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

using model chemistry: CCSD/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-636.666709
Energy at 298.15K-636.668826
HF Energy-635.884192
Nuclear repulsion energy140.409282
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/cc-pVTZ
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' 3265 3073 5.28      
2 A' 3255 3063 7.58      
3 A' 1742 1639 28.07      
4 A' 1346 1267 0.17      
5 A' 1260 1186 3.70      
6 A' 1185 1115 173.27      
7 A' 901 848 45.26      
8 A' 458 431 1.79      
9 A' 273 257 6.23      
10 A" 945 889 54.52      
11 A" 826 778 8.69      
12 A" 278 261 1.64      

Unscaled Zero Point Vibrational Energy (zpe) 7866.1 cm-1
Scaled (by 0.9412) Zero Point Vibrational Energy (zpe) 7403.6 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 CCSD/cc-pVTZ
ABC
1.82055 0.08228 0.07872

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.480 0.000
C2 1.022 -0.362 0.000
Cl3 -1.629 -0.097 0.000
F4 2.278 0.092 0.000
H5 0.123 1.551 0.000
H6 0.943 -1.438 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.32421.72852.31041.07732.1375
C21.32422.66421.33532.11291.0788
Cl31.72852.66423.91132.40552.9008
F42.31041.33533.91132.60152.0301
H51.07732.11292.40552.60153.0988
H62.13751.07882.90082.03013.0988

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 120.629 C1 C2 H6 125.317
C2 C1 Cl3 120.984 C2 C1 H5 122.923
Cl3 C1 H5 116.093 F4 C2 H6 114.054
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability