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

using model chemistry: mPW1PW91/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/6-31+G**
 hartrees
Energy at 0K-637.389408
Energy at 298.15K-637.391495
HF Energy-637.389408
Nuclear repulsion energy140.183603
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 mPW1PW91/6-31+G**
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' 3275 3117 3.49      
2 A' 3269 3112 12.11      
3 A' 1736 1652 24.98      
4 A' 1328 1264 0.13      
5 A' 1255 1195 1.71      
6 A' 1165 1108 202.74      
7 A' 898 855 60.50      
8 A' 455 433 1.57      
9 A' 273 259 6.17      
10 A" 927 882 71.79      
11 A" 819 779 10.35      
12 A" 275 262 1.17      

Unscaled Zero Point Vibrational Energy (zpe) 7837.2 cm-1
Scaled (by 0.9518) Zero Point Vibrational Energy (zpe) 7459.5 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 mPW1PW91/6-31+G**
ABC
1.82051 0.08201 0.07847

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.472 0.000
C2 1.021 -0.374 0.000
Cl3 -1.632 -0.086 0.000
F4 2.282 0.088 0.000
H5 0.127 1.546 0.000
H6 0.958 -1.455 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.32611.72502.31371.08182.1522
C21.32612.66881.34272.11851.0826
Cl31.72502.66883.91772.39992.9300
F42.31371.34273.91772.60192.0327
H51.08182.11852.39992.60193.1144
H62.15221.08262.93002.03273.1144

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 120.214 C1 C2 H6 126.333
C2 C1 Cl3 121.471 C2 C1 H5 122.913
Cl3 C1 H5 115.616 F4 C2 H6 113.452
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.234      
2 C 0.053      
3 Cl 0.046      
4 F -0.272      
5 H 0.221      
6 H 0.186      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.019 -0.199 0.000 0.200
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.484 -1.097 0.000
y -1.097 -26.224 0.000
z 0.000 0.000 -30.672
Traceless
 xyz
x -5.036 -1.097 0.000
y -1.097 5.854 0.000
z 0.000 0.000 -0.818
Polar
3z2-r2-1.636
x2-y2-7.260
xy-1.097
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.591 -0.411 0.000
y -0.411 4.708 0.000
z 0.000 0.000 3.390


<r2> (average value of r2) Å2
<r2> 125.030
(<r2>)1/2 11.182