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All results from a given calculation for F2CCCF2 (tetrafluoroallene)

using model chemistry: BLYP/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2D 1A1
Energy calculated at BLYP/cc-pVTZ
 hartrees
Energy at 0K-513.744304
Energy at 298.15K-513.744498
HF Energy-513.744304
Nuclear repulsion energy280.771842
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 BLYP/cc-pVTZ
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 1507 1502 0.00      
2 A1 702 700 0.00      
3 A1 377 376 0.00      
4 B1 145 145 0.00      
5 B2 2049 2043 928.18      
6 B2 987 984 526.02      
7 B2 556 555 16.47      
8 E 1145 1142 264.49      
8 E 1145 1142 264.49      
9 E 602 600 14.65      
9 E 602 600 14.65      
10 E 529 527 0.60      
10 E 529 527 0.60      
11 E 83 83 0.00      
11 E 83 83 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 5521.1 cm-1
Scaled (by 0.997) Zero Point Vibrational Energy (zpe) 5504.6 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 BLYP/cc-pVTZ
ABC
0.18644 0.04070 0.04070

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/cc-pVTZ

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 1.301
C3 0.000 0.000 -1.301
F4 0.000 1.091 2.079
F5 0.000 -1.091 2.079
F6 1.091 0.000 -2.079
F7 -1.091 0.000 -2.079

Atom - Atom Distances (Å)
  C1 C2 C3 F4 F5 F6 F7
C11.30091.30092.34752.34752.34752.3475
C21.30092.60181.33971.33973.55123.5512
C31.30092.60183.55123.55121.33971.3397
F42.34751.33973.55122.18164.43434.4343
F52.34751.33973.55122.18164.43434.4343
F62.34753.55121.33974.43434.43432.1816
F72.34753.55121.33974.43434.43432.1816

picture of tetrafluoroallene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F4 125.490 C1 C2 F5 125.490
C1 C3 F6 125.490 C1 C3 F7 125.490
C2 C1 C3 180.000 F4 C2 F5 109.019
F6 C3 F7 109.019
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.232      
2 C 0.351      
3 C 0.351      
4 F -0.118      
5 F -0.118      
6 F -0.118      
7 F -0.118      


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 -36.195 0.000 0.000
y 0.000 -36.195 0.000
z 0.000 0.000 -38.042
Traceless
 xyz
x 0.923 0.000 0.000
y 0.000 0.923 0.000
z 0.000 0.000 -1.847
Polar
3z2-r2-3.693
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 3.933 0.000 0.000
y 0.000 3.933 0.000
z 0.000 0.000 9.616


<r2> (average value of r2) Å2
<r2> 241.680
(<r2>)1/2 15.546