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

using model chemistry: CCSD/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 CCSD/6-31G(2df,p)
 hartrees
Energy at 0K-685.266297
Energy at 298.15K 
HF Energy-684.372437
Nuclear repulsion energy196.575855
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 CCSD/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' 3761 3556 92.77      
2 A' 1256 1187 62.43      
3 A' 1087 1027 54.05      
4 A' 686 648 196.16      
5 A' 554 524 21.95      
6 A' 444 420 10.32      
7 A" 1250 1182 223.77      
8 A" 431 407 32.76      
9 A" 145i 137i 67.37      

Unscaled Zero Point Vibrational Energy (zpe) 4661.5 cm-1
Scaled (by 0.9455) Zero Point Vibrational Energy (zpe) 4407.4 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 CCSD/6-31G(2df,p)
ABC
0.31449 0.28550 0.17279

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Cl1 0.357 0.118 0.000
O2 -0.204 -1.455 0.000
H3 -1.170 -1.355 0.000
O4 -0.204 0.687 1.200
O5 -0.204 0.687 -1.200

Atom - Atom Distances (Å)
  Cl1 O2 H3 O4 O5
Cl11.66902.12131.44161.4416
O21.66900.97122.45492.4549
H32.12130.97122.55832.5583
O41.44162.45492.55832.3998
O51.44162.45492.55832.3998

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 34.740 O2 Cl1 O3 26.404
O2 Cl1 O4 103.982 O3 Cl1 O4 89.689
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at CCSD/6-31G(2df,p)
 hartrees
Energy at 0K-685.266536
Energy at 298.15K 
HF Energy-684.372073
Nuclear repulsion energy196.589799
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 CCSD/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 3770 3565 103.32      
2 A 1281 1211 139.52      
3 A 1232 1164 144.14      
4 A 1079 1021 55.06      
5 A 695 657 189.22      
6 A 561 531 26.42      
7 A 449 425 11.88      
8 A 394 372 11.32      
9 A 170 161 85.68      

Unscaled Zero Point Vibrational Energy (zpe) 4815.2 cm-1
Scaled (by 0.9455) Zero Point Vibrational Energy (zpe) 4552.8 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 CCSD/6-31G(2df,p)
ABC
0.31566 0.28605 0.17237

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Cl1 -0.161 0.024 -0.341
O2 1.373 -0.505 0.065
H3 1.592 0.044 0.835
O4 -0.184 1.349 0.242
O5 -1.046 -0.900 0.312

Atom - Atom Distances (Å)
  Cl1 O2 H3 O4 O5
Cl11.67252.11061.44741.4361
O21.67250.97042.42732.4636
H32.11060.97042.28252.8495
O41.44742.42732.28252.4088
O51.43612.46362.84952.4088

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 34.342 O2 Cl1 O3 26.647
O2 Cl1 O4 101.916 O3 Cl1 O4 77.331
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability