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

using model chemistry: BLYP/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 BLYP/3-21G*
 hartrees
Energy at 0K-336.338470
Energy at 298.15K 
HF Energy-336.338470
Nuclear repulsion energy128.907278
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 BLYP/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 3022 3002 79.11 67.45 0.26 0.41
2 A1 1055 1048 82.27 5.39 0.00 0.00
3 A1 623 619 12.14 2.51 0.50 0.67
4 E 1382 1373 65.21 7.75 0.75 0.86
4 E 1382 1373 65.21 7.75 0.75 0.86
5 E 1115 1108 175.24 4.25 0.75 0.86
5 E 1115 1108 175.24 4.25 0.75 0.86
6 E 451 448 3.41 1.79 0.75 0.86
6 E 451 448 3.41 1.79 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 5298.2 cm-1
Scaled (by 0.9935) Zero Point Vibrational Energy (zpe) 5263.7 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 BLYP/3-21G*
ABC
0.32046 0.32046 0.17537

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.351
H2 0.000 0.000 1.450
F3 0.000 1.299 -0.132
F4 1.125 -0.649 -0.132
F5 -1.125 -0.649 -0.132

Atom - Atom Distances (Å)
  C1 H2 F3 F4 F5
C11.09831.38561.38561.3856
H21.09832.04632.04632.0463
F31.38562.04632.24942.2494
F41.38562.04632.24942.2494
F51.38562.04632.24942.2494

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 110.405 H2 C1 F4 110.405
H2 C1 F5 110.405 F3 C1 F4 108.521
F3 C1 F5 108.521 F4 C1 F5 108.521
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.560      
2 H 0.182      
3 F -0.247      
4 F -0.247      
5 F -0.247      


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 1.480 1.480
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.558 0.000 0.000
y 0.000 -21.558 0.000
z 0.000 0.000 -18.170
Traceless
 xyz
x -1.694 0.000 0.000
y 0.000 -1.694 0.000
z 0.000 0.000 3.389
Polar
3z2-r26.778
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 1.730 0.000 0.000
y 0.000 1.730 0.000
z 0.000 0.000 1.526


<r2> (average value of r2) Å2
<r2> 61.609
(<r2>)1/2 7.849