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

using model chemistry: MP2/STO-3G

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/STO-3G
 hartrees
Energy at 0K-332.201212
Energy at 298.15K 
HF Energy-332.098554
Nuclear repulsion energy128.258500
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/STO-3G
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 3267 2848 29.90 33.94 0.36 0.52
2 A1 1143 996 35.90 3.45 0.00 0.00
3 A1 648 565 17.92 1.38 0.56 0.72
4 E 1519 1325 75.13 4.08 0.75 0.86
4 E 1519 1325 75.13 4.08 0.75 0.86
5 E 1277 1113 28.59 5.96 0.75 0.86
5 E 1277 1113 28.59 5.96 0.75 0.86
6 E 460 401 4.20 1.40 0.75 0.86
6 E 460 401 4.20 1.40 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 5784.6 cm-1
Scaled (by 0.8719) Zero Point Vibrational Energy (zpe) 5043.6 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/STO-3G
ABC
0.31741 0.31741 0.17385

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.348
H2 0.000 0.000 1.486
F3 0.000 1.304 -0.132
F4 1.130 -0.652 -0.132
F5 -1.130 -0.652 -0.132

Atom - Atom Distances (Å)
  C1 H2 F3 F4 F5
C11.13761.39001.39001.3900
H21.13762.07832.07832.0783
F31.39002.07832.25922.2592
F41.39002.07832.25922.2592
F51.39002.07832.25922.2592

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 110.220 H2 C1 F4 110.220
H2 C1 F5 110.220 F3 C1 F4 108.712
F3 C1 F5 108.712 F4 C1 F5 108.712
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability