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All results from a given calculation for F2CCCF2 (tetrafluoroallene)

using model chemistry: M06-2X/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2D 1A1
Energy calculated at M06-2X/6-31G
 hartrees
Energy at 0K-513.275383
Energy at 298.15K-513.275826
HF Energy-513.275383
Nuclear repulsion energy279.217812
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 M06-2X/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 A1 1621 1621 0.00      
2 A1 722 722 0.00      
3 A1 378 378 0.00      
4 B1 162 162 0.00      
5 B2 2245 2245 857.17      
6 B2 1044 1044 395.20      
7 B2 550 550 26.00      
8 E 1286 1286 251.99      
8 E 1286 1286 251.99      
9 E 675 675 39.43      
9 E 675 675 39.43      
10 E 547 547 0.08      
10 E 547 547 0.08      
11 E 112 112 0.56      
11 E 112 112 0.56      

Unscaled Zero Point Vibrational Energy (zpe) 5981.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 5981.8 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 M06-2X/6-31G
ABC
0.18194 0.04057 0.04057

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-31G

Point Group is D2d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.000
C2 0.000 0.000 1.294
C3 0.000 0.000 -1.294
F4 0.000 1.104 2.081
F5 0.000 -1.104 2.081
F6 1.104 0.000 -2.081
F7 -1.104 0.000 -2.081

Atom - Atom Distances (Å)
  C1 C2 C3 F4 F5 F6 F7
C11.29371.29372.35562.35562.35562.3556
C21.29372.58731.35601.35603.55053.5505
C31.29372.58733.55053.55051.35601.3560
F42.35561.35603.55052.20844.44494.4449
F52.35561.35603.55052.20844.44494.4449
F62.35563.55051.35604.44494.44492.2084
F72.35563.55051.35604.44494.44492.2084

picture of tetrafluoroallene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F4 125.483 C1 C2 F5 125.483
C1 C3 F6 125.483 C1 C3 F7 125.483
C2 C1 C3 180.000 F4 C2 F5 109.034
F6 C3 F7 109.034
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.176      
2 C 0.454      
3 C 0.454      
4 F -0.271      
5 F -0.271      
6 F -0.271      
7 F -0.271      


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        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.681 0.000 0.000
y 0.000 -36.681 0.000
z 0.000 0.000 -41.308
Traceless
 xyz
x 2.314 0.000 0.000
y 0.000 2.314 0.000
z 0.000 0.000 -4.627
Polar
3z2-r2-9.254
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.580 0.000 0.000
y 0.000 2.580 0.000
z 0.000 0.000 8.159


<r2> (average value of r2) Å2
<r2> 243.714
(<r2>)1/2 15.611