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All results from a given calculation for F2CCCF2 (tetrafluoroallene)

using model chemistry: B3LYP/STO-3G

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/STO-3G
 hartrees
Energy at 0K-506.358917
Energy at 298.15K-506.358751
HF Energy-506.358917
Nuclear repulsion energy274.182475
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/STO-3G
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 1609 1436 0.00      
2 A1 718 640 0.00      
3 A1 358 319 0.00      
4 B1 146 130 0.00      
5 B2 2145 1914 744.49      
6 B2 1092 975 154.81      
7 B2 515 460 14.08      
8 E 1358 1212 101.43      
8 E 1358 1212 101.43      
9 E 585 522 17.40      
9 E 585 522 17.40      
10 E 526 469 0.15      
10 E 526 469 0.15      
11 E 94 84 0.43      
11 E 94 84 0.43      

Unscaled Zero Point Vibrational Energy (zpe) 5853.4 cm-1
Scaled (by 0.8924) Zero Point Vibrational Energy (zpe) 5223.6 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/STO-3G
ABC
0.17535 0.03910 0.03910

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/STO-3G

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 1.323
C3 0.000 0.000 -1.323
F4 0.000 1.125 2.119
F5 0.000 -1.125 2.119
F6 1.125 0.000 -2.119
F7 -1.125 0.000 -2.119

Atom - Atom Distances (Å)
  C1 C2 C3 F4 F5 F6 F7
C11.32271.32272.39862.39862.39862.3986
C21.32272.64541.37781.37783.62043.6204
C31.32272.64543.62043.62041.37781.3778
F42.39861.37783.62042.24954.52584.5258
F52.39861.37783.62042.24954.52584.5258
F62.39863.62041.37784.52584.52582.2495
F72.39863.62041.37784.52584.52582.2495

picture of tetrafluoroallene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F4 125.282 C1 C2 F5 125.282
C1 C3 F6 125.282 C1 C3 F7 125.282
C2 C1 C3 180.000 F4 C2 F5 109.435
F6 C3 F7 109.435
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.145      
2 C 0.178      
3 C 0.178      
4 F -0.053      
5 F -0.053      
6 F -0.053      
7 F -0.053      


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 -31.261 0.000 0.000
y 0.000 -31.261 0.000
z 0.000 0.000 -30.503
Traceless
 xyz
x -0.379 0.000 0.000
y 0.000 -0.379 0.000
z 0.000 0.000 0.759
Polar
3z2-r21.517
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 1.587 0.000 0.000
y 0.000 1.587 0.000
z 0.000 0.000 7.253


<r2> (average value of r2) Å2
<r2> 247.480
(<r2>)1/2 15.731