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All results from a given calculation for HCF (Fluoromethylene)

using model chemistry: G4

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 G4
 hartrees
Energy at 0K-138.367508
Energy at 298.15K-138.363710
HF Energy-138.411284
Nuclear repulsion energy27.237077
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 B3LYP/6-31G(2df,p)
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' 2715 2620 181.63      
2 A' 1454 1403 12.95      
3 A' 1253 1210 138.47      

Unscaled Zero Point Vibrational Energy (zpe) 2711.1 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 2616.2 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 B3LYP/6-31G(2df,p)
ABC
15.36785 1.23567 1.14371

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -1.039 0.959 0.000
C2 0.069 0.718 0.000
F3 0.069 -0.585 0.000

Atom - Atom Distances (Å)
  H1 C2 F3
H11.13401.9004
C21.13401.3030
F31.90041.3030

picture of Fluoromethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C2 F3 102.275
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.110      
2 C -0.119      
3 F 0.009      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.246 -0.351 0.000 1.294
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 15.300
(<r2>)1/2 3.912

State 2 (3A")

Jump to S1C1
Energy calculated at G4
 hartrees
Energy at 0K-138.343669
Energy at 298.15K-138.339856
HF Energy-138.391086
Nuclear repulsion energy27.024620
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 B3LYP/6-31G(2df,p)
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' 3098 2990 8.45 80.60 0.26 0.41
2 A' 1306 1260 84.68 4.85 0.23 0.37
3 A' 1119 1080 22.35 7.26 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 2761.4 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 2664.8 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 B3LYP/6-31G(2df,p)
ABC
23.11309 1.15924 1.10387

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -0.871 1.274 0.000
C2 0.058 0.700 0.000
F3 0.058 -0.608 0.000

Atom - Atom Distances (Å)
  H1 C2 F3
H11.09272.0994
C21.09271.3078
F32.09941.3078

picture of Fluoromethylene state 2 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.163      
2 C -0.159      
3 F -0.004      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.714 0.591 0.000 0.927
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 15.373
(<r2>)1/2 3.921