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All results from a given calculation for HCF (Fluoromethylene)

using model chemistry: MP2/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
2 1 yes CS 3A"

State 1 (1A')

Jump to S2C1
Energy calculated at MP2/6-31G*
 hartrees
Energy at 0K-138.029602
Energy at 298.15K 
HF Energy-137.753793
Nuclear repulsion energy26.978193
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 MP2/6-31G*
Rotational Constants (cm-1) from geometry optimized at MP2/6-31G*
ABC
15.64586 1.20596 1.11966

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -1.027 0.965 0.000
C2 0.068 0.724 0.000
F3 0.068 -0.590 0.000

Atom - Atom Distances (Å)
  H1 C2 F3
H11.12121.9014
C21.12121.3135
F31.90141.3135

picture of Fluoromethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C2 F3 102.415
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability

State 2 (3A")

Jump to S1C1
Energy calculated at MP2/6-31G*
 hartrees
Energy at 0K-138.016064
Energy at 298.15K-138.015931
HF Energy-137.763861
Nuclear repulsion energy26.686574
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 MP2/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3247 3062 10.04 81.78 0.24 0.39
2 A' 1302 1228 85.80 3.26 0.28 0.43
3 A' 1166 1099 35.72 9.37 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 2857.2 cm-1
Scaled (by 0.943) Zero Point Vibrational Energy (zpe) 2694.3 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 MP2/6-31G*
ABC
23.02938 1.12763 1.07499

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -0.871 1.274 0.000
C2 0.058 0.712 0.000
F3 0.058 -0.617 0.000

Atom - Atom Distances (Å)
  H1 C2 F3
H11.08572.1067
C21.08571.3290
F32.10671.3290

picture of Fluoromethylene state 2 conformation 1
More geometry information
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability