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

using model chemistry: CCD/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCD/3-21G*
 hartrees
Energy at 0K-633.190581
Energy at 298.15K-633.192861
HF Energy-632.735617
Nuclear repulsion energy143.701040
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 CCD/3-21G*
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' 3259 3117 7.15      
2 A' 3220 3080 2.17      
3 A' 1735 1659 23.75      
4 A' 1431 1369 12.33      
5 A' 1310 1253 6.68      
6 A' 1090 1042 49.97      
7 A' 805 770 10.13      
8 A' 655 627 21.55      
9 A' 198 189 1.90      
10 A" 955 914 0.50      
11 A" 789 755 42.55      
12 A" 463 443 8.80      

Unscaled Zero Point Vibrational Energy (zpe) 7954.2 cm-1
Scaled (by 0.9565) Zero Point Vibrational Energy (zpe) 7608.2 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 CCD/3-21G*
ABC
0.52063 0.12327 0.09967

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.897 0.000
C2 1.249 0.440 0.000
Cl3 -1.378 -0.174 0.000
F4 1.559 -0.902 0.000
H5 -0.221 1.956 0.000
H6 2.114 1.096 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.33031.74462.38011.08242.1229
C21.33032.69791.37702.11191.0848
Cl31.74462.69793.02562.42393.7149
F42.38011.37703.02563.36692.0732
H51.08242.11192.42393.36692.4877
H62.12291.08483.71492.07322.4877

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 123.066 C1 C2 H6 122.726
C2 C1 Cl3 122.083 C2 C1 H5 121.835
Cl3 C1 H5 116.082 F4 C2 H6 114.208
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability