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

using model chemistry: CCSD(T)=FULL/TZVP

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(T)=FULL/TZVP
 hartrees
Energy at 0K-636.616139
Energy at 298.15K-636.618180
HF Energy-635.868069
Nuclear repulsion energy139.516729
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(T)=FULL/TZVP
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 3114        
2 A' 3252 3109        
3 A' 1696 1621        
4 A' 1345 1285        
5 A' 1265 1209        
6 A' 1148 1098        
7 A' 886 847        
8 A' 449 429        
9 A' 272 260        
10 A" 903 863        
11 A" 746 714        
12 A" 264 253        

Unscaled Zero Point Vibrational Energy (zpe) 7741.1 cm-1
Scaled (by 0.956) Zero Point Vibrational Energy (zpe) 7400.4 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(T)=FULL/TZVP
ABC
1.79979 0.08125 0.07774

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)=FULL/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.480 0.000
C2 1.030 -0.361 0.000
Cl3 -1.640 -0.110 0.000
F4 2.290 0.114 0.000
H5 0.115 1.554 0.000
H6 0.971 -1.440 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.32971.74262.31901.07982.1518
C21.32972.68121.34672.12211.0807
Cl31.74262.68123.93602.41802.9301
F42.31901.34673.93602.60832.0383
H51.07982.12212.41802.60833.1139
H62.15181.08072.93012.03833.1139

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 120.100 C1 C2 H6 126.129
C2 C1 Cl3 120.964 C2 C1 H5 123.131
Cl3 C1 H5 115.905 F4 C2 H6 113.770
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability