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All results from a given calculation for C2H5F (fluoroethane)

using model chemistry: HF/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/6-31G**
 hartrees
Energy at 0K-178.085402
Energy at 298.15K-178.091110
Nuclear repulsion energy79.808509
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 HF/6-31G**
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' 3262 2945 45.32      
2 A' 3214 2901 40.13      
3 A' 3191 2880 22.41      
4 A' 1665 1503 0.42      
5 A' 1629 1471 2.22      
6 A' 1576 1422 34.87      
7 A' 1533 1383 2.69      
8 A' 1236 1115 61.19      
9 A' 1166 1053 59.40      
10 A' 967 873 15.88      
11 A' 440 397 7.27      
12 A" 3280 2960 79.81      
13 A" 3251 2935 13.65      
14 A" 1609 1453 3.09      
15 A" 1415 1277 0.36      
16 A" 1303 1176 6.42      
17 A" 873 788 0.06      
18 A" 274 248 0.92      

Unscaled Zero Point Vibrational Energy (zpe) 15942.1 cm-1
Scaled (by 0.9026) Zero Point Vibrational Energy (zpe) 14389.4 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 HF/6-31G**
ABC
1.22635 0.31781 0.27843

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.557 0.000
C2 1.112 -0.467 0.000
F3 -1.214 -0.083 0.000
H4 0.042 1.188 0.880
H5 0.042 1.188 -0.880
H6 2.079 0.028 0.000
H7 1.047 -1.098 0.880
H8 1.047 -1.098 -0.880

Atom - Atom Distances (Å)
  C1 C2 F3 H4 H5 H6 H7 H8
C11.51141.37241.08411.08412.14482.14662.1466
C21.51142.35792.15812.15811.08581.08431.0843
F31.37242.35791.99201.99203.29472.63062.6306
H41.08412.15811.99201.76092.50352.49673.0548
H51.08412.15811.99201.76092.50353.05482.4967
H62.14481.08583.29472.50352.50351.76161.7616
H72.14661.08432.63062.49673.05481.76161.7593
H82.14661.08432.63063.05482.49671.76161.7593

picture of fluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 110.267 C1 C2 H7 110.499
C1 C2 H8 110.499 C2 C1 F3 109.607
C2 C1 H4 111.445 C2 C1 H5 111.445
F3 C1 H4 107.797 F3 C1 H5 107.797
H4 C1 H5 108.612 H6 C2 H7 108.539
H6 C2 H8 108.539 H7 C2 H8 108.434
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.212      
2 C -0.376      
3 F -0.417      
4 H 0.102      
5 H 0.102      
6 H 0.113      
7 H 0.132      
8 H 0.132      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.810 0.761 0.000 1.964
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.724 -0.180 0.000
y -0.180 -17.920 0.000
z 0.000 0.000 -18.068
Traceless
 xyz
x -2.730 -0.180 0.000
y -0.180 1.477 0.000
z 0.000 0.000 1.253
Polar
3z2-r22.506
x2-y2-2.804
xy-0.180
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.323 -0.061 0.000
y -0.061 3.365 0.000
z 0.000 0.000 3.299


<r2> (average value of r2) Å2
<r2> 50.576
(<r2>)1/2 7.112