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

using model chemistry: mPW1PW91/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at mPW1PW91/6-311G**
 hartrees
Energy at 0K-2703.667013
Energy at 298.15K-2703.669371
HF Energy-2703.667013
Nuclear repulsion energy452.002646
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 mPW1PW91/6-311G**
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 3819 3654 36.19      
2 A 1100 1053 75.46      
3 A 950 909 60.18      
4 A 671 642 73.34      
5 A 358 342 93.23      
6 A 327 313 5.27      
7 A 256 245 0.78      
8 A 189 181 80.77      
9 B 3816 3650 230.17      
10 B 1140 1091 108.87      
11 B 1024 980 90.93      
12 B 681 652 153.40      
13 B 359 343 80.77      
14 B 334 319 41.92      
15 B 279 267 38.73      

Unscaled Zero Point Vibrational Energy (zpe) 7650.8 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 7319.5 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 mPW1PW91/6-311G**
ABC
0.13938 0.13320 0.12913

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-311G**

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Se1 0.000 0.000 0.135
O2 0.000 1.427 0.847
O3 0.000 -1.427 0.847
O4 1.352 0.014 -0.995
O5 -1.352 -0.014 -0.995
H6 1.612 -0.909 -1.118
H7 -1.612 0.909 -1.118

Atom - Atom Distances (Å)
  Se1 O2 O3 O4 O5 H6 H7
Se11.59471.59471.76231.76232.23472.2347
O21.59472.85392.68652.70133.45192.5936
O31.59472.85392.70132.68652.59363.4519
O41.76232.68652.70132.70490.96673.0987
O51.76232.70132.68652.70493.09870.9667
H62.23473.45192.59360.96673.09873.7007
H72.23472.59363.45193.09870.96673.7007

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 106.258 Se1 O5 H7 106.258
O2 Se1 O3 126.970 O2 Se1 O4 106.208
O2 Se1 O5 107.055 O3 Se1 O4 107.055
O3 Se1 O5 106.208 O4 Se1 O5 100.252
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Se 1.212      
2 O -0.476      
3 O -0.476      
4 O -0.426      
5 O -0.426      
6 H 0.296      
7 H 0.296      


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 -2.466 2.466
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.832 -6.201 0.000
y -6.201 -42.967 0.000
z 0.000 0.000 -41.161
Traceless
 xyz
x 5.232 -6.201 0.000
y -6.201 -3.970 0.000
z 0.000 0.000 -1.261
Polar
3z2-r2-2.523
x2-y26.135
xy-6.201
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.006 -0.340 0.000
y -0.340 5.789 0.000
z 0.000 0.000 4.891


<r2> (average value of r2) Å2
<r2> 124.306
(<r2>)1/2 11.149