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All results from a given calculation for C2H5F (fluoroethane)

using model chemistry: CCD/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCD/6-311G**
 hartrees
Energy at 0K-178.667036
Energy at 298.15K-178.672672
HF Energy-178.129352
Nuclear repulsion energy79.239977
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 CCD/6-311G**
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' 3154 3012 27.44      
2 A' 3085 2946 35.82      
3 A' 3072 2934 15.64      
4 A' 1556 1486 0.91      
5 A' 1525 1457 1.65      
6 A' 1476 1410 32.72      
7 A' 1430 1366 1.46      
8 A' 1166 1113 52.33      
9 A' 1118 1068 43.57      
10 A' 919 877 12.47      
11 A' 420 401 6.40      
12 A" 3165 3023 44.33      
13 A" 3130 2990 20.74      
14 A" 1506 1438 4.23      
15 A" 1336 1276 0.64      
16 A" 1222 1167 5.78      
17 A" 825 788 0.05      
18 A" 271 259 0.79      

Unscaled Zero Point Vibrational Energy (zpe) 15187.4 cm-1
Scaled (by 0.9551) Zero Point Vibrational Energy (zpe) 14505.5 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 CCD/6-311G**
ABC
1.20858 0.31371 0.27500

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.559 0.000
C2 1.120 -0.464 0.000
F3 -1.223 -0.090 0.000
H4 0.042 1.195 0.891
H5 0.042 1.195 -0.891
H6 2.092 0.042 0.000
H7 1.055 -1.099 0.889
H8 1.055 -1.099 -0.889

Atom - Atom Distances (Å)
  C1 C2 F3 H4 H5 H6 H7 H8
C11.51701.38431.09521.09522.15522.15622.1562
C21.51702.37292.16962.16961.09561.09391.0939
F31.38432.37292.01052.01053.31782.64472.6447
H41.09522.16962.01051.78202.51542.50673.0742
H51.09522.16962.01051.78202.51543.07422.5067
H62.15521.09563.31782.51542.51541.77951.7795
H72.15621.09392.64472.50673.07421.77951.7770
H82.15621.09392.64473.07422.50671.77951.7770

picture of fluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 110.120 C1 C2 H7 110.295
C1 C2 H8 110.295 C2 C1 F3 109.659
C2 C1 H4 111.287 C2 C1 H5 111.287
F3 C1 H4 107.791 F3 C1 H5 107.791
H4 C1 H5 108.899 H6 C2 H7 108.730
H6 C2 H8 108.730 H7 C2 H8 108.626
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability