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All results from a given calculation for C2H5F (fluoroethane)

using model chemistry: B3LYP/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 B3LYP/6-31+G**
 hartrees
Energy at 0K-179.080110
Energy at 298.15K-179.085663
Nuclear repulsion energy78.699146
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 B3LYP/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' 3117 3006 26.71      
2 A' 3057 2947 36.00      
3 A' 3046 2937 15.85      
4 A' 1521 1466 0.99      
5 A' 1503 1450 2.17      
6 A' 1427 1376 29.53      
7 A' 1398 1348 3.59      
8 A' 1121 1081 21.39      
9 A' 1051 1013 92.98      
10 A' 880 848 25.59      
11 A' 408 394 6.75      
12 A" 3136 3024 39.53      
13 A" 3101 2990 15.63      
14 A" 1486 1433 6.74      
15 A" 1293 1247 0.07      
16 A" 1184 1141 4.88      
17 A" 813 784 0.75      
18 A" 254 245 0.53      

Unscaled Zero Point Vibrational Energy (zpe) 14897.6 cm-1
Scaled (by 0.9642) Zero Point Vibrational Energy (zpe) 14364.3 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 B3LYP/6-31+G**
ABC
1.20102 0.30836 0.27054

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.561 0.000
C2 1.136 -0.440 0.000
F3 -1.236 -0.117 0.000
H4 0.012 1.196 0.893
H5 0.012 1.196 -0.893
H6 2.097 0.089 0.000
H7 1.093 -1.076 0.889
H8 1.093 -1.076 -0.889

Atom - Atom Distances (Å)
  C1 C2 F3 H4 H5 H6 H7 H8
C11.51451.40991.09521.09522.14922.15992.1599
C21.51452.39422.17632.17631.09621.09401.0940
F31.40992.39422.01942.01943.33902.67062.6706
H41.09522.17632.01941.78502.52342.51603.0827
H51.09522.17632.01941.78502.52343.08272.5160
H62.14921.09623.33902.52342.52341.77641.7764
H72.15991.09402.67062.51603.08271.77641.7774
H82.15991.09402.67063.08272.51601.77641.7774

picture of fluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 109.783 C1 C2 H7 110.764
C1 C2 H8 110.764 C2 C1 F3 109.863
C2 C1 H4 112.012 C2 C1 H5 112.012
F3 C1 H4 106.764 F3 C1 H5 106.764
H4 C1 H5 109.159 H6 C2 H7 108.400
H6 C2 H8 108.400 H7 C2 H8 108.660
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.049      
2 C -0.465      
3 F -0.333      
4 H 0.135      
5 H 0.135      
6 H 0.150      
7 H 0.164      
8 H 0.164      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.004 0.839 0.000 2.173
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.292 -0.399 0.000
y -0.399 -18.351 0.000
z 0.000 0.000 -18.405
Traceless
 xyz
x -2.914 -0.399 0.000
y -0.399 1.497 0.000
z 0.000 0.000 1.417
Polar
3z2-r22.834
x2-y2-2.941
xy-0.399
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.090 -0.079 0.000
y -0.079 3.924 0.000
z 0.000 0.000 3.685


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000