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 ClF3 (Chlorine trifluoride)

using model chemistry: CCD/cc-pCVTZ

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 CCD/cc-pCVTZ
 hartrees
Energy at 0K-758.624161
Energy at 298.15K 
HF Energy-757.593515
Nuclear repulsion energy186.095226
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 CCD/cc-pCVTZ
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' 596 596 0.00      
2 A2" 470 470 32.83      
3 E' 620 620 343.32      
3 E' 620 620 343.31      
4 E' 179i 179i 7.56      
4 E' 179i 179i 7.56      

Unscaled Zero Point Vibrational Energy (zpe) 974.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 974.3 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 CCD/cc-pCVTZ
ABC
0.20369 0.20369 0.10185

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

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Cl1 0.000 0.000 0.000
F2 0.000 1.704 0.000
F3 1.476 -0.852 0.000
F4 -1.476 -0.852 0.000

Atom - Atom Distances (Å)
  Cl1 F2 F3 F4
Cl11.70411.70411.7041
F21.70412.95172.9517
F31.70412.95172.9517
F41.70412.95172.9517

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 CCD/cc-pCVTZ
 hartrees
Energy at 0K-758.676772
Energy at 298.15K-758.678331
HF Energy-757.668926
Nuclear repulsion energy198.621584
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 CCD/cc-pCVTZ
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 824 824 49.71      
2 A1 584 584 2.41      
3 A1 369 369 16.57      
4 B1 353 353 19.15      
5 B2 765 765 544.91      
6 B2 475 475 0.69      

Unscaled Zero Point Vibrational Energy (zpe) 1684.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1684.7 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 CCD/cc-pCVTZ
ABC
0.47171 0.15817 0.11845

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Cl1 0.000 0.000 0.363
F2 0.000 0.000 -1.222
F3 0.000 1.675 0.268
F4 0.000 -1.675 0.268

Atom - Atom Distances (Å)
  Cl1 F2 F3 F4
Cl11.58561.67751.6775
F21.58562.24222.2422
F31.67752.24223.3497
F41.67752.24223.3497

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 86.762 F2 Cl1 F4 86.762
F3 Cl1 F4 173.524
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability