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All results from a given calculation for C2HF3 (Trifluoroethylene)

using model chemistry: HF/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 HF/6-31G(2df,p)
 hartrees
Energy at 0K-374.598466
Energy at 298.15K-374.600540
Nuclear repulsion energy 
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 HF/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' 3422 3098 9.04      
2 A' 2031 1839 98.92      
3 A' 1528 1384 150.26      
4 A' 1414 1281 191.93      
5 A' 1288 1166 175.82      
6 A' 1037 939 69.90      
7 A' 688 623 3.70      
8 A' 534 484 2.25      
9 A' 251 228 5.41      
10 A" 920 833 31.10      
11 A" 691 626 1.12      
12 A" 352 319 6.40      

Unscaled Zero Point Vibrational Energy (zpe) 7078.1 cm-1
Scaled (by 0.9055) Zero Point Vibrational Energy (zpe) 6409.2 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 HF/6-31G(2df,p)
ABC
0.36955 0.13259 0.09758

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.426 0.000
C2 -0.686 -0.683 0.000
F3 1.286 0.508 0.000
F4 -0.551 1.595 0.000
F5 -0.082 -1.854 0.000
H6 -1.755 -0.702 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 H6
C11.30361.28831.29262.28102.0856
C21.30362.30332.28171.31741.0690
F31.28832.30332.13432.72953.2721
F41.29262.28172.13433.48042.5925
F52.28101.31742.72953.48042.0310
H62.08561.06903.27212.59252.0310

picture of Trifluoroethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F5 120.989 C1 C2 H6 122.743
C2 C1 F3 125.416 C2 C1 F4 123.009
F3 C1 F4 111.575 F5 C2 H6 116.269
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.460      
2 C -0.124      
3 F -0.146      
4 F -0.168      
5 F -0.202      
6 H 0.180      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.279 0.254 0.000 1.304
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.039 1.239 0.000
y 1.239 -28.598 0.000
z 0.000 0.000 -25.120
Traceless
 xyz
x 2.820 1.239 0.000
y 1.239 -4.018 0.000
z 0.000 0.000 1.198
Polar
3z2-r22.396
x2-y24.559
xy1.239
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.503 0.641 0.000
y 0.641 4.284 0.000
z 0.000 0.000 2.191


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000