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All results from a given calculation for F2CCCF2 (tetrafluoroallene)

using model chemistry: MP3/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2D 1A1
Energy calculated at MP3/6-311+G(3df,2p)
 hartrees
Energy at 0K-512.883233
Energy at 298.15K-512.883702
HF Energy-511.441557
Nuclear repulsion energy285.893810
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 MP3/6-311+G(3df,2p)
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 1632 1632 0.00      
2 A1 758 758 0.00      
3 A1 404 404 0.00      
4 B1 164 164 0.00      
5 B2 2172 2172 956.09      
6 B2 1098 1098 536.36      
7 B2 600 600 20.81      
8 E 1335 1335 275.62      
8 E 1335 1335 275.62      
9 E 655 655 20.21      
9 E 655 655 20.21      
10 E 571 571 1.04      
10 E 571 571 1.04      
11 E 85 85 0.00      
11 E 85 85 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 6060.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 6060.8 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 MP3/6-311+G(3df,2p)
ABC
0.19462 0.04196 0.04196

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/6-311+G(3df,2p)

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 1.295
C3 0.000 0.000 -1.295
F4 0.000 1.068 2.046
F5 0.000 -1.068 2.046
F6 1.068 0.000 -2.046
F7 -1.068 0.000 -2.046

Atom - Atom Distances (Å)
  C1 C2 C3 F4 F5 F6 F7
C11.29511.29512.30812.30812.30812.3081
C21.29512.59021.30541.30543.50783.5078
C31.29512.59023.50783.50781.30541.3054
F42.30811.30543.50782.13524.36234.3623
F52.30811.30543.50782.13524.36234.3623
F62.30813.50781.30544.36234.36232.1352
F72.30813.50781.30544.36234.36232.1352

picture of tetrafluoroallene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F4 125.133 C1 C2 F5 125.133
C1 C3 F6 125.133 C1 C3 F7 125.133
C2 C1 C3 180.000 F4 C2 F5 109.734
F6 C3 F7 109.734
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability