return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for F2CCCF2 (tetrafluoroallene)

using model chemistry: TPSSh/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 TPSSh/aug-cc-pVTZ
 hartrees
Energy at 0K-513.792257
Energy at 298.15K-513.792583
HF Energy-513.792257
Nuclear repulsion energy283.495995
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/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 1568 1513 0.00      
2 A1 730 705 0.00      
3 A1 388 374 0.00      
4 B1 153 147 0.00      
5 B2 2113 2040 1030.75      
6 B2 1036 1000 564.67      
7 B2 573 553 20.51      
8 E 1219 1176 284.36      
8 E 1219 1176 284.36      
9 E 625 603 15.85      
9 E 625 603 15.85      
10 E 547 528 1.25      
10 E 547 528 1.25      
11 E 86 83 0.00      
11 E 86 83 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 5756.6 cm-1
Scaled (by 0.9652) Zero Point Vibrational Energy (zpe) 5556.3 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/aug-cc-pVTZ
ABC
0.19103 0.04137 0.04137

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/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 1.294
C3 0.000 0.000 -1.294
F4 0.000 1.078 2.062
F5 0.000 -1.078 2.062
F6 1.078 0.000 -2.062
F7 -1.078 0.000 -2.062

Atom - Atom Distances (Å)
  C1 C2 C3 F4 F5 F6 F7
C11.29411.29412.32682.32682.32682.3268
C21.29412.58811.32341.32343.52503.5250
C31.29412.58813.52503.52501.32341.3234
F42.32681.32343.52502.15524.39704.3970
F52.32681.32343.52502.15524.39704.3970
F62.32683.52501.32344.39704.39702.1552
F72.32683.52501.32344.39704.39702.1552

picture of tetrafluoroallene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F4 125.483 C1 C2 F5 125.483
C1 C3 F6 125.483 C1 C3 F7 125.483
C2 C1 C3 180.000 F4 C2 F5 109.035
F6 C3 F7 109.035
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.193      
2 C 0.426      
3 C 0.426      
4 F -0.261      
5 F -0.261      
6 F -0.261      
7 F -0.261      


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 4.729 0.000 0.000
y 0.000 4.729 0.000
z 0.000 0.000 9.974


<r2> (average value of r2) Å2
<r2> 238.013
(<r2>)1/2 15.428