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

using model chemistry: G2

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at G2
 hartrees
Energy at 0K-337.893576
Energy at 298.15K-337.889146
HF Energy-336.771638
Nuclear repulsion energy135.495757
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 HF/6-31G*
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 3401 3205 57.45 57.09 0.21 0.34
2 A1 1262 1189 143.16 3.51 0.01 0.02
3 A1 762 718 20.22 1.14 0.41 0.58
4 E 1583 1492 113.78 3.09 0.75 0.86
4 E 1583 1492 113.78 3.09 0.75 0.86
5 E 1328 1251 272.20 3.21 0.75 0.86
5 E 1328 1251 272.20 3.21 0.75 0.86
6 E 551 519 4.95 0.83 0.75 0.86
6 E 551 519 4.95 0.83 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6174.4 cm-1
Scaled (by 0.9422) Zero Point Vibrational Energy (zpe) 5817.6 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=FULL/6-31G*
ABC
0.34079 0.34079 0.18683

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.341
H2 0.000 0.000 1.429
F3 0.000 1.258 -0.129
F4 1.090 -0.629 -0.129
F5 -1.090 -0.629 -0.129

Atom - Atom Distances (Å)
  C1 H2 F3 F4 F5
C11.08851.34301.34301.3430
H21.08852.00282.00282.0028
F31.34302.00282.17932.1793
F41.34302.00282.17932.1793
F51.34302.00282.17932.1793

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 110.441 H2 C1 F4 110.441
H2 C1 F5 110.441 F3 C1 F4 108.485
F3 C1 F5 108.485 F4 C1 F5 108.485
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability