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

using model chemistry: mPW1PW91/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/3-21G*
 hartrees
Energy at 0K-634.322018
Energy at 298.15K-634.324138
HF Energy-634.322018
Nuclear repulsion energy139.497259
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 mPW1PW91/3-21G*
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' 3288 3122 8.96      
2 A' 3261 3096 2.95      
3 A' 1744 1656 17.97      
4 A' 1375 1306 1.36      
5 A' 1281 1217 2.22      
6 A' 1176 1117 105.76      
7 A' 875 831 45.69      
8 A' 451 429 1.69      
9 A' 277 263 6.04      
10 A" 983 934 72.38      
11 A" 874 830 30.14      
12 A" 280 266 1.77      

Unscaled Zero Point Vibrational Energy (zpe) 7933.0 cm-1
Scaled (by 0.9496) Zero Point Vibrational Energy (zpe) 7533.1 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 mPW1PW91/3-21G*
ABC
1.83273 0.08097 0.07754

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.480 0.000
C2 1.011 -0.372 0.000
Cl3 -1.639 -0.072 0.000
F4 2.307 0.053 0.000
H5 0.136 1.551 0.000
H6 0.893 -1.447 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.32281.72982.34661.07922.1242
C21.32282.66751.36402.11291.0814
Cl31.72982.66753.94852.40542.8812
F42.34661.36403.94852.63772.0620
H51.07922.11292.40542.63773.0920
H62.12421.08142.88122.06203.0920

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 121.701 C1 C2 H6 123.833
C2 C1 Cl3 121.242 C2 C1 H5 122.880
Cl3 C1 H5 115.877 F4 C2 H6 114.466
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.435      
2 C 0.132      
3 Cl 0.038      
4 F -0.275      
5 H 0.289      
6 H 0.252      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.161 -0.176 0.000 0.239
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.880 -0.768 0.000
y -0.768 -26.028 0.000
z 0.000 0.000 -30.464
Traceless
 xyz
x -4.634 -0.768 0.000
y -0.768 5.644 0.000
z 0.000 0.000 -1.010
Polar
3z2-r2-2.020
x2-y2-6.852
xy-0.768
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.668 -0.345 0.000
y -0.345 3.772 0.000
z 0.000 0.000 1.682


<r2> (average value of r2) Å2
<r2> 125.981
(<r2>)1/2 11.224