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All results from a given calculation for CHFCHClz ((Z)-1-Chloro-2-fluoroethene)

using model chemistry: CCSD(T)/6-31G*

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(T)/6-31G*
 hartrees
Energy at 0K-636.377221
Energy at 298.15K-636.379445
HF Energy-635.776023
Nuclear repulsion energy144.500115
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(T)/6-31G*
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' 3261 3138        
2 A' 3233 3111        
3 A' 1728 1663        
4 A' 1392 1340        
5 A' 1279 1231        
6 A' 1098 1056        
7 A' 828 796        
8 A' 662 637        
9 A' 199 192        
10 A" 852 820        
11 A" 756 728        
12 A" 441 425        

Unscaled Zero Point Vibrational Energy (zpe) 7865.2 cm-1
Scaled (by 0.9621) Zero Point Vibrational Energy (zpe) 7567.1 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 CCSD(T)/6-31G*
ABC
0.54111 0.12288 0.10014

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.877 0.000
C2 1.257 0.423 0.000
Cl3 -1.381 -0.163 0.000
F4 1.556 -0.892 0.000
H5 -0.208 1.942 0.000
H6 2.131 1.069 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.33661.72842.35551.08532.1400
C21.33662.70201.34812.11041.0872
Cl31.72842.70203.02532.40993.7219
F42.35551.34813.02533.33772.0438
H51.08532.11042.40993.33772.4966
H62.14001.08723.72192.04382.4966

picture of (Z)-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 122.650 C1 C2 H6 123.666
C2 C1 Cl3 123.155 C2 C1 H5 120.884
Cl3 C1 H5 115.961 F4 C2 H6 113.684
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability