return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
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All results from a given calculation for CH2FOH (fluoromethanol)

using model chemistry: MP2=FULL/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2=FULL/6-31G*
 hartrees
Energy at 0K-214.385922
Energy at 298.15K 
HF Energy-213.897236
Nuclear repulsion energy78.899654
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=FULL/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 3775 3557 42.66 66.11 0.30 0.46
2 A 3225 3038 44.47 60.69 0.50 0.67
3 A 3114 2934 66.31 87.61 0.15 0.26
4 A 1604 1512 3.23 9.56 0.73 0.84
5 A 1506 1419 56.70 7.34 0.75 0.86
6 A 1435 1352 18.58 6.84 0.75 0.86
7 A 1300 1225 6.37 8.88 0.72 0.84
8 A 1175 1107 146.50 3.75 0.31 0.47
9 A 1112 1048 128.78 2.80 0.37 0.55
10 A 1061 999 90.75 3.18 0.44 0.61
11 A 551 519 51.89 1.92 0.64 0.78
12 A 399 376 126.46 4.66 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10128.1 cm-1
Scaled (by 0.9422) Zero Point Vibrational Energy (zpe) 9542.6 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=FULL/6-31G*
ABC
1.51611 0.34126 0.30110

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.017 0.512 0.050
F2 1.135 -0.310 -0.030
O3 -1.150 -0.214 -0.116
H4 0.068 1.015 1.021
H5 0.057 1.228 -0.770
H6 -1.237 -0.818 0.641

Atom - Atom Distances (Å)
  C1 F2 O3 H4 H5 H6
C11.39011.38381.09541.08901.9211
F21.39012.28841.99972.01892.5166
O31.38382.28842.07021.99080.9724
H41.09541.99972.07021.80382.2820
H51.08902.01891.99081.80382.8021
H61.92112.51660.97242.28202.8021

picture of fluoromethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O3 H6 107.966 F2 C1 O3 111.164
F2 C1 H4 106.531 F2 C1 H5 108.438
O3 C1 H4 112.723 O3 C1 H5 106.628
H4 C1 H5 111.336
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability