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

using model chemistry: MP2/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 MP2/cc-pVTZ
 hartrees
Energy at 0K-337.819002
Energy at 298.15K 
HF Energy-336.906471
Nuclear repulsion energy133.798261
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 MP2/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 3204 3042 33.87 63.41 0.18 0.31
2 A1 1165 1106 101.17 3.17 0.01 0.01
3 A1 712 676 13.60 1.94 0.34 0.51
4 E 1431 1359 54.50 2.21 0.75 0.86
4 E 1431 1359 54.50 2.21 0.75 0.86
5 E 1198 1138 279.90 2.11 0.75 0.86
5 E 1198 1138 279.90 2.11 0.75 0.86
6 E 515 489 2.56 1.02 0.75 0.86
6 E 515 489 2.56 1.02 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 5684.3 cm-1
Scaled (by 0.9495) Zero Point Vibrational Energy (zpe) 5397.2 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 MP2/cc-pVTZ
ABC
0.34545 0.34545 0.18931

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/cc-pVTZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.337
H2 0.000 0.000 1.421
F3 0.000 1.250 -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
C11.08471.33331.33331.3333
H21.08471.99021.99021.9902
F31.33331.99022.16502.1650
F41.33331.99022.16502.1650
F51.33331.99022.16502.1650

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 110.366 H2 C1 F4 110.366
H2 C1 F5 110.366 F3 C1 F4 108.562
F3 C1 F5 108.562 F4 C1 F5 108.562
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability