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All results from a given calculation for C2F4 (Tetrafluoroethylene)

using model chemistry: B3LYP/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1Ag
Energy calculated at B3LYP/6-31G*
 hartrees
Energy at 0K-475.499596
Energy at 298.15K-475.500543
Nuclear repulsion energy243.443758
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 B3LYP/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Ag 1928 1851 0.00      
2 Ag 798 766 0.00      
3 Ag 391 376 0.00      
4 Au 194 186 0.00      
5 B1u 1201 1153 353.02      
6 B1u 544 523 1.64      
7 B2g 481 462 0.00      
8 B2u 1361 1307 377.03      
9 B2u 201 193 4.82      
10 B3g 1367 1313 0.00      
11 B3g 546 524 0.00      
12 B3u 416 399 4.05      

Unscaled Zero Point Vibrational Energy (zpe) 4713.4 cm-1
Scaled (by 0.9603) Zero Point Vibrational Energy (zpe) 4526.3 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 B3LYP/6-31G*
ABC
0.18037 0.10762 0.06740

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G*

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.663
C2 0.000 0.000 -0.663
F3 0.000 1.109 1.387
F4 0.000 -1.109 1.387
F5 0.000 -1.109 -1.387
F6 0.000 1.109 -1.387

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6
C11.32561.32431.32432.33022.3302
C21.32562.33022.33021.32431.3243
F31.32432.33022.21803.55102.7731
F41.32432.33022.21802.77313.5510
F52.33021.32433.55102.77312.2180
F62.33021.32432.77313.55102.2180

picture of Tetrafluoroethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F5 123.131 C1 C2 F6 123.131
C2 C1 F3 123.131 C2 C1 F4 123.131
F3 C1 F4 113.739 F5 C2 F6 113.739
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.465 0.209   0.192
2 C 0.465 0.209   0.192
3 F -0.233 -0.105   -0.096
4 F -0.233 -0.105   -0.096
5 F -0.233 -0.105   -0.096
6 F -0.233 -0.105   -0.096


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


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.530 0.000 0.000
y 0.000 -30.981 0.000
z 0.000 0.000 -31.097
Traceless
 xyz
x 2.510 0.000 0.000
y 0.000 -1.168 0.000
z 0.000 0.000 -1.342
Polar
3z2-r2-2.684
x2-y22.451
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.961 0.000 0.000
y 0.000 3.313 0.000
z 0.000 0.000 4.705


<r2> (average value of r2) Å2
<r2> 137.622
(<r2>)1/2 11.731