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

using model chemistry: MP2/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 MP2/TZVP
 hartrees
Energy at 0K-636.487076
Energy at 298.15K-636.489156
HF Energy-635.868413
Nuclear repulsion energy139.995191
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/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' 3291 3120 5.52      
2 A' 3284 3113 7.30      
3 A' 1710 1621 22.10      
4 A' 1354 1284 0.66      
5 A' 1272 1205 4.57      
6 A' 1156 1096 175.68      
7 A' 904 857 50.24      
8 A' 456 432 1.81      
9 A' 275 261 6.71      
10 A" 927 878 64.20      
11 A" 768 728 6.65      
12 A" 271 257 1.33      

Unscaled Zero Point Vibrational Energy (zpe) 7833.3 cm-1
Scaled (by 0.9479) Zero Point Vibrational Energy (zpe) 7425.2 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 MP2/TZVP
ABC
1.80970 0.08184 0.07830

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.480 0.000
C2 1.021 -0.366 0.000
Cl3 -1.633 -0.097 0.000
F4 2.285 0.095 0.000
H5 0.127 1.551 0.000
H6 0.952 -1.444 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.32621.73232.31681.07832.1462
C21.32622.66841.34492.11521.0797
Cl31.73232.66843.92282.41122.9152
F42.31681.34493.92282.60262.0355
H51.07832.11522.41122.60263.1059
H62.14621.07972.91522.03553.1059

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 120.303 C1 C2 H6 125.960
C2 C1 Cl3 120.914 C2 C1 H5 122.869
Cl3 C1 H5 116.216 F4 C2 H6 113.737
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability