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

using model chemistry: CCSD/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 CCSD/aug-cc-pVDZ
 hartrees
Energy at 0K-636.475605
Energy at 298.15K-636.477667
HF Energy-635.823155
Nuclear repulsion energy138.770696
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 CCSD/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' 3265 3146 0.57      
2 A' 3257 3138 12.32      
3 A' 1720 1657 22.14      
4 A' 1320 1271 0.23      
5 A' 1237 1191 5.02      
6 A' 1128 1087 175.91      
7 A' 884 852 48.84      
8 A' 448 432 1.75      
9 A' 271 261 6.63      
10 A" 908 875 56.41      
11 A" 788 760 4.73      
12 A" 269 259 1.60      

Unscaled Zero Point Vibrational Energy (zpe) 7747.0 cm-1
Scaled (by 0.9634) Zero Point Vibrational Energy (zpe) 7463.5 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 CCSD/aug-cc-pVDZ
ABC
1.76125 0.08058 0.07706

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.487 0.000
C2 1.027 -0.374 0.000
Cl3 -1.646 -0.095 0.000
F4 2.304 0.093 0.000
H5 0.122 1.571 0.000
H6 0.956 -1.463 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.33971.74542.33741.09102.1711
C21.33972.68691.35952.14481.0913
Cl31.74542.68693.95402.42892.9389
F42.33741.35953.95402.63572.0581
H51.09102.14482.42892.63573.1460
H62.17111.09132.93892.05813.1460

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 119.987 C1 C2 H6 126.227
C2 C1 Cl3 120.568 C2 C1 H5 123.546
Cl3 C1 H5 115.886 F4 C2 H6 113.785
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability