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All results from a given calculation for C2H5F (fluoroethane)

using model chemistry: B3LYP/3-21G*

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/3-21G*
 hartrees
Energy at 0K-178.084993
Energy at 298.15K-178.090551
Nuclear repulsion energy78.245205
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/3-21G*
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' 3134 3015 22.58      
2 A' 3067 2950 7.86      
3 A' 3042 2927 43.43      
4 A' 1592 1531 0.43      
5 A' 1567 1508 4.57      
6 A' 1468 1412 8.90      
7 A' 1455 1400 23.05      
8 A' 1153 1109 21.89      
9 A' 1056 1016 39.61      
10 A' 900 866 5.70      
11 A' 373 359 5.71      
12 A" 3141 3021 31.87      
13 A" 3073 2956 38.88      
14 A" 1551 1492 6.08      
15 A" 1334 1284 0.94      
16 A" 1203 1157 3.93      
17 A" 851 818 1.65      
18 A" 260 250 0.67      

Unscaled Zero Point Vibrational Energy (zpe) 15109.4 cm-1
Scaled (by 0.962) Zero Point Vibrational Energy (zpe) 14535.2 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/3-21G*
ABC
1.17522 0.30620 0.26743

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.571 0.000
C2 1.139 -0.444 0.000
F3 -1.245 -0.122 0.000
H4 0.055 1.210 0.889
H5 0.055 1.210 -0.889
H6 2.106 0.070 0.000
H7 1.076 -1.079 0.888
H8 1.076 -1.079 -0.888

Atom - Atom Distances (Å)
  C1 C2 F3 H4 H5 H6 H7 H8
C11.52571.42481.09641.09642.16452.16092.1609
C21.52572.40572.16832.16831.09451.09381.0938
F31.42482.40572.06302.06303.35602.66252.6625
H41.09642.16832.06301.77832.50912.50693.0727
H51.09642.16832.06301.77832.50913.07272.5069
H62.16451.09453.35602.50912.50911.78061.7806
H72.16091.09382.66252.50693.07271.78061.7755
H82.16091.09382.66253.07272.50691.78061.7755

picture of fluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 110.314 C1 C2 H7 110.070
C1 C2 H8 110.070 C2 C1 F3 109.196
C2 C1 H4 110.497 C2 C1 H5 110.497
F3 C1 H4 109.124 F3 C1 H5 109.124
H4 C1 H5 108.373 H6 C2 H7 108.919
H6 C2 H8 108.919 H7 C2 H8 108.509
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.068      
2 C -0.603      
3 F -0.304      
4 H 0.184      
5 H 0.184      
6 H 0.190      
7 H 0.209      
8 H 0.209      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.687 0.733 0.000 1.839
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.459 -0.213 0.000
y -0.213 -17.824 0.000
z 0.000 0.000 -18.026
Traceless
 xyz
x -2.534 -0.213 0.000
y -0.213 1.418 0.000
z 0.000 0.000 1.116
Polar
3z2-r22.231
x2-y2-2.635
xy-0.213
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.260 -0.008 0.000
y -0.008 3.184 0.000
z 0.000 0.000 3.061


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