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

using model chemistry: G3

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at G3
 hartrees
Energy at 0K-637.171772
Energy at 298.15K-637.166745
HF Energy-635.778256
Nuclear repulsion energy146.121768
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 HF/6-31G*
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' 3456 3257 10.61      
2 A' 3429 3231 3.16      
3 A' 1911 1801 73.13      
4 A' 1502 1415 35.38      
5 A' 1381 1302 39.00      
6 A' 1186 1117 112.40      
7 A' 880 830 19.20      
8 A' 712 670 30.56      
9 A' 217 205 1.89      
10 A" 1050 989 0.62      
11 A" 863 813 39.83      
12 A" 502 473 11.00      

Unscaled Zero Point Vibrational Energy (zpe) 8544.5 cm-1
Scaled (by 0.9422) Zero Point Vibrational Energy (zpe) 8050.7 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 MP2=FULL/6-31G*
ABC
0.54591 0.12402 0.10106

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.872 0.000
C2 1.250 0.417 0.000
Cl3 -1.374 -0.158 0.000
F4 1.548 -0.894 0.000
H5 -0.200 1.935 0.000
H6 2.121 1.062 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.33081.71712.34841.08142.1296
C21.33082.68651.34402.09961.0835
Cl31.71712.68653.01312.39963.7017
F42.34841.34403.01313.32522.0377
H51.08142.09962.39963.32522.4799
H62.12961.08353.70172.03772.4799

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 123.502 C1 C2 H6 123.070
C2 C1 Cl3 123.684 C2 C1 H5 120.884
Cl3 C1 H5 115.432 F4 C2 H6 113.427
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability