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

using model chemistry: CCSD=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 CCSD=FULL/6-31G(2df,p)
 hartrees
Energy at 0K-636.574153
Energy at 298.15K-636.576508
HF Energy-635.799355
Nuclear repulsion energy150.090932
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 CCSD=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' 3357 3161 0.55      
2 A' 3247 3058 4.43      
3 A' 1769 1666 121.88      
4 A' 1440 1356 4.97      
5 A' 1255 1182 170.85      
6 A' 996 938 26.76      
7 A' 722 680 39.80      
8 A' 443 417 1.94      
9 A' 377 355 0.13      
10 A" 888 837 53.26      
11 A" 750 707 0.28      
12 A" 555 523 0.13      

Unscaled Zero Point Vibrational Energy (zpe) 7900.5 cm-1
Scaled (by 0.9416) Zero Point Vibrational Energy (zpe) 7439.1 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 CCSD=FULL/6-31G(2df,p)
ABC
0.35893 0.17123 0.11593

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD=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 -1.021 1.291 0.000
F3 1.257 0.846 0.000
Cl4 -0.136 -1.257 0.000
H5 -0.837 2.354 0.000
H6 -2.032 0.922 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 Cl4 H5 H6
C11.31971.31661.71662.07552.0851
C21.31972.32112.69651.07921.0762
F31.31662.32112.52252.58013.2900
Cl41.71662.69652.52253.67782.8879
H52.07551.07922.58013.67781.8654
H62.08511.07623.29002.88791.8654

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 119.474 C1 C2 H6 120.653
C2 C1 F3 123.386 C2 C1 Cl4 124.757
F3 C1 Cl4 111.857 H5 C2 H6 119.872
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability