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All results from a given calculation for HCF (Fluoromethylene)

using model chemistry: MP3/6-31+G**

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 MP3/6-31+G**
 hartrees
Energy at 0K-138.047569
Energy at 298.15K-138.047456
HF Energy-137.755779
Nuclear repulsion energy27.089797
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 MP3/6-31+G**
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' 2876 2676 195.38      
2 A' 1486 1383 16.36      
3 A' 1275 1187 176.53      

Unscaled Zero Point Vibrational Energy (zpe) 2818.7 cm-1
Scaled (by 0.9305) Zero Point Vibrational Energy (zpe) 2622.8 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 MP3/6-31+G**
ABC
15.66052 1.21724 1.12945

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -1.027 0.952 0.000
C2 0.068 0.722 0.000
F3 0.068 -0.587 0.000

Atom - Atom Distances (Å)
  H1 C2 F3
H11.11971.8895
C21.11971.3091
F31.88951.3091

picture of Fluoromethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C2 F3 101.866
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

State 2 (3A")

Jump to S1C1
Energy calculated at MP3/6-31+G**
 hartrees
Energy at 0K-138.045124
Energy at 298.15K-138.044990
HF Energy-137.774938
Nuclear repulsion energy26.704876
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 MP3/6-31+G**
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' 3271 3044 8.25      
2 A' 1277 1189 118.46      
3 A' 1161 1081 37.33      

Unscaled Zero Point Vibrational Energy (zpe) 2854.9 cm-1
Scaled (by 0.9305) Zero Point Vibrational Energy (zpe) 2656.5 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 MP3/6-31+G**
ABC
23.05702 1.12905 1.07634

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -0.870 1.269 0.000
C2 0.058 0.713 0.000
F3 0.058 -0.616 0.000

Atom - Atom Distances (Å)
  H1 C2 F3
H11.08212.1014
C21.08211.3288
F32.10141.3288

picture of Fluoromethylene state 2 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability