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 CH2FCH2OH (2-fluoroethanol)

using model chemistry: MP2=FULL/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP2=FULL/STO-3G
 hartrees
Energy at 0K-249.737979
Energy at 298.15K 
HF Energy-249.576696
Nuclear repulsion energy127.224630
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/STO-3G
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 3863 3434 33.64 28.68 0.28 0.44
2 A 3484 3097 5.17 28.94 0.65 0.79
3 A 3452 3068 9.07 29.50 0.74 0.85
4 A 3351 2978 11.80 34.97 0.18 0.31
5 A 3341 2970 7.61 36.39 0.15 0.26
6 A 1706 1517 0.78 5.46 0.74 0.85
7 A 1698 1509 0.02 16.19 0.75 0.86
8 A 1639 1457 14.94 11.03 0.71 0.83
9 A 1560 1387 10.09 5.64 0.66 0.80
10 A 1539 1368 12.76 4.48 0.71 0.83
11 A 1363 1212 6.80 10.96 0.75 0.86
12 A 1339 1190 9.54 7.18 0.75 0.85
13 A 1262 1122 4.09 5.82 0.63 0.77
14 A 1205 1071 0.44 1.84 0.43 0.60
15 A 1153 1025 10.64 2.40 0.56 0.71
16 A 963 856 1.06 6.79 0.28 0.44
17 A 945 840 4.99 3.84 0.51 0.68
18 A 527 469 1.36 2.19 0.74 0.85
19 A 405 360 66.51 4.78 0.75 0.86
20 A 269 239 13.83 1.13 0.67 0.80
21 A 77 69 4.34 0.08 0.58 0.73

Unscaled Zero Point Vibrational Energy (zpe) 17570.6 cm-1
Scaled (by 0.8889) Zero Point Vibrational Energy (zpe) 15618.5 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 MP2=FULL/STO-3G
ABC
0.50619 0.17015 0.14167

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/STO-3G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.720 0.595 0.277
C2 -0.763 0.561 -0.268
O3 1.513 -0.536 -0.195
F4 -1.402 -0.618 0.151
H5 1.218 1.518 -0.088
H6 0.687 0.641 1.392
H7 -1.316 1.457 0.107
H8 -0.748 0.608 -1.383
H9 0.938 -1.315 0.118

Atom - Atom Distances (Å)
  C1 C2 O3 F4 H5 H6 H7 H8 H9
C11.58051.45942.44801.11041.11612.21712.21641.9288
C21.58052.52751.40552.20712.20541.11661.11652.5622
O31.45942.52752.93682.07772.14103.47272.79831.0174
F42.44801.40552.93683.38902.73672.07692.07032.4426
H51.11042.20712.07773.38901.80032.54152.52382.8542
H61.11612.20542.14102.73671.80032.51553.12432.3471
H72.21711.11663.47272.07692.54152.51551.80623.5723
H82.21641.11652.79832.07032.52383.12431.80622.9659
H91.92882.56221.01742.44262.85422.34713.57232.9659

picture of 2-fluoroethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F4 109.994 C1 C2 H7 109.367
C1 C2 H8 109.320 C1 O3 H9 100.782
C2 C1 O3 112.432 C2 C1 H5 108.953
C2 C1 H6 108.511 O3 C1 H5 107.119
O3 C1 H6 111.777
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability