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

using model chemistry: CCSD=FULL/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 CCSD=FULL/6-31G(2df,p)
 hartrees
Energy at 0K-636.568468
Energy at 298.15K-636.570599
HF Energy-635.795913
Nuclear repulsion energy140.816802
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=FULL/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' 3293 3100 8.23      
2 A' 3279 3088 5.31      
3 A' 1759 1657 28.78      
4 A' 1362 1282 0.15      
5 A' 1259 1185 3.72      
6 A' 1205 1135 158.18      
7 A' 911 858 41.41      
8 A' 463 436 1.81      
9 A' 275 259 6.09      
10 A" 964 907 39.15      
11 A" 835 786 12.56      
12 A" 283 266 1.85      

Unscaled Zero Point Vibrational Energy (zpe) 7943.3 cm-1
Scaled (by 0.9416) Zero Point Vibrational Energy (zpe) 7479.5 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=FULL/6-31G(2df,p)
ABC
1.82630 0.08275 0.07917

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.483 0.000
C2 1.019 -0.361 0.000
Cl3 -1.624 -0.090 0.000
F4 2.272 0.076 0.000
H5 0.123 1.554 0.000
H6 0.931 -1.438 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.32271.72242.30831.07822.1345
C21.32272.65671.32722.11401.0804
Cl31.72242.65673.89982.39942.8890
F42.30831.32723.89982.60852.0217
H51.07822.11402.39942.60853.0990
H62.13451.08042.88902.02173.0990

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 121.167 C1 C2 H6 125.003
C2 C1 Cl3 120.925 C2 C1 H5 123.085
Cl3 C1 H5 115.989 F4 C2 H6 113.830
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability