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

using model chemistry: B3LYP/CEP-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 B3LYP/CEP-31G*
 hartrees
Energy at 0K-78.833009
Energy at 298.15K 
HF Energy-78.833009
Nuclear repulsion energy75.681849
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 B3LYP/CEP-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 3156 3048 49.77 64.70 0.22 0.36
2 A1 1124 1086 101.28 4.37 0.00 0.01
3 A1 683 660 13.65 2.34 0.40 0.57
4 E 1390 1342 68.09 2.66 0.75 0.86
4 E 1390 1342 68.08 2.66 0.75 0.86
5 E 1150 1110 290.55 3.25 0.75 0.86
5 E 1150 1110 290.53 3.25 0.75 0.86
6 E 492 476 2.56 1.18 0.75 0.86
6 E 492 476 2.57 1.18 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 5513.5 cm-1
Scaled (by 0.9657) Zero Point Vibrational Energy (zpe) 5324.4 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 B3LYP/CEP-31G*
ABC
0.33548 0.33548 0.18396

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.343
H2 0.000 0.000 1.445
F3 0.000 1.268 -0.130
F4 1.098 -0.634 -0.130
F5 -1.098 -0.634 -0.130

Atom - Atom Distances (Å)
  C1 H2 F3 F4 F5
C11.10201.35331.35331.3533
H21.10202.02202.02202.0220
F31.35332.02202.19622.1962
F41.35332.02202.19622.1962
F51.35332.02202.19622.1962

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 110.456 H2 C1 F4 110.456
H2 C1 F5 110.456 F3 C1 F4 108.469
F3 C1 F5 108.469 F4 C1 F5 108.469
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.112      
2 H 0.208      
3 F -0.107      
4 F -0.107      
5 F -0.107      


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 1.732 1.732
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.175 0.000 0.000
y 0.000 -22.175 0.000
z 0.000 0.000 -18.336
Traceless
 xyz
x -1.920 0.000 0.000
y 0.000 -1.920 0.000
z 0.000 0.000 3.839
Polar
3z2-r27.678
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 2.146 0.000 0.000
y 0.000 2.147 0.000
z 0.000 0.000 1.941


<r2> (average value of r2) Å2
<r2> 49.728
(<r2>)1/2 7.052