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/aug-cc-pVTZ

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/aug-cc-pVTZ
 hartrees
Energy at 0K-337.843194
Energy at 298.15K 
HF Energy-336.912211
Nuclear repulsion energy134.250114
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/aug-cc-pVTZ
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 3186 3049 24.36      
2 A1 1180 1129 100.57      
3 A1 718 687 15.13      
4 E 1438 1376 60.05      
4 E 1438 1376 60.05      
5 E 1221 1168 273.24      
5 E 1221 1168 273.24      
6 E 521 498 3.13      
6 E 521 498 3.13      

Unscaled Zero Point Vibrational Energy (zpe) 5721.2 cm-1
Scaled (by 0.957) Zero Point Vibrational Energy (zpe) 5475.2 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/aug-cc-pVTZ
ABC
0.34790 0.34790 0.19089

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/aug-cc-pVTZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.338
H2 0.000 0.000 1.424
F3 0.000 1.245 -0.128
F4 1.078 -0.622 -0.128
F5 -1.078 -0.622 -0.128

Atom - Atom Distances (Å)
  C1 H2 F3 F4 F5
C11.08631.32901.32901.3290
H21.08631.98951.98951.9895
F31.32901.98952.15602.1560
F41.32901.98952.15602.1560
F51.32901.98952.15602.1560

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 110.514 H2 C1 F4 110.514
H2 C1 F5 110.514 F3 C1 F4 108.409
F3 C1 F5 108.409 F4 C1 F5 108.409
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability