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

using model chemistry: CID/3-21G

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 CID/3-21G
 hartrees
Energy at 0K-681.152628
Energy at 298.15K 
HF Energy-680.778005
Nuclear repulsion energy172.587091
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 CID/3-21G
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' 3493 3254 53.01      
2 A' 1283 1195 51.43      
3 A' 621 578 34.04      
4 A' 513 478 16.06      
5 A' 305 284 29.08      
6 A' 266 248 26.34      
7 A" 685 638 1.96      
8 A" 325 303 84.95      
9 A" 205i 191i 91.55      

Unscaled Zero Point Vibrational Energy (zpe) 3642.0 cm-1
Scaled (by 0.9316) Zero Point Vibrational Energy (zpe) 3392.9 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 CID/3-21G
ABC
0.23248 0.22999 0.13409

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Cl1 0.413 0.093 0.000
O2 -0.241 -1.586 0.000
H3 -1.232 -1.448 0.000
O4 -0.241 0.784 1.406
O5 -0.241 0.784 -1.406

Atom - Atom Distances (Å)
  Cl1 O2 H3 O4 O5
Cl11.80152.25351.69771.6977
O21.80151.00022.75562.7556
H32.25351.00022.81792.8179
O41.69772.75562.81792.8123
O51.69772.75562.81792.8123

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 36.737 O2 Cl1 O3 25.582
O2 Cl1 O4 103.865 O3 Cl1 O4 89.853
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at CID/3-21G
 hartrees
Energy at 0K-681.154587
Energy at 298.15K 
HF Energy-680.780929
Nuclear repulsion energy172.582683
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 CID/3-21G
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 3415 3181 68.43      
2 A 1332 1241 63.66      
3 A 683 636 5.24      
4 A 633 590 23.16      
5 A 502 468 49.62      
6 A 482 449 144.56      
7 A 311 289 20.75      
8 A 264 246 8.95      
9 A 215 201 15.50      

Unscaled Zero Point Vibrational Energy (zpe) 3918.8 cm-1
Scaled (by 0.9316) Zero Point Vibrational Energy (zpe) 3650.8 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 CID/3-21G
ABC
0.26451 0.20590 0.13504

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Cl1 -0.161 0.052 -0.416
O2 1.013 -1.199 0.145
H3 1.547 -0.599 0.751
O4 0.764 1.355 0.258
O5 -1.628 -0.192 0.388

Atom - Atom Distances (Å)
  Cl1 O2 H3 O4 O5
Cl11.80462.16831.73441.6904
O21.80461.00592.56822.8367
H32.16831.00592.16173.2211
O41.73442.56822.16172.8515
O51.69042.83673.22112.8515

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 34.418 O2 Cl1 O3 27.427
O2 Cl1 O4 93.032 O3 Cl1 O4 66.188
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability