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All results from a given calculation for CHF3 (Methane, trifluoro-)

using model chemistry: HF/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at HF/6-31G(2df,p)
 hartrees
Energy at 0K-336.790909
Energy at 298.15K 
HF Energy-336.790909
Nuclear repulsion energy136.294152
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 HF/6-31G(2df,p)
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 3308 2995 53.25 54.98 0.20 0.34
2 A1 1266 1147 129.73 3.62 0.02 0.03
3 A1 773 700 18.37 1.23 0.28 0.44
4 E 1567 1419 89.83 2.30 0.75 0.86
4 E 1567 1419 89.83 2.30 0.75 0.86
5 E 1326 1200 255.47 2.42 0.75 0.86
5 E 1326 1200 255.47 2.42 0.75 0.86
6 E 559 506 4.04 0.62 0.75 0.86
6 E 559 506 4.04 0.62 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6125.0 cm-1
Scaled (by 0.9055) Zero Point Vibrational Energy (zpe) 5546.2 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 HF/6-31G(2df,p)
ABC
0.35860 0.35860 0.19674

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-31G(2df,p)

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.330
H2 0.000 0.000 1.410
F3 0.000 1.226 -0.126
F4 1.062 -0.613 -0.126
F5 -1.062 -0.613 -0.126

Atom - Atom Distances (Å)
  C1 H2 F3 F4 F5
C11.07951.30821.30821.3082
H21.07951.96501.96501.9650
F31.30821.96502.12372.1237
F41.30821.96502.12372.1237
F51.30821.96502.12372.1237

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 110.403 H2 C1 F4 110.403
H2 C1 F5 110.403 F3 C1 F4 108.524
F3 C1 F5 108.524 F4 C1 F5 108.524
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.466      
2 H 0.117      
3 F -0.194      
4 F -0.194      
5 F -0.194      


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 1.583 1.583
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.550 0.000 0.000
y 0.000 -21.550 0.000
z 0.000 0.000 -18.025
Traceless
 xyz
x -1.762 0.000 0.000
y 0.000 -1.762 0.000
z 0.000 0.000 3.525
Polar
3z2-r27.049
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 2.069 0.000 0.000
y 0.000 2.069 0.000
z 0.000 0.000 2.036


<r2> (average value of r2) Å2
<r2> 56.385
(<r2>)1/2 7.509