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

using model chemistry: B2PLYP=FULLultrafine/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 B2PLYP=FULLultrafine/6-31G(2df,p)
 hartrees
Energy at 0K-637.162867
Energy at 298.15K 
HF Energy-636.921099
Nuclear repulsion energy149.620699
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 B2PLYP=FULLultrafine/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' 3336 3336 0.54      
2 A' 3225 3225 4.77      
3 A' 1733 1733 138.86      
4 A' 1423 1423 4.13      
5 A' 1220 1220 178.53      
6 A' 978 978 28.54      
7 A' 700 700 46.30      
8 A' 436 436 1.25      
9 A' 372 372 0.15      
10 A" 861 861 54.38      
11 A" 736 736 0.23      
12 A" 547 547 0.12      

Unscaled Zero Point Vibrational Energy (zpe) 7783.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 7783.8 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 B2PLYP=FULLultrafine/6-31G(2df,p)
ABC
0.35697 0.17002 0.11517

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.459 0.000
C2 -1.024 1.296 0.000
F3 1.261 0.848 0.000
Cl4 -0.137 -1.261 0.000
H5 -0.838 2.359 0.000
H6 -2.035 0.925 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 Cl4 H5 H6
C11.32231.31931.72562.07712.0873
C21.32232.32792.70641.07961.0767
F31.31932.32792.53012.58663.2962
Cl41.72562.70642.53013.68792.8950
H52.07711.07962.58663.68791.8678
H62.08731.07673.29622.89501.8678

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 119.372 C1 C2 H6 120.595
C2 C1 F3 123.592 C2 C1 Cl4 124.711
F3 C1 Cl4 111.697 H5 C2 H6 120.033
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability