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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-513.457804
Energy at 298.15K-513.458029
HF Energy-513.457804
Nuclear repulsion energy277.550236
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 1563 1503 0.00      
2 A1 695 668 0.00      
3 A1 368 354 0.00      
4 B1 146 140 0.00      
5 B2 2179 2096 834.58      
6 B2 995 957 393.98      
7 B2 533 513 23.24      
8 E 1206 1160 246.76      
8 E 1206 1160 246.76      
9 E 633 609 28.72      
9 E 633 609 28.72      
10 E 527 507 0.22      
10 E 527 507 0.22      
11 E 94 91 0.49      
11 E 94 91 0.49      

Unscaled Zero Point Vibrational Energy (zpe) 5699.1 cm-1
Scaled (by 0.962) Zero Point Vibrational Energy (zpe) 5482.5 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
0.17956 0.04014 0.04014

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 1.296
C3 0.000 0.000 -1.296
F4 0.000 1.111 2.092
F5 0.000 -1.111 2.092
F6 1.111 0.000 -2.092
F7 -1.111 0.000 -2.092

Atom - Atom Distances (Å)
  C1 C2 C3 F4 F5 F6 F7
C11.29631.29632.36942.36942.36942.3694
C21.29632.59271.36721.36723.56643.5664
C31.29632.59273.56643.56641.36721.3672
F42.36941.36723.56642.22304.47044.4704
F52.36941.36723.56642.22304.47044.4704
F62.36943.56641.36724.47044.47042.2230
F72.36943.56641.36724.47044.47042.2230

picture of tetrafluoroallene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F4 125.613 C1 C2 F5 125.613
C1 C3 F6 125.613 C1 C3 F7 125.613
C2 C1 C3 180.000 F4 C2 F5 108.775
F6 C3 F7 108.775
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 0.223      
2 C 0.383      
3 C 0.383      
4 F -0.247      
5 F -0.247      
6 F -0.247      
7 F -0.247      


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 -36.299 0.000 0.000
y 0.000 -36.299 0.000
z 0.000 0.000 -40.823
Traceless
 xyz
x 2.262 0.000 0.000
y 0.000 2.262 0.000
z 0.000 0.000 -4.525
Polar
3z2-r2-9.049
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 2.697 0.000 0.000
y 0.000 2.697 0.000
z 0.000 0.000 8.580


<r2> (average value of r2) Å2
<r2> 245.877
(<r2>)1/2 15.680