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All results from a given calculation for F2CCCF2 (tetrafluoroallene)

using model chemistry: TPSSh/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2D 1A1
Energy calculated at TPSSh/cc-pVDZ
 hartrees
Energy at 0K-513.620181
Energy at 298.15K-513.620497
HF Energy-513.620181
Nuclear repulsion energy282.224499
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 TPSSh/cc-pVDZ
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 1582 1538 0.00      
2 A1 731 711 0.00      
3 A1 387 376 0.00      
4 B1 151 147 0.00      
5 B2 2145 2086 961.66      
6 B2 1039 1010 535.07      
7 B2 571 556 19.68      
8 E 1250 1215 292.92      
8 E 1250 1215 292.92      
9 E 629 611 23.77      
9 E 629 611 23.77      
10 E 542 527 3.06      
10 E 542 527 3.06      
11 E 86 83 0.10      
11 E 86 83 0.10      

Unscaled Zero Point Vibrational Energy (zpe) 5809.6 cm-1
Scaled (by 0.9724) Zero Point Vibrational Energy (zpe) 5649.3 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 TPSSh/cc-pVDZ
ABC
0.19007 0.04091 0.04091

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

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 1.303
C3 0.000 0.000 -1.303
F4 0.000 1.080 2.074
F5 0.000 -1.080 2.074
F6 1.080 0.000 -2.074
F7 -1.080 0.000 -2.074

Atom - Atom Distances (Å)
  C1 C2 C3 F4 F5 F6 F7
C11.30301.30302.33882.33882.33882.3388
C21.30302.60601.32741.32743.54593.5459
C31.30302.60603.54593.54591.32741.3274
F42.33881.32743.54592.16074.42104.4210
F52.33881.32743.54592.16074.42104.4210
F62.33883.54591.32744.42104.42102.1607
F72.33883.54591.32744.42104.42102.1607

picture of tetrafluoroallene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F4 125.525 C1 C2 F5 125.525
C1 C3 F6 125.525 C1 C3 F7 125.525
C2 C1 C3 180.000 F4 C2 F5 108.949
F6 C3 F7 108.949
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.111      
2 C 0.176      
3 C 0.176      
4 F -0.116      
5 F -0.116      
6 F -0.116      
7 F -0.116      


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


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.029 0.000 0.000
y 0.000 3.029 0.000
z 0.000 0.000 8.610


<r2> (average value of r2) Å2
<r2> 239.678
(<r2>)1/2 15.482