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

using model chemistry: QCISD(T)=FULL/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at QCISD(T)=FULL/cc-pVDZ
 hartrees
Energy at 0K-636.459640
Energy at 298.15K-636.461899
HF Energy-635.811064
Nuclear repulsion energy147.976903
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 QCISD(T)=FULL/cc-pVDZ
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' 3320 3184        
2 A' 3205 3073        
3 A' 1714 1644        
4 A' 1400 1343        
5 A' 1218 1168        
6 A' 960 921        
7 A' 697 668        
8 A' 428 410        
9 A' 368 353        
10 A" 825 791        
11 A" 717 687        
12 A" 520 498        

Unscaled Zero Point Vibrational Energy (zpe) 7685.7 cm-1
Scaled (by 0.959) Zero Point Vibrational Energy (zpe) 7370.6 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 QCISD(T)=FULL/cc-pVDZ
ABC
0.34892 0.16643 0.11268

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)=FULL/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.456 0.000
C2 -1.035 1.310 0.000
F3 1.276 0.860 0.000
Cl4 -0.140 -1.274 0.000
H5 -0.838 2.386 0.000
H6 -2.060 0.935 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 Cl4 H5 H6
C11.34201.33871.73542.10392.1150
C21.34202.35462.73451.09361.0913
F31.33872.35462.56112.60713.3371
Cl41.73542.73452.56113.72552.9269
H52.10391.09362.60713.72551.8966
H62.11501.09133.33712.92691.8966

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 119.147 C1 C2 H6 120.385
C2 C1 F3 122.894 C2 C1 Cl4 124.903
F3 C1 Cl4 112.203 H5 C2 H6 120.468
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability