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

using model chemistry: QCISD(T)/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 QCISD(T)/aug-cc-pVDZ
 hartrees
Energy at 0K-636.498998
Energy at 298.15K-636.501009
HF Energy-635.822155
Nuclear repulsion energy138.305609
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 QCISD(T)/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' 3242 3170        
2 A' 3233 3162        
3 A' 1675 1638        
4 A' 1301 1272        
5 A' 1220 1193        
6 A' 1104 1079        
7 A' 868 849        
8 A' 440 430        
9 A' 267 261        
10 A" 882 863        
11 A" 753 736        
12 A" 263 257        

Unscaled Zero Point Vibrational Energy (zpe) 7623.0 cm-1
Scaled (by 0.9778) Zero Point Vibrational Energy (zpe) 7453.8 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 QCISD(T)/aug-cc-pVDZ
ABC
1.74287 0.08010 0.07658

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.490 0.000
C2 1.028 -0.379 0.000
Cl3 -1.650 -0.092 0.000
F4 2.312 0.087 0.000
H5 0.124 1.576 0.000
H6 0.956 -1.470 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.34641.74992.34661.09312.1807
C21.34642.69411.36552.15421.0932
Cl31.74992.69413.96622.43502.9486
F42.34661.36553.96622.64642.0645
H51.09312.15422.43502.64643.1576
H62.18071.09322.94862.06453.1576

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 119.831 C1 C2 H6 126.421
C2 C1 Cl3 120.387 C2 C1 H5 123.694
Cl3 C1 H5 115.919 F4 C2 H6 113.748
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability