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

using model chemistry: MP2=FULL/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2=FULL/6-31G**
 hartrees
Energy at 0K-636.367616
Energy at 298.15K-636.369904
HF Energy-635.780762
Nuclear repulsion energy145.241934
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 MP2=FULL/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' 3342 3123 8.49      
2 A' 3313 3096 4.46      
3 A' 1755 1639 49.98      
4 A' 1411 1318 23.81      
5 A' 1296 1211 23.11      
6 A' 1112 1039 80.67      
7 A' 845 789 17.13      
8 A' 676 631 18.35      
9 A' 201 188 1.45      
10 A" 892 833 0.13      
11 A" 779 728 37.22      
12 A" 460 430 8.24      

Unscaled Zero Point Vibrational Energy (zpe) 8039.9 cm-1
Scaled (by 0.9344) Zero Point Vibrational Energy (zpe) 7512.5 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
0.54776 0.12389 0.10104

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 0.870 0.000
C2 1.250 0.416 0.000
Cl3 -1.375 -0.157 0.000
F4 1.550 -0.894 0.000
H5 -0.195 1.929 0.000
H6 2.114 1.063 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.33051.71602.34801.07652.1223
C21.33052.68661.34312.09251.0788
Cl31.71602.68663.01572.39653.6952
F42.34801.34313.01573.31822.0359
H51.07652.09252.39653.31822.4655
H62.12231.07883.69522.03592.4655

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 122.863 C1 C2 H6 123.164
C2 C1 Cl3 123.247 C2 C1 H5 120.400
Cl3 C1 H5 116.353 F4 C2 H6 113.973
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability