of r2) Å2
<r2> 123.894
(<r2>)1/2 11.131