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

using model chemistry: B1B95/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/6-31G
 hartrees
Energy at 0K-637.334563
Energy at 298.15K-637.336802
HF Energy-637.334563
Nuclear repulsion energy142.808727
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 B1B95/6-31G
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' 3328 3174 6.55      
2 A' 3288 3136 4.16      
3 A' 1768 1686 35.31      
4 A' 1373 1309 18.52      
5 A' 1270 1211 14.94      
6 A' 1068 1018 79.42      
7 A' 783 747 16.63      
8 A' 638 608 26.15      
9 A' 193 184 1.72      
10 A" 952 908 1.07      
11 A" 784 748 61.04      
12 A" 455 434 9.04      

Unscaled Zero Point Vibrational Energy (zpe) 7949.0 cm-1
Scaled (by 0.9537) Zero Point Vibrational Energy (zpe) 7580.9 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 B1B95/6-31G
ABC
0.52225 0.12056 0.09795

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.896 0.000
C2 1.253 0.475 0.000
Cl3 -1.394 -0.211 0.000
F4 1.591 -0.856 0.000
H5 -0.261 1.941 0.000
H6 2.110 1.131 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.32211.77992.36671.07702.1236
C21.32212.73451.37302.10741.0796
Cl31.77992.73453.05392.43213.7525
F42.36671.37303.05393.35442.0536
H51.07702.10742.43213.35442.5057
H62.12361.07963.75252.05362.5057

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 122.825 C1 C2 H6 123.999
C2 C1 Cl3 122.971 C2 C1 H5 122.579
Cl3 C1 H5 114.450 F4 C2 H6 113.176
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.441      
2 C 0.234      
3 Cl 0.092      
4 F -0.305      
5 H 0.224      
6 H 0.195      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.068 2.632 0.000 2.841
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.632 2.750 0.000
y 2.750 -26.946 0.000
z 0.000 0.000 -30.250
Traceless
 xyz
x -0.034 2.750 0.000
y 2.750 2.494 0.000
z 0.000 0.000 -2.461
Polar
3z2-r2-4.921
x2-y2-1.685
xy2.750
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.565 0.529 0.000
y 0.529 4.135 0.000
z 0.000 0.000 1.663


<r2> (average value of r2) Å2
<r2> 106.195
(<r2>)1/2 10.305