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

using model chemistry: CISD/3-21G

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 CISD/3-21G
 hartrees
Energy at 0K-754.032407
Energy at 298.15K-754.032831
HF Energy-753.585791
Nuclear repulsion energy172.172050
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 CISD/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' 482 454 0.00      
2 A2" 345 325 32.16      
3 E' 112 105 0.91      
3 E' 112 105 0.91      
4 E' 555 522 62.57      
4 E' 555 522 62.57      

Unscaled Zero Point Vibrational Energy (zpe) 1080.2 cm-1
Scaled (by 0.9413) Zero Point Vibrational Energy (zpe) 1016.8 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 CISD/3-21G
ABC
0.17435 0.17435 0.08718

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/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 1.842 0.000
F3 1.595 -0.921 0.000
F4 -1.595 -0.921 0.000

Atom - Atom Distances (Å)
  Cl1 F2 F3 F4
Cl11.84201.84201.8420
F21.84203.19043.1904
F31.84203.19043.1904
F41.84203.19043.1904

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 CISD/3-21G
 hartrees
Energy at 0K-754.055050
Energy at 298.15K-754.056143
HF Energy-753.636338
Nuclear repulsion energy184.613271
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 CISD/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 677 638 4.04      
2 A1 483 455 0.24      
3 A1 289 272 24.42      
4 B1 265 249 24.48      
5 B2 723 680 205.06      
6 B2 360 339 2.70      

Unscaled Zero Point Vibrational Energy (zpe) 1397.8 cm-1
Scaled (by 0.9413) Zero Point Vibrational Energy (zpe) 1315.8 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 CISD/3-21G
ABC
0.41652 0.13754 0.10340

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Cl1 0.000 0.000 0.442
F2 0.000 0.000 -1.291
F3 0.000 1.796 0.228
F4 0.000 -1.796 0.228

Atom - Atom Distances (Å)
  Cl1 F2 F3 F4
Cl11.73341.80881.8088
F21.73342.35192.3519
F31.80882.35193.5920
F41.80882.35193.5920

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 83.176 F2 Cl1 F4 83.176
F3 Cl1 F4 166.352
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability