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

using model chemistry: QCISD/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/cc-pVDZ
 hartrees
Energy at 0K-636.426562
Energy at 298.15K-636.428646
HF Energy-635.809494
Nuclear repulsion energy139.151843
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/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3265 3132 4.22      
2 A' 3256 3124 7.48      
3 A' 1739 1668 24.25      
4 A' 1325 1272 0.04      
5 A' 1237 1187 4.25      
6 A' 1170 1122 165.00      
7 A' 894 858 44.93      
8 A' 452 434 1.90      
9 A' 271 260 6.44      
10 A" 933 895 48.13      
11 A" 801 768 12.43      
12 A" 275 264 1.92      

Unscaled Zero Point Vibrational Energy (zpe) 7808.1 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 7491.1 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 QCISD/cc-pVDZ
ABC
1.78111 0.08086 0.07735

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.485 0.000
C2 1.030 -0.372 0.000
Cl3 -1.644 -0.087 0.000
F4 2.298 0.077 0.000
H5 0.136 1.570 0.000
H6 0.941 -1.462 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.34011.74022.33421.09302.1627
C21.34012.68891.34502.13781.0941
Cl31.74022.68893.94512.43102.9275
F42.33421.34503.94512.62792.0522
H51.09302.13782.43102.62793.1371
H62.16271.09412.92752.05223.1371

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 120.757 C1 C2 H6 125.065
C2 C1 Cl3 121.052 C2 C1 H5 122.631
Cl3 C1 H5 116.317 F4 C2 H6 114.178
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability