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All results from a given calculation for C2H5F (fluoroethane)

using model chemistry: B97D3/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B97D3/6-31+G**
 hartrees
Energy at 0K-178.978379
Energy at 298.15K-178.983893
HF Energy-178.978379
Nuclear repulsion energy78.356014
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 B97D3/6-31+G**
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' 3071 3018 30.16      
2 A' 2996 2944 23.11      
3 A' 2992 2941 41.05      
4 A' 1490 1464 0.90      
5 A' 1475 1449 1.82      
6 A' 1395 1371 28.93      
7 A' 1368 1344 3.48      
8 A' 1096 1077 16.82      
9 A' 1017 999 95.18      
10 A' 855 841 28.86      
11 A' 402 395 6.42      
12 A" 3091 3038 40.30      
13 A" 3043 2991 25.83      
14 A" 1459 1434 6.30      
15 A" 1267 1245 0.01      
16 A" 1157 1138 4.35      
17 A" 798 784 0.82      
18 A" 252 248 0.43      

Unscaled Zero Point Vibrational Energy (zpe) 14611.3 cm-1
Scaled (by 0.9828) Zero Point Vibrational Energy (zpe) 14360.0 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 B97D3/6-31+G**
ABC
1.19481 0.30510 0.26795

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.561 0.000
C2 1.143 -0.439 0.000
F3 -1.243 -0.120 0.000
H4 0.013 1.199 0.896
H5 0.013 1.199 -0.896
H6 2.102 0.099 0.000
H7 1.103 -1.077 0.892
H8 1.103 -1.077 -0.892

Atom - Atom Distances (Å)
  C1 C2 F3 H4 H5 H6 H7 H8
C11.51871.41781.09991.09992.15252.16692.1669
C21.51872.40742.18232.18231.10011.09751.0975
F31.41782.40742.02962.02963.35282.68632.6863
H41.09992.18232.02961.79272.52572.52303.0927
H51.09992.18232.02961.79272.52573.09272.5230
H62.15251.10013.35282.52572.52571.78251.7825
H72.16691.09752.68632.52303.09271.78251.7845
H82.16691.09752.68633.09272.52301.78251.7845

picture of fluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 109.521 C1 C2 H7 110.817
C1 C2 H8 110.817 C2 C1 F3 110.085
C2 C1 H4 111.900 C2 C1 H5 111.900
F3 C1 H4 106.766 F3 C1 H5 106.766
H4 C1 H5 109.167 H6 C2 H7 108.417
H6 C2 H8 108.417 H7 C2 H8 108.784
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.005      
2 C -0.478      
3 F -0.312      
4 H 0.143      
5 H 0.143      
6 H 0.157      
7 H 0.171      
8 H 0.171      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.965 0.809 0.000 2.125
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.147 -0.370 0.000
y -0.370 -18.299 0.000
z 0.000 0.000 -18.345
Traceless
 xyz
x -2.825 -0.370 0.000
y -0.370 1.447 0.000
z 0.000 0.000 1.378
Polar
3z2-r22.757
x2-y2-2.848
xy-0.370
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.240 -0.097 0.000
y -0.097 4.040 0.000
z 0.000 0.000 3.770


<r2> (average value of r2) Å2
<r2> 52.210
(<r2>)1/2 7.226