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: CCD/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at CCD/6-31G**
 hartrees
Energy at 0K-337.419473
Energy at 298.15K 
HF Energy-336.771598
Nuclear repulsion energy133.224009
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 CCD/6-31G**
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 3236 3035 49.74      
2 A1 1184 1111 112.15      
3 A1 711 667 16.23      
4 E 1482 1389 98.03      
4 E 1482 1389 98.03      
5 E 1246 1168 225.30      
5 E 1246 1168 225.30      
6 E 512 480 4.04      
6 E 512 480 4.04      

Unscaled Zero Point Vibrational Energy (zpe) 5804.7 cm-1
Scaled (by 0.9376) Zero Point Vibrational Energy (zpe) 5442.5 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 CCD/6-31G**
ABC
0.34251 0.34251 0.18776

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-31G**

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 1.426
F3 0.000 1.255 -0.128
F4 1.087 -0.628 -0.128
F5 -1.087 -0.628 -0.128

Atom - Atom Distances (Å)
  C1 H2 F3 F4 F5
C11.08641.33951.33951.3395
H21.08641.99791.99791.9979
F31.33951.99792.17392.1739
F41.33951.99792.17392.1739
F51.33951.99792.17392.1739

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 110.451 H2 C1 F4 110.451
H2 C1 F5 110.451 F3 C1 F4 108.473
F3 C1 F5 108.473 F4 C1 F5 108.473
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability