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

using model chemistry: BLYP/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at BLYP/6-31G(2df,p)
 hartrees
Energy at 0K-637.365205
Energy at 298.15K-637.367184
HF Energy-637.365205
Nuclear repulsion energy138.831844
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 BLYP/6-31G(2df,p)
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' 3155 3138 8.89      
2 A' 3129 3112 5.99      
3 A' 1637 1628 22.50      
4 A' 1297 1290 0.76      
5 A' 1191 1185 2.30      
6 A' 1124 1118 151.45      
7 A' 832 827 52.97      
8 A' 432 430 1.37      
9 A' 260 259 5.04      
10 A" 901 896 38.55      
11 A" 761 757 9.13      
12 A" 262 261 1.08      

Unscaled Zero Point Vibrational Energy (zpe) 7491.1 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 7449.9 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 BLYP/6-31G(2df,p)
ABC
1.78947 0.08032 0.07687

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.486 0.000
C2 1.038 -0.357 0.000
Cl3 -1.649 -0.107 0.000
F4 2.304 0.102 0.000
H5 0.101 1.569 0.000
H6 0.968 -1.446 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.33691.75212.33541.08772.1602
C21.33692.69851.34612.14161.0911
Cl31.75212.69853.95802.42252.9390
F42.33541.34613.95802.64662.0444
H51.08772.14162.42252.64663.1365
H62.16021.09112.93902.04443.1365

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 121.013 C1 C2 H6 125.362
C2 C1 Cl3 121.168 C2 C1 H5 123.749
Cl3 C1 H5 115.083 F4 C2 H6 113.625
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.119      
2 C 0.040      
3 Cl -0.126      
4 F -0.042      
5 H 0.132      
6 H 0.114      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.396 -0.054 0.000 0.400
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.822 -0.802 0.000
y -0.802 -26.308 0.000
z 0.000 0.000 -29.868
Traceless
 xyz
x -3.734 -0.802 0.000
y -0.802 4.537 0.000
z 0.000 0.000 -0.803
Polar
3z2-r2-1.606
x2-y2-5.514
xy-0.802
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.728 -0.283 0.000
y -0.283 4.703 0.000
z 0.000 0.000 2.970


<r2> (average value of r2) Å2
<r2> 126.727
(<r2>)1/2 11.257