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All results from a given calculation for F2CCCF2 (tetrafluoroallene)

using model chemistry: wB97X-D/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2D 1A1
Energy calculated at wB97X-D/TZVP
 hartrees
Energy at 0K-513.644006
Energy at 298.15K-513.644485
HF Energy-513.644006
Nuclear repulsion energy 
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 wB97X-D/TZVP
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 1613 1541 0.00      
2 A1 753 719 0.00      
3 A1 402 384 0.00      
4 B1 160 153 0.00      
5 B2 2167 2069 1089.01      
6 B2 1071 1023 608.13      
7 B2 597 570 20.08      
8 E 1280 1222 338.82      
8 E 1280 1222 338.82      
9 E 671 641 31.47      
9 E 671 641 31.47      
10 E 567 542 1.37      
10 E 567 542 1.37      
11 E 92 88 0.08      
11 E 92 88 0.08      

Unscaled Zero Point Vibrational Energy (zpe) 5991.0 cm-1
Scaled (by 0.955) Zero Point Vibrational Energy (zpe) 5721.4 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 wB97X-D/TZVP
ABC
0.19276 0.04190 0.04190

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/TZVP

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 1.291
C3 0.000 0.000 -1.291
F4 0.000 1.073 2.048
F5 0.000 -1.073 2.048
F6 1.073 0.000 -2.048
F7 -1.073 0.000 -2.048

Atom - Atom Distances (Å)
  C1 C2 C3 F4 F5 F6 F7
C11.29071.29072.31162.31162.31162.3116
C21.29072.58131.31291.31293.50633.5063
C31.29072.58133.50633.50631.31291.3129
F42.31161.31293.50632.14554.36714.3671
F52.31161.31293.50632.14554.36714.3671
F62.31163.50631.31294.36714.36712.1455
F72.31163.50631.31294.36714.36712.1455

picture of tetrafluoroallene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F4 125.205 C1 C2 F5 125.205
C1 C3 F6 125.205 C1 C3 F7 125.205
C2 C1 C3 180.000 F4 C2 F5 109.590
F6 C3 F7 109.590
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.271      
2 C 0.403      
3 C 0.403      
4 F -0.134      
5 F -0.134      
6 F -0.134      
7 F -0.134      


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 -36.298 0.000 0.000
y 0.000 -36.298 0.000
z 0.000 0.000 -38.217
Traceless
 xyz
x 0.960 0.000 0.000
y 0.000 0.960 0.000
z 0.000 0.000 -1.919
Polar
3z2-r2-3.838
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 3.620 0.000 0.000
y 0.000 3.620 0.000
z 0.000 0.000 8.911


<r2> (average value of r2) Å2
<r2> 235.418
(<r2>)1/2 15.343