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

using model chemistry: MP4=FULL/3-21G

19 10 17 12 22

States and conformations

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

Conformer 1 (D3H)

Jump to S1C2
Energy calculated at MP4=FULL/3-21G
 hartrees
Energy at 0K-754.148903
Energy at 298.15K 
HF Energy-753.550641
Nuclear repulsion energy158.861698
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 MP4=FULL/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 A1' 159 156        
2 A2" 159 156        
3 E' 120i 117i        
3 E' 120i 117i        
4 E' 204 199        
4 E' 214 209        

Unscaled Zero Point Vibrational Energy (zpe) 248.2 cm-1
Scaled (by 0.9788) Zero Point Vibrational Energy (zpe) 243.0 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 MP4=FULL/3-21G
ABC
0.14846 0.14846 0.07423

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/3-21G

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Cl1 0.000 0.000 0.000
F2 0.000 1.996 0.000
F3 1.729 -0.998 0.000
F4 -1.729 -0.998 0.000

Atom - Atom Distances (Å)
  Cl1 F2 F3 F4
Cl11.99621.99611.9961
F21.99623.45743.4574
F31.99613.45743.4574
F41.99613.45743.4574

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 MP4=FULL/3-21G
 hartrees
Energy at 0K-754.137271
Energy at 298.15K-754.137441
HF Energy-753.610415
Nuclear repulsion energy173.778262
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 MP4=FULL/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 A1 421 412        
2 A1 255 250        
3 A1 136 133        
4 B1 205 201        
5 B2 592 579        
6 B2 244 239        

Unscaled Zero Point Vibrational Energy (zpe) 926.5 cm-1
Scaled (by 0.9788) Zero Point Vibrational Energy (zpe) 906.8 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 MP4=FULL/3-21G
ABC
0.36730 0.12119 0.09113

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/3-21G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Cl1 0.000 0.000 0.444
F2 0.000 0.000 -1.381
F3 0.000 1.913 0.271
F4 0.000 -1.913 0.271

Atom - Atom Distances (Å)
  Cl1 F2 F3 F4
Cl11.82441.92111.9211
F21.82442.52782.5278
F31.92112.52783.8266
F41.92112.52783.8266

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 84.847 F2 Cl1 F4 84.847
F3 Cl1 F4 169.694
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability