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All results from a given calculation for F2CCCF2 (tetrafluoroallene)

using model chemistry: mPW1PW91/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2D 1A1
Energy calculated at mPW1PW91/STO-3G
 hartrees
Energy at 0K-506.331488
Energy at 298.15K-506.331423
HF Energy-506.331488
Nuclear repulsion energy275.653883
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 mPW1PW91/STO-3G
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 1649 1450 0.00      
2 A1 734 645 0.00      
3 A1 365 321 0.00      
4 B1 150 132 0.00      
5 B2 2193 1927 776.53      
6 B2 1118 982 158.84      
7 B2 526 462 15.03      
8 E 1395 1226 105.03      
8 E 1395 1226 105.03      
9 E 606 533 19.11      
9 E 606 533 19.11      
10 E 537 472 0.19      
10 E 537 472 0.19      
11 E 99 87 0.37      
11 E 99 87 0.37      

Unscaled Zero Point Vibrational Energy (zpe) 6004.7 cm-1
Scaled (by 0.8789) Zero Point Vibrational Energy (zpe) 5277.5 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 mPW1PW91/STO-3G
ABC
0.17727 0.03951 0.03951

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/STO-3G

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 1.317
C3 0.000 0.000 -1.317
F4 0.000 1.119 2.107
F5 0.000 -1.119 2.107
F6 1.119 0.000 -2.107
F7 -1.119 0.000 -2.107

Atom - Atom Distances (Å)
  C1 C2 C3 F4 F5 F6 F7
C11.31741.31742.38592.38592.38592.3859
C21.31742.63471.36951.36953.60283.6028
C31.31742.63473.60283.60281.36951.3695
F42.38591.36953.60282.23734.50184.5018
F52.38591.36953.60282.23734.50184.5018
F62.38593.60281.36954.50184.50182.2373
F72.38593.60281.36954.50184.50182.2373

picture of tetrafluoroallene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F4 125.230 C1 C2 F5 125.230
C1 C3 F6 125.230 C1 C3 F7 125.230
C2 C1 C3 180.000 F4 C2 F5 109.540
F6 C3 F7 109.540
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.148      
2 C 0.187      
3 C 0.187      
4 F -0.057      
5 F -0.057      
6 F -0.057      
7 F -0.057      


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
Primitive
 xyz
x -31.298 0.000 0.000
y 0.000 -31.298 0.000
z 0.000 0.000 -30.636
Traceless
 xyz
x -0.331 0.000 0.000
y 0.000 -0.331 0.000
z 0.000 0.000 0.662
Polar
3z2-r21.325
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.544 0.000 0.000
y 0.000 1.544 0.000
z 0.000 0.000 7.084


<r2> (average value of r2) Å2
<r2> 245.159
(<r2>)1/2 15.658