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

using model chemistry: B3PW91/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at B3PW91/3-21G*
 hartrees
Energy at 0K-336.271079
Energy at 298.15K 
HF Energy-336.271079
Nuclear repulsion energy130.761581
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 B3PW91/3-21G*
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 3154 3026 65.84      
2 A1 1119 1073 98.88      
3 A1 657 630 17.88      
4 E 1441 1382 79.88      
4 E 1441 1382 79.88      
5 E 1197 1149 179.39      
5 E 1197 1149 179.38      
6 E 475 456 5.47      
6 E 475 456 5.47      

Unscaled Zero Point Vibrational Energy (zpe) 5578.2 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 5351.7 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 B3PW91/3-21G*
ABC
0.32982 0.32982 0.18062

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/3-21G*

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 1.435
F3 0.000 1.280 -0.130
F4 1.108 -0.640 -0.130
F5 -1.108 -0.640 -0.130

Atom - Atom Distances (Å)
  C1 H2 F3 F4 F5
C11.08801.36591.36591.3659
H21.08802.02212.02212.0221
F31.36592.02212.21652.2165
F41.36592.02212.21652.2165
F51.36592.02212.21652.2165

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 110.467 H2 C1 F4 110.467
H2 C1 F5 110.467 F3 C1 F4 108.457
F3 C1 F5 108.457 F4 C1 F5 108.457
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.646      
2 H 0.217      
3 F -0.288      
4 F -0.288      
5 F -0.288      


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 1.685 1.685
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.822 0.000 0.000
y 0.000 -21.822 0.000
z 0.000 0.000 -17.949
Traceless
 xyz
x -1.936 0.000 0.000
y 0.000 -1.936 0.000
z 0.000 0.000 3.873
Polar
3z2-r27.745
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 1.602 0.000 0.000
y 0.000 1.602 0.000
z 0.000 0.000 1.433


<r2> (average value of r2) Å2
<r2> 60.280
(<r2>)1/2 7.764