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All results from a given calculation for CHFCHClz ((Z)-1-Chloro-2-fluoroethene)

using model chemistry: CCSD(T)/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)/TZVP
 hartrees
Energy at 0K-636.537271
Energy at 298.15K-636.539473
HF Energy-635.868810
Nuclear repulsion energy144.475268
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)/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' 3265 3143        
2 A' 3238 3116        
3 A' 1703 1640        
4 A' 1374 1323        
5 A' 1273 1225        
6 A' 1082 1041        
7 A' 814 783        
8 A' 654 630        
9 A' 198 190        
10 A" 810 780        
11 A" 735 707        
12 A" 430 414        

Unscaled Zero Point Vibrational Energy (zpe) 7787.8 cm-1
Scaled (by 0.9625) Zero Point Vibrational Energy (zpe) 7495.8 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)/TZVP
ABC
0.54591 0.12210 0.09978

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.873 0.000
C2 1.256 0.431 0.000
Cl3 -1.385 -0.176 0.000
F4 1.568 -0.873 0.000
H5 -0.211 1.932 0.000
H6 2.120 1.082 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.33141.73772.34631.07982.1307
C21.33142.71031.34072.09851.0821
Cl31.73772.71033.03412.41323.7247
F42.34631.34073.03413.32102.0315
H51.07982.09852.41323.32102.4812
H62.13071.08213.72472.03152.4812

picture of (Z)-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 122.818 C1 C2 H6 123.644
C2 C1 Cl3 123.493 C2 C1 H5 120.627
Cl3 C1 H5 115.880 F4 C2 H6 113.538
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability