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

using model chemistry: MP2/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at MP2/3-21G*
 hartrees
Energy at 0K-335.392575
Energy at 298.15K 
HF Energy-334.949254
Nuclear repulsion energy130.189544
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 MP2/3-21G*
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 3234 3077 62.32 55.69 0.24 0.39
2 A1 1131 1076 109.18 5.21 0.00 0.00
3 A1 666 634 21.52 2.03 0.49 0.66
4 E 1494 1421 88.68 6.48 0.75 0.86
4 E 1494 1421 88.68 6.48 0.75 0.86
5 E 1222 1162 175.09 4.71 0.75 0.86
5 E 1222 1162 175.09 4.71 0.75 0.86
6 E 485 462 7.22 1.71 0.75 0.86
6 E 485 462 7.22 1.71 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 5716.6 cm-1
Scaled (by 0.9513) Zero Point Vibrational Energy (zpe) 5438.2 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 MP2/3-21G*
ABC
0.32684 0.32684 0.17885

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/3-21G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.349
H2 0.000 0.000 1.432
F3 0.000 1.286 -0.131
F4 1.114 -0.643 -0.131
F5 -1.114 -0.643 -0.131

Atom - Atom Distances (Å)
  C1 H2 F3 F4 F5
C11.08291.37241.37241.3724
H21.08292.02342.02342.0234
F31.37242.02342.22742.2274
F41.37242.02342.22742.2274
F51.37242.02342.22742.2274

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 110.439 H2 C1 F4 110.439
H2 C1 F5 110.439 F3 C1 F4 108.487
F3 C1 F5 108.487 F4 C1 F5 108.487
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability