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

using model chemistry: CCSD(T)/cc-pVDZ

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)/cc-pVDZ
 hartrees
Energy at 0K-636.442804
Energy at 298.15K-636.444852
HF Energy-635.808871
Nuclear repulsion energy138.882862
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)/cc-pVDZ
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' 3248 3179        
2 A' 3238 3170        
3 A' 1703 1667        
4 A' 1312 1284        
5 A' 1225 1199        
6 A' 1158 1133        
7 A' 884 865        
8 A' 447 438        
9 A' 268 262        
10 A" 912 892        
11 A" 772 755        
12 A" 270 265        

Unscaled Zero Point Vibrational Energy (zpe) 7717.8 cm-1
Scaled (by 0.9788) Zero Point Vibrational Energy (zpe) 7554.2 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)/cc-pVDZ
ABC
1.76806 0.08059 0.07708

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.488 0.000
C2 1.031 -0.377 0.000
Cl3 -1.646 -0.082 0.000
F4 2.302 0.070 0.000
H5 0.140 1.573 0.000
H6 0.938 -1.468 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.34571.74232.34001.09432.1692
C21.34572.69391.34722.14371.0956
Cl31.74232.69393.95172.43572.9324
F42.34001.34723.95172.63322.0563
H51.09432.14372.43572.63323.1442
H62.16921.09562.93242.05633.1442

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 120.667 C1 C2 H6 125.073
C2 C1 Cl3 120.933 C2 C1 H5 122.602
Cl3 C1 H5 116.466 F4 C2 H6 114.260
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability