return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CH2FOH (fluoromethanol)

using model chemistry: HF/CEP-121G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/CEP-121G*
 hartrees
Energy at 0K-46.795643
Energy at 298.15K 
HF Energy-46.795643
Nuclear repulsion energy47.355239
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/CEP-121G*
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 4124 3726 56.71 62.91 0.31 0.47
2 A 3347 3024 58.49 61.70 0.50 0.67
3 A 3247 2933 90.43 101.10 0.13 0.24
4 A 1678 1516 7.56 7.04 0.75 0.86
5 A 1598 1443 84.02 5.24 0.75 0.85
6 A 1513 1367 31.51 6.01 0.74 0.85
7 A 1379 1246 13.24 6.83 0.74 0.85
8 A 1247 1127 203.85 5.13 0.34 0.50
9 A 1178 1064 142.81 2.61 0.34 0.51
10 A 1123 1015 125.17 3.23 0.53 0.69
11 A 587 531 45.82 1.41 0.60 0.75
12 A 398 360 152.98 2.94 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10710.1 cm-1
Scaled (by 0.9034) Zero Point Vibrational Energy (zpe) 9675.5 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 HF/CEP-121G*
ABC
1.53281 0.35134 0.30878

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-121G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.023 0.512 0.048
F2 1.115 -0.314 -0.028
O3 -1.136 -0.208 -0.112
H4 0.076 1.004 1.014
H5 0.083 1.222 -0.764
H6 -1.241 -0.810 0.613

Atom - Atom Distances (Å)
  C1 F2 O3 H4 H5 H6
C11.37131.37351.08571.08021.9147
F21.37132.25461.97541.99172.4919
O31.37352.25462.05101.98900.9484
H41.08571.97542.05101.79132.2776
H51.08021.99171.98901.79132.7894
H61.91472.49190.94842.27762.7894

picture of fluoromethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O3 H6 109.742 F2 C1 O3 110.449
F2 C1 H4 106.442 F2 C1 H5 108.079
O3 C1 H4 112.502 O3 C1 H5 107.714
H4 C1 H5 111.588
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.199      
2 F -0.342      
3 O -0.593      
4 H 0.135      
5 H 0.154      
6 H 0.447      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.638 0.845 1.616 1.932
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.589 1.994 -2.036
y 1.994 -15.290 -1.535
z -2.036 -1.535 -15.853
Traceless
 xyz
x -5.018 1.994 -2.036
y 1.994 2.931 -1.535
z -2.036 -1.535 2.086
Polar
3z2-r24.172
x2-y2-5.299
xy1.994
xz-2.036
yz-1.535


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.318 0.157 -0.034
y 0.157 2.362 -0.130
z -0.034 -0.130 2.279


<r2> (average value of r2) Å2
<r2> 36.001
(<r2>)1/2 6.000