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: QCISD(T)=FULL/aug-cc-pVDZ

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 QCISD(T)=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-758.411556
Energy at 298.15K 
HF Energy-757.483581
Nuclear repulsion energy177.379530
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 QCISD(T)=FULL/aug-cc-pVDZ
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' 516 500        
2 A2" 377 366        
3 E' 76i 74i        
3 E' 76i 73i        
4 E' 559 542        
4 E' 559 542        

Unscaled Zero Point Vibrational Energy (zpe) 929.8 cm-1
Scaled (by 0.9701) Zero Point Vibrational Energy (zpe) 902.0 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 QCISD(T)=FULL/aug-cc-pVDZ
ABC
0.18509 0.18509 0.09254

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)=FULL/aug-cc-pVDZ

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Cl1 0.000 0.000 0.000
F2 0.000 1.788 0.000
F3 1.548 -0.894 0.000
F4 -1.548 -0.894 0.000

Atom - Atom Distances (Å)
  Cl1 F2 F3 F4
Cl11.78781.78781.7878
F21.78783.09653.0965
F31.78783.09653.0965
F41.78783.09653.0965

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 QCISD(T)=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-758.434757
Energy at 298.15K-758.435963
HF Energy-757.550343
Nuclear repulsion energy189.308372
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 QCISD(T)=FULL/aug-cc-pVDZ
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 722 701        
2 A1 517 502        
3 A1 282 274        
4 B1 302 293        
5 B2 708 687        
6 B2 382 371        

Unscaled Zero Point Vibrational Energy (zpe) 1456.6 cm-1
Scaled (by 0.9701) Zero Point Vibrational Energy (zpe) 1413.1 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 QCISD(T)=FULL/aug-cc-pVDZ
ABC
0.42734 0.14351 0.10743

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)=FULL/aug-cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Cl1 0.000 0.000 0.373
F2 0.000 0.000 -1.285
F3 0.000 1.758 0.290
F4 0.000 -1.758 0.290

Atom - Atom Distances (Å)
  Cl1 F2 F3 F4
Cl11.65851.76021.7602
F21.65852.36062.3606
F31.76022.36063.5165
F41.76022.36063.5165

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 87.284 F2 Cl1 F4 87.284
F3 Cl1 F4 174.568
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability