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All results from a given calculation for F2CCCF2 (tetrafluoroallene)

using model chemistry: PBEPBEultrafine/aug-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 PBEPBEultrafine/aug-cc-pVTZ
 hartrees
Energy at 0K-513.303297
Energy at 298.15K-513.303522
HF Energy-513.303297
Nuclear repulsion energy281.794610
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 PBEPBEultrafine/aug-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 1525 1508 0.00      
2 A1 714 706 0.00      
3 A1 380 375 0.00      
4 B1 147 145 0.00      
5 B2 2065 2042 980.73      
6 B2 1006 995 546.07      
7 B2 561 555 19.10      
8 E 1171 1158 278.46      
8 E 1171 1158 278.46      
9 E 608 601 13.25      
9 E 608 601 13.25      
10 E 530 525 1.08      
10 E 530 525 1.08      
11 E 83 82 0.01      
11 E 83 82 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 5591.0 cm-1
Scaled (by 0.9888) Zero Point Vibrational Energy (zpe) 5528.4 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 PBEPBEultrafine/aug-cc-pVTZ
ABC
0.18846 0.04091 0.04091

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/aug-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 1.085 2.074
F5 0.000 -1.085 2.074
F6 1.085 0.000 -2.074
F7 -1.085 0.000 -2.074

Atom - Atom Distances (Å)
  C1 C2 C3 F4 F5 F6 F7
C11.30101.30102.34032.34032.34032.3403
C21.30102.60201.33191.33193.54473.5447
C31.30102.60203.54473.54471.33191.3319
F42.34031.33193.54472.16984.42194.4219
F52.34031.33193.54472.16984.42194.4219
F62.34033.54471.33194.42194.42192.1698
F72.34033.54471.33194.42194.42192.1698

picture of tetrafluoroallene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F4 125.456 C1 C2 F5 125.456
C1 C3 F6 125.456 C1 C3 F7 125.456
C2 C1 C3 180.000 F4 C2 F5 109.087
F6 C3 F7 109.087
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.233      
2 C 0.367      
3 C 0.367      
4 F -0.242      
5 F -0.242      
6 F -0.242      
7 F -0.242      


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 -36.526 0.000 0.000
y 0.000 -36.526 0.000
z 0.000 0.000 -38.085
Traceless
 xyz
x 0.780 0.000 0.000
y 0.000 0.780 0.000
z 0.000 0.000 -1.559
Polar
3z2-r2-3.119
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 4.946 0.000 0.000
y 0.000 4.946 0.000
z 0.000 0.000 10.375


<r2> (average value of r2) Å2
<r2> 240.617
(<r2>)1/2 15.512