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

using model chemistry: CCSD/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 CCSD/6-311+G(3df,2p)
 hartrees
Energy at 0K-636.656958
Energy at 298.15K-636.659080
HF Energy-635.874972
Nuclear repulsion energy140.627832
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/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' 3257 3072 1.14      
2 A' 3250 3065 12.54      
3 A' 1733 1635 28.74      
4 A' 1344 1268 0.27      
5 A' 1262 1190 3.62      
6 A' 1175 1108 182.56      
7 A' 909 858 46.29      
8 A' 460 434 1.85      
9 A' 277 261 6.14      
10 A" 939 886 53.44      
11 A" 832 785 7.42      
12 A" 278 262 1.41      

Unscaled Zero Point Vibrational Energy (zpe) 7858.6 cm-1
Scaled (by 0.9431) Zero Point Vibrational Energy (zpe) 7411.4 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/6-311+G(3df,2p)
ABC
1.81998 0.08261 0.07902

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/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 1.017 -0.369 0.000
Cl3 -1.626 -0.087 0.000
F4 2.274 0.081 0.000
H5 0.132 1.549 0.000
H6 0.940 -1.446 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.32421.72172.30861.07902.1424
C21.32422.65831.33502.11291.0799
Cl31.72172.65833.90382.40212.9041
F42.30861.33503.90382.59692.0277
H51.07902.11292.40212.59693.1029
H62.14241.07992.90412.02773.1029

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 120.486 C1 C2 H6 125.727
C2 C1 Cl3 121.007 C2 C1 H5 122.769
Cl3 C1 H5 116.223 F4 C2 H6 113.788
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability