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

using model chemistry: CBS-Q

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CBS-Q
 hartrees
Energy at 0K-636.735749
Energy at 298.15K-636.730764
HF Energy-635.774692
Nuclear repulsion energy145.984834
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 CBS-Q
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' 3440 3440 10.84      
2 A' 3410 3410 3.36      
3 A' 1909 1909 73.67      
4 A' 1487 1487 34.60      
5 A' 1371 1371 42.80      
6 A' 1174 1174 118.27      
7 A' 876 876 20.22      
8 A' 708 708 32.00      
9 A' 215 215 1.97      
10 A" 1039 1039 0.23      
11 A" 856 856 37.09      
12 A" 502 502 10.70      

Unscaled Zero Point Vibrational Energy (zpe) 8493.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8493.6 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 CBS-Q
ABC
0.54943 0.12278 0.10036

See section I.F.4 to change rotational constant units
Geometric Data calculated at CBS-Q

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.859 0.000
C2 1.238 0.427 0.000
Cl3 -1.377 -0.182 0.000
F4 1.568 -0.847 0.000
H5 -0.217 1.910 0.000
H6 2.088 1.084 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.31161.72652.31751.07282.1004
C21.31162.68551.31612.07791.0746
Cl31.72652.68553.01952.39183.6896
F42.31751.31613.01953.28462.0004
H51.07282.07792.39183.28462.4489
H62.10041.07463.68962.00042.4489

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 123.758 C1 C2 H6 123.033
C2 C1 Cl3 123.666 C2 C1 H5 120.927
Cl3 C1 H5 115.407 F4 C2 H6 113.209
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability