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

using model chemistry: B1B95/STO-3G

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/STO-3G
 hartrees
Energy at 0K-2672.788088
Energy at 298.15K-2672.789016
HF Energy-2672.788088
Nuclear repulsion energy420.420802
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/STO-3G
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 3711 3277 6.40      
2 A 1240 1095 18.24      
3 A 729 644 24.96      
4 A 592 523 11.63      
5 A 280 247 50.46      
6 A 203 179 6.02      
7 A 143 127 0.06      
8 A 143 126 15.50      
9 B 3712 3278 36.85      
10 B 1262 1114 31.50      
11 B 803 709 12.30      
12 B 606 535 46.81      
13 B 273 241 57.02      
14 B 216 191 6.09      
15 B 185 163 13.50      

Unscaled Zero Point Vibrational Energy (zpe) 7049.0 cm-1
Scaled (by 0.883) Zero Point Vibrational Energy (zpe) 6224.2 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/STO-3G
ABC
0.12679 0.11203 0.11019

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/STO-3G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Se1 0.000 0.000 0.184
O2 0.000 1.587 0.833
O3 0.000 -1.587 0.833
O4 1.422 -0.053 -1.094
O5 -1.422 0.053 -1.094
H6 1.630 -1.060 -1.038
H7 -1.630 1.060 -1.038

Atom - Atom Distances (Å)
  Se1 O2 O3 O4 O5 H6 H7
Se11.71521.71521.91201.91202.29612.2961
O21.71523.17472.90292.84413.62852.5370
O31.71523.17472.84412.90292.53703.6285
O41.91202.90292.84412.84571.02953.2491
O51.91202.84412.90292.84573.24911.0295
H62.29613.62852.53701.02953.24913.8888
H72.29612.53703.62853.24911.02953.8888

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 98.123 Se1 O5 H7 98.123
O2 Se1 O3 135.468 O2 Se1 O4 106.194
O2 Se1 O5 103.140 O3 Se1 O4 103.140
O3 Se1 O5 106.194 O4 Se1 O5 96.175
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Se 0.897      
2 O -0.329      
3 O -0.329      
4 O -0.285      
5 O -0.285      
6 H 0.166      
7 H 0.166      


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 -0.594 0.594
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.436 -3.982 0.000
y -3.982 -39.090 0.000
z 0.000 0.000 -38.488
Traceless
 xyz
x 3.354 -3.982 0.000
y -3.982 -2.128 0.000
z 0.000 0.000 -1.225
Polar
3z2-r2-2.450
x2-y23.655
xy-3.982
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.689 -0.869 0.000
y -0.869 4.873 0.000
z 0.000 0.000 3.185


<r2> (average value of r2) Å2
<r2> 137.347
(<r2>)1/2 11.720