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

using model chemistry: MP4/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP4/3-21G
 hartrees
Energy at 0K-633.001084
Energy at 298.15K-633.003062
HF Energy-632.622325
Nuclear repulsion energy135.279315
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 MP4/3-21G
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' 3274 3175        
2 A' 3220 3122        
3 A' 1680 1630        
4 A' 1372 1330        
5 A' 1226 1189        
6 A' 1120 1086        
7 A' 774 751        
8 A' 411 398        
9 A' 259 251        
10 A" 956 927        
11 A" 817 793        
12 A" 262 254        

Unscaled Zero Point Vibrational Energy (zpe) 7685.2 cm-1
Scaled (by 0.9698) Zero Point Vibrational Energy (zpe) 7453.1 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 MP4/3-21G
ABC
1.71831 0.07608 0.07285

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.523 0.000
C2 1.069 -0.273 0.000
Cl3 -1.686 -0.234 0.000
F4 2.356 0.247 0.000
H5 0.011 1.605 0.000
H6 1.027 -1.358 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.33351.84832.37251.08112.1434
C21.33352.75571.38822.15541.0854
Cl31.84832.75574.07102.50202.9369
F42.37251.38824.07102.70972.0839
H51.08112.15542.50202.70973.1317
H62.14341.08542.93692.08393.1317

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 121.296 C1 C2 H6 124.462
C2 C1 Cl3 119.128 C2 C1 H5 126.095
Cl3 C1 H5 114.777 F4 C2 H6 114.242
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability