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

using model chemistry: CCSD/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-636.671005
Energy at 298.15K-636.673343
HF Energy-635.887069
Nuclear repulsion energy149.549222
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/cc-pVTZ
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' 3321 3126 0.22      
2 A' 3215 3026 3.23      
3 A' 1748 1645 136.82      
4 A' 1431 1347 3.79      
5 A' 1244 1171 177.11      
6 A' 983 925 34.74      
7 A' 714 672 40.17      
8 A' 440 414 1.71      
9 A' 375 353 0.07      
10 A" 884 832 56.94      
11 A" 740 696 0.19      
12 A" 538 507 0.64      

Unscaled Zero Point Vibrational Energy (zpe) 7815.9 cm-1
Scaled (by 0.9412) Zero Point Vibrational Energy (zpe) 7356.3 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/cc-pVTZ
ABC
0.35805 0.16945 0.11502

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.453 0.000
C2 -1.009 1.307 0.000
F3 1.268 0.841 0.000
Cl4 -0.149 -1.262 0.000
H5 -0.806 2.366 0.000
H6 -2.023 0.948 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 Cl4 H5 H6
C11.32191.32601.72112.07582.0826
C21.32192.32432.70891.07821.0757
F31.32602.32432.53552.57443.2928
Cl41.72112.70892.53553.68672.8973
H52.07581.07822.57443.68671.8686
H62.08261.07573.29282.89731.8686

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 119.391 C1 C2 H6 120.254
C2 C1 F3 122.747 C2 C1 Cl4 125.281
F3 C1 Cl4 111.972 H5 C2 H6 120.355
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability