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All results from a given calculation for C2H5F (fluoroethane)

using model chemistry: B3LYP/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 B3LYP/6-311G**
 hartrees
Energy at 0K-179.115863
Energy at 298.15K-179.121444
Nuclear repulsion energy78.977337
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/6-311G**
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' 3101 2998 30.78      
2 A' 3035 2934 8.85      
3 A' 3032 2931 46.18      
4 A' 1521 1471 0.95      
5 A' 1499 1449 1.60      
6 A' 1432 1384 28.02      
7 A' 1404 1357 2.08      
8 A' 1127 1089 24.99      
9 A' 1058 1023 76.65      
10 A' 888 859 18.26      
11 A' 409 396 6.46      
12 A" 3115 3011 45.61      
13 A" 3073 2971 22.81      
14 A" 1479 1430 6.00      
15 A" 1301 1258 0.10      
16 A" 1188 1149 5.41      
17 A" 816 789 0.61      
18 A" 262 254 0.68      

Unscaled Zero Point Vibrational Energy (zpe) 14869.8 cm-1
Scaled (by 0.9668) Zero Point Vibrational Energy (zpe) 14376.1 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/6-311G**
ABC
1.20547 0.31109 0.27272

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.560 0.000
C2 1.129 -0.448 0.000
F3 -1.230 -0.107 0.000
H4 0.028 1.196 0.890
H5 0.028 1.196 -0.890
H6 2.095 0.064 0.000
H7 1.075 -1.084 0.886
H8 1.075 -1.084 -0.886

Atom - Atom Distances (Å)
  C1 C2 F3 H4 H5 H6 H7 H8
C11.51341.39971.09401.09402.15332.15532.1553
C21.51342.38332.16922.16921.09411.09221.0922
F31.39972.38332.01812.01813.33012.65612.6561
H41.09402.16922.01811.78052.51952.50883.0741
H51.09402.16922.01811.78052.51953.07412.5088
H62.15331.09413.33012.51952.51951.77331.7733
H72.15531.09222.65612.50883.07411.77331.7724
H82.15531.09222.65613.07412.50881.77331.7724

picture of fluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 110.312 C1 C2 H7 110.587
C1 C2 H8 110.587 C2 C1 F3 109.739
C2 C1 H4 111.589 C2 C1 H5 111.589
F3 C1 H4 107.414 F3 C1 H5 107.414
H4 C1 H5 108.920 H6 C2 H7 108.408
H6 C2 H8 108.408 H7 C2 H8 108.468
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.089      
2 C -0.332      
3 F -0.290      
4 H 0.096      
5 H 0.096      
6 H 0.104      
7 H 0.119      
8 H 0.119      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.742 0.748 0.000 1.895
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.798 -0.196 0.000
y -0.196 -18.199 0.000
z 0.000 0.000 -18.229
Traceless
 xyz
x -2.584 -0.196 0.000
y -0.196 1.315 0.000
z 0.000 0.000 1.270
Polar
3z2-r22.540
x2-y2-2.599
xy-0.196
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.811 -0.121 0.000
y -0.121 3.746 0.000
z 0.000 0.000 3.543


<r2> (average value of r2) Å2
<r2> 51.443
(<r2>)1/2 7.172