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: MP4/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP4/3-21G
 hartrees
Energy at 0K-213.075719
Energy at 298.15K 
HF Energy-212.725694
Nuclear repulsion energy76.863636
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 MP4/3-21G
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 3485 3379        
2 A 3122 3028        
3 A 3012 2921        
4 A 1606 1557        
5 A 1494 1449        
6 A 1425 1382        
7 A 1284 1246        
8 A 1086 1053        
9 A 1075 1042        
10 A 1004 974        
11 A 525 509        
12 A 384 372        

Unscaled Zero Point Vibrational Energy (zpe) 9750.4 cm-1
Scaled (by 0.9698) Zero Point Vibrational Energy (zpe) 9455.9 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 MP4/3-21G
ABC
1.47044 0.32014 0.28281

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.023 0.522 0.051
F2 1.172 -0.316 -0.031
O3 -1.191 -0.214 -0.114
H4 0.075 1.044 1.019
H5 0.040 1.240 -0.773
H6 -1.277 -0.860 0.637

Atom - Atom Distances (Å)
  C1 F2 O3 H4 H5 H6
C11.42431.42961.10051.09271.9858
F21.42432.36672.03842.06202.5956
O31.42962.36672.11352.01560.9945
H41.10052.03842.11351.80242.3657
H51.09272.06202.01561.80242.8514
H61.98582.59560.99452.36572.8514

picture of fluoromethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O3 H6 108.682 F2 C1 O3 112.055
F2 C1 H4 106.976 F2 C1 H5 109.311
O3 C1 H4 112.658 O3 C1 H5 105.314
H4 C1 H5 110.537
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability