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All results from a given calculation for C2H5F (fluoroethane)

using model chemistry: PBEPBE/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 PBEPBE/6-311G**
 hartrees
Energy at 0K-178.897831
Energy at 298.15K-178.903360
Nuclear repulsion energy78.632795
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 PBEPBE/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' 3050 3023 25.19      
2 A' 2977 2950 10.23      
3 A' 2958 2931 48.55      
4 A' 1469 1456 1.09      
5 A' 1448 1435 1.37      
6 A' 1381 1368 28.35      
7 A' 1350 1338 2.79      
8 A' 1095 1085 20.92      
9 A' 1036 1027 77.30      
10 A' 866 858 15.68      
11 A' 397 394 5.83      
12 A" 3062 3035 33.62      
13 A" 3000 2973 31.70      
14 A" 1429 1416 6.51      
15 A" 1258 1247 0.01      
16 A" 1147 1137 4.96      
17 A" 790 783 0.99      
18 A" 261 259 0.52      

Unscaled Zero Point Vibrational Energy (zpe) 14487.8 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 14356.0 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 PBEPBE/6-311G**
ABC
1.19530 0.30873 0.27079

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.561 0.000
C2 1.132 -0.446 0.000
F3 -1.236 -0.110 0.000
H4 0.030 1.203 0.897
H5 0.030 1.203 -0.897
H6 2.105 0.071 0.000
H7 1.081 -1.087 0.892
H8 1.081 -1.087 -0.892

Atom - Atom Distances (Å)
  C1 C2 F3 H4 H5 H6 H7 H8
C11.51481.40571.10351.10352.16082.16352.1635
C21.51482.39122.17632.17631.10181.09981.0998
F31.40572.39122.03222.03223.34512.66832.6683
H41.10352.17632.03221.79402.52732.51953.0902
H51.10352.17632.03221.79402.52733.09022.5195
H62.16081.10183.34512.52732.52731.78471.7847
H72.16351.09982.66832.51953.09021.78471.7846
H82.16351.09982.66833.09022.51951.78471.7846

picture of fluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 110.342 C1 C2 H7 110.674
C1 C2 H8 110.674 C2 C1 F3 109.867
C2 C1 H4 111.472 C2 C1 H5 111.472
F3 C1 H4 107.562 F3 C1 H5 107.562
H4 C1 H5 108.749 H6 C2 H7 108.312
H6 C2 H8 108.312 H7 C2 H8 108.448
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.032      
2 C -0.377      
3 F -0.257      
4 H 0.109      
5 H 0.109      
6 H 0.118      
7 H 0.133      
8 H 0.133      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.641 0.688 0.000 1.779
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.648 -0.162 0.000
y -0.162 -18.278 0.000
z 0.000 0.000 -18.296
Traceless
 xyz
x -2.361 -0.162 0.000
y -0.162 1.194 0.000
z 0.000 0.000 1.167
Polar
3z2-r22.333
x2-y2-2.370
xy-0.162
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.976 -0.144 0.000
y -0.144 3.894 0.000
z 0.000 0.000 3.662


<r2> (average value of r2) Å2
<r2> 51.762
(<r2>)1/2 7.195