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

using model chemistry: mPW1PW91/aug-cc-pVTZ

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/aug-cc-pVTZ
 hartrees
Energy at 0K-637.487079
Energy at 298.15K-637.489182
HF Energy-637.487079
Nuclear repulsion energy140.808118
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/aug-cc-pVTZ
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' 3245 3109 7.77      
2 A' 3235 3099 7.66      
3 A' 1725 1652 29.24      
4 A' 1327 1271 0.42      
5 A' 1242 1190 0.79      
6 A' 1167 1118 201.15      
7 A' 895 857 53.61      
8 A' 457 438 1.49      
9 A' 270 259 5.57      
10 A" 931 892 57.33      
11 A" 830 796 9.46      
12 A" 276 264 1.03      

Unscaled Zero Point Vibrational Energy (zpe) 7799.5 cm-1
Scaled (by 0.9581) Zero Point Vibrational Energy (zpe) 7472.7 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/aug-cc-pVTZ
ABC
1.83379 0.08275 0.07918

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.475 0.000
C2 1.017 -0.365 0.000
Cl3 -1.624 -0.092 0.000
F4 2.272 0.088 0.000
H5 0.120 1.547 0.000
H6 0.943 -1.443 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.31871.72032.30461.07882.1369
C21.31872.65551.33402.11141.0805
Cl31.72032.65553.90042.39352.9012
F42.30461.33403.90042.59952.0270
H51.07882.11142.39352.59953.1006
H62.13691.08052.90122.02703.1006

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 120.628 C1 C2 H6 125.613
C2 C1 Cl3 121.236 C2 C1 H5 123.129
Cl3 C1 H5 115.635 F4 C2 H6 113.760
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.294      
2 C -0.047      
3 Cl -0.188      
4 F -0.371      
5 H 0.405      
6 H 0.494      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.064 -0.127 0.000 0.142
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.959 -0.967 0.000
y -0.967 -26.308 0.000
z 0.000 0.000 -30.423
Traceless
 xyz
x -4.593 -0.967 0.000
y -0.967 5.383 0.000
z 0.000 0.000 -0.789
Polar
3z2-r2-1.579
x2-y2-6.651
xy-0.967
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.262 -0.357 0.000
y -0.357 5.494 0.000
z 0.000 0.000 4.377


<r2> (average value of r2) Å2
<r2> 123.930
(<r2>)1/2 11.132