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All results from a given calculation for ClF3 (Chlorine trifluoride)

using model chemistry: MP2/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 no D3H 1A1'
1 2 yes C2V 1A1

Conformer 1 (D3H)

Jump to S1C2
Energy calculated at MP2/6-311G*
 hartrees
Energy at 0K-758.363027
Energy at 298.15K-758.363569
HF Energy-757.499392
Nuclear repulsion energy177.190757
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 MP2/6-311G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1' 490 465 0.00      
2 A2" 382 363 29.48      
3 E' 135 128 5.07      
3 E' 135 128 5.07      
4 E' 552 524 92.34      
4 E' 552 524 92.34      

Unscaled Zero Point Vibrational Energy (zpe) 1122.9 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 1067.1 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 MP2/6-311G*
ABC
0.18467 0.18467 0.09233

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-311G*

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Cl1 0.000 0.000 0.000
F2 0.000 1.790 0.000
F3 1.550 -0.895 0.000
F4 -1.550 -0.895 0.000

Atom - Atom Distances (Å)
  Cl1 F2 F3 F4
Cl11.78981.78981.7898
F21.78983.10003.1000
F31.78983.10003.1000
F41.78983.10003.1000

picture of Chlorine trifluoride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 Cl1 F3 120.000 F2 Cl1 F4 120.000
F3 Cl1 F4 120.000
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at MP2/6-311G*
 hartrees
Energy at 0K-758.380370
Energy at 298.15K-758.381592
HF Energy-757.570155
Nuclear repulsion energy190.694195
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 MP2/6-311G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 702 667 43.97      
2 A1 491 466 1.62      
3 A1 301 286 19.22      
4 B1 308 292 25.38      
5 B2 727 691 352.84      
6 B2 403 383 0.70      

Unscaled Zero Point Vibrational Energy (zpe) 1465.7 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 1392.9 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 MP2/6-311G*
ABC
0.43687 0.14526 0.10901

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-311G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Cl1 0.000 0.000 0.374
F2 0.000 0.000 -1.271
F3 0.000 1.748 0.282
F4 0.000 -1.748 0.282

Atom - Atom Distances (Å)
  Cl1 F2 F3 F4
Cl11.64441.75001.7500
F21.64442.33802.3380
F31.75002.33803.4953
F41.75002.33803.4953

picture of Chlorine trifluoride state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 Cl1 F3 87.007 F2 Cl1 F4 87.007
F3 Cl1 F4 174.014
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability