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: CCSD/6-311+G(3df,2p)

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/6-311+G(3df,2p)
 hartrees
Energy at 0K-685.429331
Energy at 298.15K 
HF Energy-684.484575
Nuclear repulsion energy197.909829
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/6-311+G(3df,2p)
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' 3758 3544 99.41      
2 A' 1243 1172 72.43      
3 A' 1094 1032 56.38      
4 A' 683 645 218.31      
5 A' 566 534 23.43      
6 A' 456 430 9.23      
7 A" 1251 1180 273.43      
8 A" 439 414 31.13      
9 A" 118i 112i 68.38      

Unscaled Zero Point Vibrational Energy (zpe) 4686.2 cm-1
Scaled (by 0.9431) Zero Point Vibrational Energy (zpe) 4419.6 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/6-311+G(3df,2p)
ABC
0.31917 0.28923 0.17505

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Cl1 0.353 0.116 0.000
O2 -0.201 -1.444 0.000
H3 -1.169 -1.368 0.000
O4 -0.201 0.684 1.192
O5 -0.201 0.684 -1.192

Atom - Atom Distances (Å)
  Cl1 O2 H3 O4 O5
Cl11.65492.12541.43171.4317
O21.65490.97022.43872.4387
H32.12540.97022.56292.5629
O41.43172.43872.56292.3831
O51.43172.43872.56292.3831

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 34.697 O2 Cl1 O3 26.149
O2 Cl1 O4 104.154 O3 Cl1 O4 90.014
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at CCSD/6-311+G(3df,2p)
 hartrees
Energy at 0K-685.429617
Energy at 298.15K 
HF Energy-684.483733
Nuclear repulsion energy197.846834
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/6-311+G(3df,2p)
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 3788 3573 118.75      
2 A 1287 1214 209.28      
3 A 1220 1150 127.27      
4 A 1091 1029 63.21      
5 A 694 654 200.11      
6 A 576 543 29.39      
7 A 455 429 5.08      
8 A 399 376 7.22      
9 A 95 89 99.68      

Unscaled Zero Point Vibrational Energy (zpe) 4801.5 cm-1
Scaled (by 0.9431) Zero Point Vibrational Energy (zpe) 4528.3 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/6-311+G(3df,2p)
ABC
0.31893 0.29167 0.17403

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/6-311+G(3df,2p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Cl1 -0.164 0.032 -0.335
O2 1.328 -0.580 0.080
H3 1.713 0.102 0.650
O4 -0.115 1.348 0.241
O5 -1.078 -0.848 0.311

Atom - Atom Distances (Å)
  Cl1 O2 H3 O4 O5
Cl11.66512.12071.43741.4236
O21.66510.96822.41312.4320
H32.12070.96822.24912.9676
O41.43742.41312.24912.3985
O51.42362.43202.96762.3985

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 34.676 O2 Cl1 O3 26.279
O2 Cl1 O4 101.864 O3 Cl1 O4 75.710
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability