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

using model chemistry: CCSD/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-685.419018
Energy at 298.15K 
HF Energy-684.475547
Nuclear repulsion energy195.851764
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/cc-pVTZ
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' 3755 3534 93.29      
2 A' 1250 1176 56.10      
3 A' 1071 1008 62.76      
4 A' 682 642 208.26      
5 A' 552 520 25.35      
6 A' 445 418 10.95      
7 A" 1223 1151 248.32      
8 A" 434 408 36.56      
9 A" 112i 105i 62.00      

Unscaled Zero Point Vibrational Energy (zpe) 4649.6 cm-1
Scaled (by 0.9412) Zero Point Vibrational Energy (zpe) 4376.2 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 CCSD/cc-pVTZ
ABC
0.31225 0.28331 0.17158

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Cl1 0.358 0.116 0.000
O2 -0.205 -1.460 0.000
H3 -1.170 -1.353 0.000
O4 -0.205 0.691 1.204
O5 -0.205 0.691 -1.204

Atom - Atom Distances (Å)
  Cl1 O2 H3 O4 O5
Cl11.67372.12031.44821.4482
O21.67370.97052.46452.4645
H32.12030.97052.56102.5610
O41.44822.46452.56102.4079
O51.44822.46452.56102.4079

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 34.755 O2 Cl1 O3 26.442
O2 Cl1 O4 104.034 O3 Cl1 O4 89.683
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at CCSD/cc-pVTZ
 hartrees
Energy at 0K-685.419133
Energy at 298.15K 
HF Energy-684.475227
Nuclear repulsion energy195.890331
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/cc-pVTZ
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 3540 101.59      
2 A 1261 1187 103.21      
3 A 1218 1146 197.60      
4 A 1066 1003 63.90      
5 A 689 648 203.14      
6 A 556 524 28.78      
7 A 449 422 12.40      
8 A 401 377 17.69      
9 A 142 134 79.26      

Unscaled Zero Point Vibrational Energy (zpe) 4771.1 cm-1
Scaled (by 0.9412) Zero Point Vibrational Energy (zpe) 4490.6 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 CCSD/cc-pVTZ
ABC
0.31341 0.28367 0.17132

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Cl1 -0.159 0.020 -0.343
O2 1.396 -0.457 0.063
H3 1.563 0.041 0.878
O4 -0.235 1.347 0.245
O5 -1.019 -0.936 0.311

Atom - Atom Distances (Å)
  Cl1 O2 H3 O4 O5
Cl11.67632.11131.45351.4427
O21.67630.97002.43892.4746
H32.11130.97002.31102.8185
O41.45352.43892.31102.4144
O51.44272.47462.81852.4144

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 34.318 O2 Cl1 O3 26.643
O2 Cl1 O4 102.154 O3 Cl1 O4 78.445
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability