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All results from a given calculation for F2CCCF2 (tetrafluoroallene)

using model chemistry: CCSD=FULL/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 CCSD=FULL/6-311+G(3df,2p)
 hartrees
Energy at 0K-513.057161
Energy at 298.15K-513.057635
HF Energy-511.441523
Nuclear repulsion energy285.878551
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 CCSD=FULL/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 1626 1626 0.00      
2 A1 754 754 0.00      
3 A1 402 402 0.00      
4 B1 164 164 0.00      
5 B2 2176 2176 960.00      
6 B2 1089 1089 539.62      
7 B2 598 598 20.59      
8 E 1325 1325 273.83      
8 E 1325 1325 273.83      
9 E 660 660 20.01      
9 E 660 660 20.01      
10 E 569 569 1.07      
10 E 569 569 1.07      
11 E 88 88 0.01      
11 E 88 88 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 6045.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 6045.9 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 CCSD=FULL/6-311+G(3df,2p)
ABC
0.19433 0.04199 0.04199

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD=FULL/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 1.294
C3 0.000 0.000 -1.294
F4 0.000 1.068 2.045
F5 0.000 -1.068 2.045
F6 1.068 0.000 -2.045
F7 -1.068 0.000 -2.045

Atom - Atom Distances (Å)
  C1 C2 C3 F4 F5 F6 F7
C11.29351.29352.30772.30772.30772.3077
C21.29352.58701.30651.30653.50573.5057
C31.29352.58703.50573.50571.30651.3065
F42.30771.30653.50572.13684.36104.3610
F52.30771.30653.50572.13684.36104.3610
F62.30773.50571.30654.36104.36102.1368
F72.30773.50571.30654.36104.36102.1368

picture of tetrafluoroallene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F4 125.136 C1 C2 F5 125.136
C1 C3 F6 125.136 C1 C3 F7 125.136
C2 C1 C3 180.000 F4 C2 F5 109.727
F6 C3 F7 109.727
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability