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

using model chemistry: HSEh1PBE/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at HSEh1PBE/3-21G
 hartrees
Energy at 0K-336.099631
Energy at 298.15K 
HF Energy-336.099631
Nuclear repulsion energy131.107622
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 HSEh1PBE/3-21G
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 3171 3055 63.50 60.00 0.24 0.39
2 A1 1130 1088 100.88 4.91 0.00 0.00
3 A1 663 638 18.86 1.98 0.52 0.69
4 E 1450 1397 85.63 5.97 0.75 0.86
4 E 1450 1397 85.63 5.97 0.75 0.86
5 E 1213 1169 175.21 4.70 0.75 0.86
5 E 1213 1169 175.21 4.70 0.75 0.86
6 E 479 462 5.84 1.60 0.75 0.86
6 E 479 462 5.83 1.60 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 5624.5 cm-1
Scaled (by 0.9633) Zero Point Vibrational Energy (zpe) 5418.1 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 HSEh1PBE/3-21G
ABC
0.33160 0.33160 0.18165

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/3-21G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.347
H2 0.000 0.000 1.434
F3 0.000 1.276 -0.130
F4 1.105 -0.638 -0.130
F5 -1.105 -0.638 -0.130

Atom - Atom Distances (Å)
  C1 H2 F3 F4 F5
C11.08721.36231.36231.3623
H21.08722.01872.01872.0187
F31.36232.01872.21012.2101
F41.36232.01872.21012.2101
F51.36232.01872.21012.2101

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 110.500 H2 C1 F4 110.500
H2 C1 F5 110.500 F3 C1 F4 108.423
F3 C1 F5 108.423 F4 C1 F5 108.423
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.657      
2 H 0.218      
3 F -0.292      
4 F -0.292      
5 F -0.292      


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 1.693 1.693
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.857 0.000 0.000
y 0.000 -21.857 0.000
z 0.000 0.000 -17.974
Traceless
 xyz
x -1.942 0.000 0.000
y 0.000 -1.942 0.000
z 0.000 0.000 3.884
Polar
3z2-r27.767
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 1.584 0.000 0.000
y 0.000 1.584 0.000
z 0.000 0.000 1.421


<r2> (average value of r2) Å2
<r2> 60.042
(<r2>)1/2 7.749