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All results from a given calculation for C2H2ClF (1-chloro-1-fluoroethylene)

using model chemistry: MP3=FULL/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP3=FULL/6-31G(2df,p)
 hartrees
Energy at 0K-636.571302
Energy at 298.15K-636.573671
HF Energy-635.799513
Nuclear repulsion energy150.305145
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 MP3=FULL/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 A' 3382 3382 0.90      
2 A' 3270 3270 5.78      
3 A' 1779 1779 126.38      
4 A' 1445 1445 6.06      
5 A' 1264 1264 175.41      
6 A' 1002 1002 26.13      
7 A' 725 725 40.92      
8 A' 445 445 1.96      
9 A' 379 379 0.13      
10 A" 890 890 55.11      
11 A" 754 754 0.30      
12 A" 560 560 0.15      

Unscaled Zero Point Vibrational Energy (zpe) 7947.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 7947.4 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 MP3=FULL/6-31G(2df,p)
ABC
0.36004 0.17167 0.11624

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.455 0.000
C2 -1.024 1.286 0.000
F3 1.253 0.849 0.000
Cl4 -0.133 -1.255 0.000
H5 -0.843 2.348 0.000
H6 -2.031 0.911 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 Cl4 H5 H6
C11.31841.31291.71552.07242.0817
C21.31842.31772.69291.07761.0747
F31.31292.31772.51902.57683.2841
Cl41.71552.69292.51903.67292.8807
H52.07241.07762.57683.67291.8644
H62.08171.07473.28412.88071.8644

picture of 1-chloro-1-fluoroethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 119.418 C1 C2 H6 120.541
C2 C1 F3 123.486 C2 C1 Cl4 124.631
F3 C1 Cl4 111.883 H5 C2 H6 120.041
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability