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All results from a given calculation for CHFCHCl ((E)-1-chloro-2-fluoroethene)

using model chemistry: QCISD(T)=FULL/6-311+G(3df,2p)

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/6-311+G(3df,2p)
 hartrees
Energy at 0K-636.854976
Energy at 298.15K-636.857067
HF Energy-635.874599
Nuclear repulsion energy140.489392
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/6-311+G(3df,2p)
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' 3240 3240        
2 A' 3233 3233        
3 A' 1695 1695        
4 A' 1328 1328        
5 A' 1244 1244        
6 A' 1157 1157        
7 A' 901 901        
8 A' 455 455        
9 A' 273 273        
10 A" 920 920        
11 A" 814 814        
12 A" 274 274        

Unscaled Zero Point Vibrational Energy (zpe) 7766.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 7766.8 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 QCISD(T)=FULL/6-311+G(3df,2p)
ABC
1.81376 0.08246 0.07888

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)=FULL/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.478 0.000
C2 1.016 -0.378 0.000
Cl3 -1.627 -0.077 0.000
F4 2.277 0.069 0.000
H5 0.141 1.549 0.000
H6 0.935 -1.456 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.32871.71952.31361.07992.1477
C21.32872.66071.33782.11591.0806
Cl31.71952.66073.90722.40262.9095
F42.31361.33783.90722.59822.0311
H51.07992.11592.40262.59823.1072
H62.14771.08062.90952.03113.1072

picture of (E)-1-chloro-2-fluoroethene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F4 120.375 C1 C2 H6 125.797
C2 C1 Cl3 121.050 C2 C1 H5 122.586
Cl3 C1 H5 116.364 F4 C2 H6 113.828
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability