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

using model chemistry: B1B95/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 B1B95/TZVP
 hartrees
Energy at 0K-2703.887436
Energy at 298.15K-2703.889830
HF Energy-2703.887436
Nuclear repulsion energy454.907972
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/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 3801 3637 48.93      
2 A 1081 1034 70.51      
3 A 970 928 67.39      
4 A 690 660 82.10      
5 A 361 346 96.02      
6 A 329 315 4.97      
7 A 264 253 0.01      
8 A 189 181 84.25      
9 B 3797 3633 224.91      
10 B 1125 1077 128.06      
11 B 1041 996 96.01      
12 B 699 669 165.49      
13 B 359 344 78.27      
14 B 334 319 46.36      
15 B 278 266 42.57      

Unscaled Zero Point Vibrational Energy (zpe) 7658.7 cm-1
Scaled (by 0.9569) Zero Point Vibrational Energy (zpe) 7328.6 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/TZVP
ABC
0.14126 0.13530 0.13064

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/TZVP

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Se1 0.000 0.000 0.135
O2 0.000 1.422 0.840
O3 0.000 -1.422 0.840
O4 1.342 0.023 -0.981
O5 -1.342 -0.023 -0.981
H6 1.586 -0.895 -1.163
H7 -1.586 0.895 -1.163

Atom - Atom Distances (Å)
  Se1 O2 O3 O4 O5 H6 H7
Se11.58751.58751.74571.74572.23672.2367
O21.58752.84492.66012.68453.44962.6090
O31.58752.84492.68452.66012.60903.4496
O41.74572.66012.68452.68430.96733.0607
O51.74572.68452.66012.68433.06070.9673
H62.23673.44962.60900.96733.06073.6427
H72.23672.60903.44963.06070.96733.6427

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 107.577 Se1 O5 H7 107.577
O2 Se1 O3 127.281 O2 Se1 O4 105.794
O2 Se1 O5 107.198 O3 Se1 O4 107.198
O3 Se1 O5 105.794 O4 Se1 O5 100.495
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Se 1.038      
2 O -0.454      
3 O -0.454      
4 O -0.386      
5 O -0.386      
6 H 0.321      
7 H 0.321      


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 -2.718 2.718
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.477 -6.181 0.000
y -6.181 -43.748 0.000
z 0.000 0.000 -41.095
Traceless
 xyz
x 4.945 -6.181 0.000
y -6.181 -4.462 0.000
z 0.000 0.000 -0.483
Polar
3z2-r2-0.966
x2-y26.272
xy-6.181
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.226 -0.284 0.000
y -0.284 6.172 0.000
z 0.000 0.000 5.201


<r2> (average value of r2) Å2
<r2> 123.316
(<r2>)1/2 11.105