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

using model chemistry: CBS-Q

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at CBS-Q
 hartrees
Energy at 0K-337.919745
Energy at 298.15K-337.915366
HF Energy-336.759617
Nuclear repulsion energy135.742345
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 CBS-Q
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 3374 3374 61.90      
2 A1 1252 1252 159.92      
3 A1 767 767 22.02      
4 E 1571 1571 113.98      
4 E 1571 1571 113.98      
5 E 1319 1319 301.36      
5 E 1319 1319 301.36      
6 E 561 561 5.10      
6 E 561 561 5.10      

Unscaled Zero Point Vibrational Energy (zpe) 6147.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 6147.4 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 CBS-Q
ABC
0.34345 0.34345 0.18821

See section I.F.4 to change rotational constant units
Geometric Data calculated at CBS-Q

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.332
H2 0.000 0.000 1.410
F3 0.000 1.231 -0.126
F4 1.066 -0.616 -0.126
F5 -1.066 -0.616 -0.126

Atom - Atom Distances (Å)
  C1 H2 F3 F4 F5
C11.07831.31381.31381.3138
H21.07831.96871.96871.9687
F31.31381.96872.13292.1329
F41.31381.96872.13292.1329
F51.31381.96872.13292.1329

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 110.389 H2 C1 F4 110.389
H2 C1 F5 110.389 F3 C1 F4 108.538
F3 C1 F5 108.538 F4 C1 F5 108.538
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability