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

using model chemistry: B2PLYP=FULLultrafine/aug-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 B2PLYP=FULLultrafine/aug-cc-pVDZ
 hartrees
Energy at 0K-637.160448
Energy at 298.15K 
HF Energy-636.950394
Nuclear repulsion energy139.178125
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 B2PLYP=FULLultrafine/aug-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' 3266 3143 0.58      
2 A' 3260 3137 14.40      
3 A' 1699 1635 22.31      
4 A' 1314 1265 0.71      
5 A' 1230 1184 3.22      
6 A' 1116 1074 187.87      
7 A' 875 842 56.86      
8 A' 446 429 1.52      
9 A' 270 260 6.09      
10 A" 910 876 60.25      
11 A" 803 772 6.12      
12 A" 270 260 1.31      

Unscaled Zero Point Vibrational Energy (zpe) 7729.3 cm-1
Scaled (by 0.9623) Zero Point Vibrational Energy (zpe) 7437.9 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 B2PLYP=FULLultrafine/aug-cc-pVDZ
ABC
1.78119 0.08098 0.07746

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.482 0.000
C2 1.025 -0.370 0.000
Cl3 -1.642 -0.098 0.000
F4 2.298 0.099 0.000
H5 0.117 1.563 0.000
H6 0.961 -1.455 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.33311.74132.32941.08712.1628
C21.33312.68071.35592.13551.0873
Cl31.74132.68073.94412.41952.9352
F42.32941.35593.94412.62642.0497
H51.08712.13552.41952.62643.1340
H62.16281.08732.93522.04973.1340

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 120.053 C1 C2 H6 126.345
C2 C1 Cl3 120.791 C2 C1 H5 123.535
Cl3 C1 H5 115.673 F4 C2 H6 113.602
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability