return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: mPW1PW91/daug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at mPW1PW91/daug-cc-pVDZ
 hartrees
Energy at 0K-338.206275
Energy at 298.15K 
HF Energy-338.206275
Nuclear repulsion energy133.173498
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 mPW1PW91/daug-cc-pVDZ
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 3166 3166 26.52 71.91 0.17 0.29
2 A1 1138 1138 92.39 6.14 0.02 0.05
3 A1 691 691 12.90 1.95 0.21 0.35
4 E 1371 1371 43.08 1.75 0.75 0.86
4 E 1371 1371 43.09 1.75 0.75 0.86
5 E 1159 1159 297.79 1.99 0.75 0.86
5 E 1159 1159 297.75 1.99 0.75 0.86
6 E 498 498 2.14 0.76 0.75 0.86
6 E 498 498 2.13 0.76 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 5526.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 5526.6 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 mPW1PW91/daug-cc-pVDZ
ABC
0.34233 0.34233 0.18779

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/daug-cc-pVDZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.340
H2 0.000 0.000 1.435
F3 0.000 1.255 -0.129
F4 1.087 -0.628 -0.129
F5 -1.087 -0.628 -0.129

Atom - Atom Distances (Å)
  C1 H2 F3 F4 F5
C11.09541.33961.33961.3396
H21.09542.00522.00522.0052
F31.33962.00522.17372.1737
F41.33962.00522.17372.1737
F51.33962.00522.17372.1737

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 110.472 H2 C1 F4 110.472
H2 C1 F5 110.472 F3 C1 F4 108.453
F3 C1 F5 108.453 F4 C1 F5 108.453
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/daug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 2.259      
2 H -0.270      
3 F -0.663      
4 F -0.663      
5 F -0.663      


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 1.621 1.621
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.295 0.000 0.000
y 0.000 -22.295 0.000
z 0.000 0.000 -18.693
Traceless
 xyz
x -1.801 0.000 0.000
y 0.000 -1.801 0.000
z 0.000 0.000 3.601
Polar
3z2-r27.202
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 2.852 0.000 0.000
y 0.000 2.852 0.000
z 0.000 0.000 2.651


<r2> (average value of r2) Å2
<r2> 58.901
(<r2>)1/2 7.675