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: QCISD/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at QCISD/cc-pVDZ
 hartrees
Energy at 0K-253.640193
Energy at 298.15K 
HF Energy-252.946558
Nuclear repulsion energy130.831894
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 QCISD/cc-pVDZ
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 3841 3685 33.50      
2 A 3144 3016 46.18      
3 A 3123 2997 36.23      
4 A 3079 2954 29.08      
5 A 3030 2907 51.27      
6 A 1505 1444 2.50      
7 A 1501 1440 3.26      
8 A 1465 1406 48.47      
9 A 1428 1370 21.55      
10 A 1400 1343 1.97      
11 A 1277 1225 7.94      
12 A 1240 1190 10.45      
13 A 1152 1105 39.15      
14 A 1132 1086 48.64      
15 A 1081 1037 53.01      
16 A 915 878 16.05      
17 A 881 846 34.41      
18 A 524 503 8.77      
19 A 439 421 122.49      
20 A 320 307 11.89      
21 A 167 160 10.52      

Unscaled Zero Point Vibrational Energy (zpe) 16321.5 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 15658.8 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 QCISD/cc-pVDZ
ABC
0.51627 0.18595 0.15344

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.693 0.584 0.278
C2 -0.720 0.569 -0.277
O3 1.434 -0.528 -0.189
F4 -1.339 -0.608 0.159
H5 1.215 1.495 -0.064
H6 0.644 0.612 1.387
H7 -1.313 1.430 0.081
H8 -0.706 0.553 -1.381
H9 0.906 -1.303 0.049

Atom - Atom Distances (Å)
  C1 C2 O3 F4 H5 H6 H7 H8 H9
C11.51791.41542.35851.10451.11072.18602.16991.9127
C21.51792.41871.39922.15562.15241.10531.10462.5009
O31.41542.41872.79552.03892.09963.38422.67710.9675
F42.35851.39922.79553.31572.63312.03992.03002.3524
H51.10452.15562.03893.31571.79172.53282.51172.8176
H61.11072.15242.09962.63311.79172.49123.08052.3513
H72.18601.10533.38422.03992.53282.49121.81023.5208
H82.16991.10462.67712.03002.51173.08051.81022.8441
H91.91272.50090.96752.35242.81762.35133.52082.8441

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 107.833 C1 C2 H7 111.922
C1 C2 H8 110.680 C1 O3 H9 105.221
C2 C1 O3 111.038 C2 C1 H5 109.558
C2 C1 H6 108.947 O3 C1 H5 107.384
O3 C1 H6 111.873
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability