return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for HClO3 (Chloric Acid)

using model chemistry: B2PLYP/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 no CS 1A'
1 2 yes C1 1A

Conformer 1 (CS)

Jump to S1C2
Energy calculated at B2PLYP/6-31G(2df,p)
 hartrees
Energy at 0K-685.942629
Energy at 298.15K 
HF Energy-685.641991
Nuclear repulsion energy193.488912
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 B2PLYP/6-31G(2df,p)
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' 3700 3534 77.61      
2 A' 1185 1132 59.23      
3 A' 1053 1005 39.88      
4 A' 608 581 185.90      
5 A' 519 495 31.68      
6 A' 401 383 2.30      
7 A" 1212 1158 193.61      
8 A" 388 371 26.90      
9 A" 126i 121i 63.75      

Unscaled Zero Point Vibrational Energy (zpe) 4470.2 cm-1
Scaled (by 0.955) Zero Point Vibrational Energy (zpe) 4269.0 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 B2PLYP/6-31G(2df,p)
ABC
0.30876 0.27198 0.16604

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Cl1 0.356 0.127 0.000
O2 -0.204 -1.499 0.000
H3 -1.173 -1.397 0.000
O4 -0.204 0.701 1.213
O5 -0.204 0.701 -1.213

Atom - Atom Distances (Å)
  Cl1 O2 H3 O4 O5
Cl11.72022.15951.45421.4542
O21.72020.97442.51262.5126
H32.15950.97442.61062.6106
O41.45422.51262.61062.4260
O51.45422.51262.61062.4260

picture of Chloric Acid state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl1 O2 H5 34.105 O2 Cl1 O3 26.082
O2 Cl1 O4 104.345 O3 Cl1 O4 90.338
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Cl 0.862      
2 O -0.491      
3 H 0.339      
4 O -0.355      
5 O -0.355      


Electric dipole moments


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.106 0.284 0.000
y 0.284 4.632 0.000
z 0.000 0.000 4.366


<r2> (average value of r2) Å2
<r2> 74.157
(<r2>)1/2 8.611

Conformer 2 (C1)

Jump to S1C1
Energy calculated at B2PLYP/6-31G(2df,p)
 hartrees
Energy at 0K-685.942840
Energy at 298.15K 
HF Energy-685.641993
Nuclear repulsion energy193.568923
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 B2PLYP/6-31G(2df,p)
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 3709 3542 86.26      
2 A 1233 1177 153.11      
3 A 1171 1118 99.13      
4 A 1048 1001 40.77      
5 A 619 591 178.05      
6 A 524 500 35.74      
7 A 406 388 3.94      
8 A 356 340 8.78      
9 A 153 146 81.72      

Unscaled Zero Point Vibrational Energy (zpe) 4609.2 cm-1
Scaled (by 0.955) Zero Point Vibrational Energy (zpe) 4401.8 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 B2PLYP/6-31G(2df,p)
ABC
0.30890 0.27365 0.16585

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Cl1 -0.171 0.017 -0.340
O2 1.445 -0.427 0.062
H3 1.623 0.142 0.832
O4 -0.283 1.349 0.244
O5 -1.000 -0.977 0.313

Atom - Atom Distances (Å)
  Cl1 O2 H3 O4 O5
Cl11.72342.14661.45891.4489
O21.72340.97362.48462.5179
H32.14660.97362.33162.8979
O41.45892.48462.33162.4345
O51.44892.51792.89792.4345

picture of Chloric Acid state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl1 O2 H5 33.816 O2 Cl1 O3 26.352
O2 Cl1 O4 102.343 O3 Cl1 O4 78.022
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Cl 0.730      
2 O -0.473      
3 H 0.326      
4 O -0.316      
5 O -0.267      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.032 0.446 -0.345 1.176
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.309 0.795 3.115
y 0.795 -31.719 0.384
z 3.115 0.384 -26.129
Traceless
 xyz
x 0.615 0.795 3.115
y 0.795 -4.500 0.384
z 3.115 0.384 3.885
Polar
3z2-r27.770
x2-y23.410
xy0.795
xz3.115
yz0.384


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.743 0.095 0.117
y 0.095 4.394 0.076
z 0.117 0.076 2.944


<r2> (average value of r2) Å2
<r2> 74.024
(<r2>)1/2 8.604