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All results from a given calculation for C2H5F (fluoroethane)

using model chemistry: B3LYP/CEP-121G

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/CEP-121G
 hartrees
Energy at 0K-38.469361
Energy at 298.15K-38.474892
Nuclear repulsion energy46.011393
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/CEP-121G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3087 3008 44.63      
2 A' 3028 2951 39.11      
3 A' 3000 2923 21.95      
4 A' 1530 1491 4.21      
5 A' 1515 1476 2.54      
6 A' 1440 1404 19.87      
7 A' 1403 1367 12.79      
8 A' 1120 1091 12.11      
9 A' 1030 1004 61.53      
10 A' 850 828 33.56      
11 A' 388 378 8.72      
12 A" 3117 3037 77.75      
13 A" 3087 3008 3.63      
14 A" 1500 1461 7.57      
15 A" 1277 1245 0.39      
16 A" 1166 1136 4.80      
17 A" 820 799 1.34      
18 A" 246 239 0.77      

Unscaled Zero Point Vibrational Energy (zpe) 14801.0 cm-1
Scaled (by 0.9745) Zero Point Vibrational Energy (zpe) 14423.6 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/CEP-121G
ABC
1.15176 0.29834 0.26058

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.583 0.000
C2 1.166 -0.408 0.000
F3 -1.260 -0.168 0.000
H4 -0.019 1.210 0.899
H5 -0.019 1.210 -0.899
H6 2.121 0.136 0.000
H7 1.131 -1.047 0.890
H8 1.131 -1.047 -0.890

Atom - Atom Distances (Å)
  C1 C2 F3 H4 H5 H6 H7 H8
C11.52981.46621.09661.09662.16712.17382.1738
C21.52982.43712.19822.19821.09921.09591.0959
F31.46622.43712.06042.06043.39382.69782.6978
H41.09662.19822.06041.79782.55772.53353.1012
H51.09662.19822.06041.79782.55773.10122.5335
H62.16711.09923.39382.55772.55771.78081.7808
H72.17381.09592.69782.53353.10121.78081.7796
H82.17381.09592.69783.10122.53351.78081.7796

picture of fluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 109.958 C1 C2 H7 110.683
C1 C2 H8 110.683 C2 C1 F3 108.851
C2 C1 H4 112.598 C2 C1 H5 112.598
F3 C1 H4 106.127 F3 C1 H5 106.127
H4 C1 H5 110.115 H6 C2 H7 108.442
H6 C2 H8 108.442 H7 C2 H8 108.566
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.006      
2 C -0.463      
3 F -0.293      
4 H 0.142      
5 H 0.142      
6 H 0.145      
7 H 0.168      
8 H 0.168      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.319 1.095 0.000 2.565
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.525 -0.637 0.000
y -0.637 -18.040 0.000
z 0.000 0.000 -18.172
Traceless
 xyz
x -3.419 -0.637 0.000
y -0.637 1.809 0.000
z 0.000 0.000 1.610
Polar
3z2-r23.221
x2-y2-3.485
xy-0.637
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.898 0.012 0.000
y 0.012 3.686 0.000
z 0.000 0.000 3.540


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