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All results from a given calculation for F2CCCF2 (tetrafluoroallene)

using model chemistry: B2PLYP=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 B2PLYP=FULL/6-311+G(3df,2p)
 hartrees
Energy at 0K-513.531332
Energy at 298.15K-513.531709
HF Energy-513.016238
Nuclear repulsion energy284.657988
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 B2PLYP=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 1583 1583 0.00      
2 A1 740 740 0.00      
3 A1 395 395 0.00      
4 B1 156 156 0.00      
5 B2 2125 2125 1050.23      
6 B2 1052 1052 575.16      
7 B2 586 586 21.18      
8 E 1247 1247 283.18      
8 E 1247 1247 283.18      
9 E 648 648 18.68      
9 E 648 648 18.68      
10 E 558 558 1.05      
10 E 558 558 1.05      
11 E 82 82 0.00      
11 E 82 82 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 5853.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 5853.3 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 B2PLYP=FULL/6-311+G(3df,2p)
ABC
0.19279 0.04166 0.04166

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=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 1.293
C3 0.000 0.000 -1.293
F4 0.000 1.073 2.055
F5 0.000 -1.073 2.055
F6 1.073 0.000 -2.055
F7 -1.073 0.000 -2.055

Atom - Atom Distances (Å)
  C1 C2 C3 F4 F5 F6 F7
C11.29301.29302.31772.31772.31772.3177
C21.29302.58601.31551.31553.51523.5152
C31.29302.58603.51523.51521.31551.3155
F42.31771.31553.51522.14534.38024.3802
F52.31771.31553.51522.14534.38024.3802
F62.31773.51521.31554.38024.38022.1453
F72.31773.51521.31554.38024.38022.1453

picture of tetrafluoroallene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F4 125.373 C1 C2 F5 125.373
C1 C3 F6 125.373 C1 C3 F7 125.373
C2 C1 C3 180.000 F4 C2 F5 109.253
F6 C3 F7 109.253
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability