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All results from a given calculation for F2CCCF2 (tetrafluoroallene)

using model chemistry: B1B95/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2D 1A1
Energy calculated at B1B95/Def2TZVPP
 hartrees
Energy at 0K-513.692388
Energy at 298.15K-513.692835
HF Energy-513.692388
Nuclear repulsion energy285.603517
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 B1B95/Def2TZVPP
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 1613 0.00      
2 A1 753 753 0.00      
3 A1 397 397 0.00      
4 B1 158 158 0.00      
5 B2 2156 2156 1062.62      
6 B2 1077 1077 572.55      
7 B2 589 589 21.74      
8 E 1284 1284 294.07      
8 E 1284 1284 294.07      
9 E 659 659 20.87      
9 E 659 659 20.87      
10 E 560 560 1.60      
10 E 560 560 1.60      
11 E 94 94 0.02      
11 E 94 94 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 5968.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 5968.2 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 B1B95/Def2TZVPP
ABC
0.19434 0.04190 0.04190

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/Def2TZVPP

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 1.290
C3 0.000 0.000 -1.290
F4 0.000 1.068 2.049
F5 0.000 -1.068 2.049
F6 1.068 0.000 -2.049
F7 -1.068 0.000 -2.049

Atom - Atom Distances (Å)
  C1 C2 C3 F4 F5 F6 F7
C11.29041.29042.31062.31062.31062.3106
C21.29042.58071.31021.31023.50593.5059
C31.29042.58073.50593.50591.31021.3102
F42.31061.31023.50592.13684.36724.3672
F52.31061.31023.50592.13684.36724.3672
F62.31063.50591.31024.36724.36722.1368
F72.31063.50591.31024.36724.36722.1368

picture of tetrafluoroallene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F4 125.368 C1 C2 F5 125.368
C1 C3 F6 125.368 C1 C3 F7 125.368
C2 C1 C3 180.000 F4 C2 F5 109.263
F6 C3 F7 109.263
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.264      
2 C 0.407      
3 C 0.407      
4 F -0.137      
5 F -0.137      
6 F -0.137      
7 F -0.137      


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 -35.940 0.000 0.000
y 0.000 -35.940 0.000
z 0.000 0.000 -37.514
Traceless
 xyz
x 0.787 0.000 0.000
y 0.000 0.787 0.000
z 0.000 0.000 -1.574
Polar
3z2-r2-3.149
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 3.979 0.000 0.000
y 0.000 3.979 0.000
z 0.000 0.000 9.114


<r2> (average value of r2) Å2
<r2> 234.950
(<r2>)1/2 15.328