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 CHF3 (Methane, trifluoro-)

using model chemistry: PBE1PBE/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at PBE1PBE/6-31G
 hartrees
Energy at 0K-337.818995
Energy at 298.15K 
HF Energy-337.818995
Nuclear repulsion energy129.995819
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 PBE1PBE/6-31G
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 3233 3090 31.93 62.60 0.21 0.35
2 A1 1097 1049 103.79 5.56 0.00 0.00
3 A1 651 622 21.50 2.44 0.51 0.67
4 E 1398 1337 62.75 4.94 0.75 0.86
4 E 1398 1337 62.75 4.94 0.75 0.86
5 E 1162 1110 225.96 4.22 0.75 0.86
5 E 1162 1110 225.96 4.22 0.75 0.86
6 E 463 443 6.35 1.95 0.75 0.86
6 E 463 443 6.35 1.95 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 5513.2 cm-1
Scaled (by 0.9559) Zero Point Vibrational Energy (zpe) 5270.1 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 PBE1PBE/6-31G
ABC
0.32595 0.32595 0.17854

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.352
H2 0.000 0.000 1.438
F3 0.000 1.287 -0.131
F4 1.115 -0.644 -0.131
F5 -1.115 -0.644 -0.131

Atom - Atom Distances (Å)
  C1 H2 F3 F4 F5
C11.08621.37491.37491.3749
H21.08622.02982.02982.0298
F31.37492.02982.22932.2293
F41.37492.02982.22932.2293
F51.37492.02982.22932.2293

picture of Methane, trifluoro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 F3 110.583 H2 C1 F4 110.583
H2 C1 F5 110.583 F3 C1 F4 108.337
F3 C1 F5 108.337 F4 C1 F5 108.337
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.663      
2 H 0.197      
3 F -0.287      
4 F -0.287      
5 F -0.287      


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 1.973 1.973
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.650 0.000 0.000
y 0.000 -22.650 0.000
z 0.000 0.000 -18.164
Traceless
 xyz
x -2.243 0.000 0.000
y 0.000 -2.243 0.000
z 0.000 0.000 4.486
Polar
3z2-r28.972
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 1.841 0.000 0.000
y 0.000 1.841 0.000
z 0.000 0.000 1.548


<r2> (average value of r2) Å2
<r2> 61.220
(<r2>)1/2 7.824