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: CCSD/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at CCSD/6-311G*
 hartrees
Energy at 0K-337.614303
Energy at 298.15K 
HF Energy-336.863778
Nuclear repulsion energy133.841051
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 CCSD/6-311G*
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 3194 3046 46.54      
2 A1 1175 1120 120.90      
3 A1 717 683 17.02      
4 E 1457 1389 89.86      
4 E 1457 1389 89.86      
5 E 1223 1166 269.30      
5 E 1223 1166 269.30      
6 E 522 498 3.76      
6 E 522 498 3.76      

Unscaled Zero Point Vibrational Energy (zpe) 5745.2 cm-1
Scaled (by 0.9535) Zero Point Vibrational Energy (zpe) 5478.0 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 CCSD/6-311G*
ABC
0.34570 0.34570 0.18948

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/6-311G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.336
H2 0.000 0.000 1.426
F3 0.000 1.249 -0.127
F4 1.082 -0.625 -0.127
F5 -1.082 -0.625 -0.127

Atom - Atom Distances (Å)
  C1 H2 F3 F4 F5
C11.09031.33241.33241.3324
H21.09031.99341.99341.9934
F31.33241.99342.16402.1640
F41.33241.99342.16402.1640
F51.33241.99342.16402.1640

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 110.333 H2 C1 F4 110.333
H2 C1 F5 110.333 F3 C1 F4 108.596
F3 C1 F5 108.596 F4 C1 F5 108.596
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability