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All results from a given calculation for F2CCCF2 (tetrafluoroallene)

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 D2D 1A1
Energy calculated at B3LYP/6-31G*
 hartrees
Energy at 0K-513.577529
Energy at 298.15K-513.577836
HF Energy-513.577529
Nuclear repulsion energy282.862360
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 A1 1600 1537 0.00      
2 A1 737 708 0.00      
3 A1 390 374 0.00      
4 B1 151 145 0.00      
5 B2 2151 2065 931.24      
6 B2 1059 1017 504.49      
7 B2 574 551 18.56      
8 E 1281 1230 276.19      
8 E 1281 1230 276.19      
9 E 628 603 27.68      
9 E 628 603 27.68      
10 E 550 529 0.72      
10 E 550 529 0.72      
11 E 86 83 0.04      
11 E 86 83 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 5875.9 cm-1
Scaled (by 0.9603) Zero Point Vibrational Energy (zpe) 5642.6 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
0.18968 0.04122 0.04122

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/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 1.299
C3 0.000 0.000 -1.299
F4 0.000 1.081 2.065
F5 0.000 -1.081 2.065
F6 1.081 0.000 -2.065
F7 -1.081 0.000 -2.065

Atom - Atom Distances (Å)
  C1 C2 C3 F4 F5 F6 F7
C11.29861.29862.33102.33102.33102.3310
C21.29862.59721.32551.32553.53323.5332
C31.29862.59723.53323.53321.32551.3255
F42.33101.32553.53322.16294.40414.4041
F52.33101.32553.53322.16294.40414.4041
F62.33103.53321.32554.40414.40412.1629
F72.33103.53321.32554.40414.40412.1629

picture of tetrafluoroallene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F4 125.325 C1 C2 F5 125.325
C1 C3 F6 125.325 C1 C3 F7 125.325
C2 C1 C3 180.000 F4 C2 F5 109.351
F6 C3 F7 109.351
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.095      
2 C 0.385      
3 C 0.385      
4 F -0.216      
5 F -0.216      
6 F -0.216      
7 F -0.216      


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 -35.008 0.000 0.000
y 0.000 -35.008 0.000
z 0.000 0.000 -36.631
Traceless
 xyz
x 0.812 0.000 0.000
y 0.000 0.812 0.000
z 0.000 0.000 -1.624
Polar
3z2-r2-3.247
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 3.015 0.000 0.000
y 0.000 3.015 0.000
z 0.000 0.000 8.550


<r2> (average value of r2) Å2
<r2> 238.055
(<r2>)1/2 15.429