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

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 D3H 1A1'
1 2 yes C2V 1A1

Conformer 1 (D3H)

Jump to S1C2
Energy calculated at CCSD/6-31G(2df,p)
 hartrees
Energy at 0K-758.384466
Energy at 298.15K 
HF Energy-757.437220
Nuclear repulsion energy184.340184
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 A1' 584 552 0.00      
2 A2" 454 429 23.88      
3 E' 149i 141i 5.66      
3 E' 149i 141i 5.66      
4 E' 624 590 259.60      
4 E' 624 590 259.60      

Unscaled Zero Point Vibrational Energy (zpe) 993.7 cm-1
Scaled (by 0.9455) Zero Point Vibrational Energy (zpe) 939.6 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/6-31G(2df,p)
ABC
0.19987 0.19987 0.09993

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

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Cl1 0.000 0.000 0.000
F2 0.000 1.720 0.000
F3 1.490 -0.860 0.000
F4 -1.490 -0.860 0.000

Atom - Atom Distances (Å)
  Cl1 F2 F3 F4
Cl11.72041.72041.7204
F21.72042.97982.9798
F31.72042.97982.9798
F41.72042.97982.9798

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
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at CCSD/6-31G(2df,p)
 hartrees
Energy at 0K-758.430075
Energy at 298.15K-758.431538
HF Energy-757.510074
Nuclear repulsion energy196.774758
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 A1 791 748 35.93      
2 A1 570 539 1.44      
3 A1 352 333 13.53      
4 B1 335 317 15.03      
5 B2 757 715 437.74      
6 B2 453 428 0.74      

Unscaled Zero Point Vibrational Energy (zpe) 1629.0 cm-1
Scaled (by 0.9455) Zero Point Vibrational Energy (zpe) 1540.2 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/6-31G(2df,p)
ABC
0.46431 0.15532 0.11639

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Cl1 0.000 0.000 0.372
F2 0.000 0.000 -1.232
F3 0.000 1.690 0.265
F4 0.000 -1.690 0.265

Atom - Atom Distances (Å)
  Cl1 F2 F3 F4
Cl11.60341.69351.6935
F21.60342.25712.2571
F31.69352.25713.3802
F41.69352.25713.3802

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 86.368 F2 Cl1 F4 86.368
F3 Cl1 F4 172.735
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability