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

using model chemistry: MP2/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 MP2/cc-pVDZ
 hartrees
Energy at 0K-636.393542
Energy at 298.15K-636.395634
HF Energy-635.809500
Nuclear repulsion energy139.430105
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/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' 3282 3126 4.85      
2 A' 3275 3119 7.60      
3 A' 1718 1637 24.88      
4 A' 1323 1260 0.06      
5 A' 1233 1174 3.41      
6 A' 1172 1116 165.14      
7 A' 905 862 44.94      
8 A' 455 434 1.92      
9 A' 271 258 6.13      
10 A" 936 892 50.78      
11 A" 798 761 13.69      
12 A" 278 265 1.58      

Unscaled Zero Point Vibrational Energy (zpe) 7822.9 cm-1
Scaled (by 0.9525) Zero Point Vibrational Energy (zpe) 7451.3 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/cc-pVDZ
ABC
1.78251 0.08122 0.07768

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.486 0.000
C2 1.024 -0.381 0.000
Cl3 -1.640 -0.072 0.000
F4 2.295 0.054 0.000
H5 0.149 1.568 0.000
H6 0.920 -1.469 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.34161.73172.33571.09202.1604
C21.34162.68141.34372.13581.0929
Cl31.73172.68143.93692.42632.9159
F42.33571.34373.93692.62632.0519
H51.09202.13582.42632.62633.1327
H62.16041.09292.91592.05193.1327

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 120.878 C1 C2 H6 124.781
C2 C1 Cl3 120.972 C2 C1 H5 122.389
Cl3 C1 H5 116.639 F4 C2 H6 114.340
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability