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All results from a given calculation for C2H5F (fluoroethane)

using model chemistry: HF/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 HF/6-311G**
 hartrees
Energy at 0K-178.129903
Energy at 298.15K-178.135620
Nuclear repulsion energy79.845339
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/6-311G**
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' 3237 2941 55.65      
2 A' 3204 2911 33.84      
3 A' 3170 2880 20.77      
4 A' 1649 1498 0.47      
5 A' 1618 1470 2.16      
6 A' 1567 1423 34.05      
7 A' 1520 1381 1.58      
8 A' 1224 1112 56.21      
9 A' 1158 1052 76.83      
10 A' 959 871 20.23      
11 A' 442 401 7.74      
12 A" 3262 2963 92.12      
13 A" 3233 2937 0.10      
14 A" 1595 1449 4.34      
15 A" 1414 1285 0.96      
16 A" 1295 1176 7.04      
17 A" 872 792 0.06      
18 A" 276 251 0.97      

Unscaled Zero Point Vibrational Energy (zpe) 15846.7 cm-1
Scaled (by 0.9085) Zero Point Vibrational Energy (zpe) 14396.8 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/6-311G**
ABC
1.22985 0.31778 0.27866

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.555 0.000
C2 1.112 -0.466 0.000
F3 -1.214 -0.082 0.000
H4 0.038 1.184 0.882
H5 0.038 1.184 -0.882
H6 2.077 0.032 0.000
H7 1.050 -1.097 0.880
H8 1.050 -1.097 -0.880

Atom - Atom Distances (Å)
  C1 C2 F3 H4 H5 H6 H7 H8
C11.51041.37121.08361.08362.14212.14642.1464
C21.51042.35782.15772.15771.08641.08471.0847
F31.37122.35781.98701.98703.29342.63222.6322
H41.08362.15771.98701.76352.50252.49533.0548
H51.08362.15771.98701.76352.50253.05482.4953
H62.14211.08643.29342.50252.50251.76271.7627
H72.14641.08472.63222.49533.05481.76271.7607
H82.14641.08472.63223.05482.49531.76271.7607

picture of fluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 110.091 C1 C2 H7 110.531
C1 C2 H8 110.531 C2 C1 F3 109.720
C2 C1 H4 111.513 C2 C1 H5 111.513
F3 C1 H4 107.504 F3 C1 H5 107.504
H4 C1 H5 108.923 H6 C2 H7 108.563
H6 C2 H8 108.563 H7 C2 H8 108.503
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.211      
2 C -0.285      
3 F -0.360      
4 H 0.072      
5 H 0.072      
6 H 0.086      
7 H 0.101      
8 H 0.101      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.896 0.809 0.000 2.061
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.994 -0.214 0.000
y -0.214 -18.011 0.000
z 0.000 0.000 -18.053
Traceless
 xyz
x -2.962 -0.214 0.000
y -0.214 1.512 0.000
z 0.000 0.000 1.450
Polar
3z2-r22.899
x2-y2-2.983
xy-0.214
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.476 -0.087 0.000
y -0.087 3.482 0.000
z 0.000 0.000 3.338


<r2> (average value of r2) Å2
<r2> 50.622
(<r2>)1/2 7.115