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

using model chemistry: MP2/CEP-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 MP2/CEP-31G*
 hartrees
Energy at 0K-78.287683
Energy at 298.15K 
HF Energy-77.679817
Nuclear repulsion energy75.739329
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/CEP-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 3245 3081 47.21 59.77 0.20 0.34
2 A1 1142 1085 108.12 4.30 0.00 0.01
3 A1 693 658 14.93 2.25 0.37 0.54
4 E 1417 1345 69.30 2.52 0.75 0.86
4 E 1417 1345 69.30 2.52 0.75 0.86
5 E 1178 1118 305.98 3.10 0.75 0.86
5 E 1178 1118 305.98 3.10 0.75 0.86
6 E 502 476 3.11 1.16 0.75 0.86
6 E 502 476 3.11 1.16 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 5636.2 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 5351.0 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 MP2/CEP-31G*
ABC
0.33598 0.33598 0.18429

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-31G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.344
H2 0.000 0.000 1.443
F3 0.000 1.267 -0.130
F4 1.097 -0.633 -0.130
F5 -1.097 -0.633 -0.130

Atom - Atom Distances (Å)
  C1 H2 F3 F4 F5
C11.09841.35281.35281.3528
H21.09842.01952.01952.0195
F31.35282.01952.19432.1943
F41.35282.01952.19432.1943
F51.35282.01952.19432.1943

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 110.530 H2 C1 F4 110.530
H2 C1 F5 110.530 F3 C1 F4 108.392
F3 C1 F5 108.392 F4 C1 F5 108.392
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability