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All results from a given calculation for C2H5F (fluoroethane)

using model chemistry: B3PW91/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/6-31+G**
 hartrees
Energy at 0K-179.011959
Energy at 298.15K-179.017521
Nuclear repulsion energy78.941030
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 B3PW91/6-31+G**
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' 3139 3014 22.49      
2 A' 3064 2942 34.75      
3 A' 3058 2936 18.01      
4 A' 1518 1457 1.16      
5 A' 1500 1440 2.17      
6 A' 1427 1370 32.78      
7 A' 1393 1337 2.35      
8 A' 1126 1081 27.95      
9 A' 1072 1030 90.84      
10 A' 890 854 18.89      
11 A' 410 393 6.59      
12 A" 3155 3029 31.76      
13 A" 3113 2989 19.89      
14 A" 1482 1423 7.17      
15 A" 1295 1243 0.07      
16 A" 1182 1135 5.05      
17 A" 811 778 1.11      
18 A" 255 245 0.47      

Unscaled Zero Point Vibrational Energy (zpe) 14944.1 cm-1
Scaled (by 0.9601) Zero Point Vibrational Energy (zpe) 14347.8 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 B3PW91/6-31+G**
ABC
1.20936 0.31026 0.27239

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.557 0.000
C2 1.131 -0.444 0.000
F3 -1.232 -0.110 0.000
H4 0.018 1.194 0.892
H5 0.018 1.194 -0.892
H6 2.092 0.081 0.000
H7 1.086 -1.080 0.888
H8 1.086 -1.080 -0.888

Atom - Atom Distances (Å)
  C1 C2 F3 H4 H5 H6 H7 H8
C11.51031.40111.09571.09572.14592.15682.1568
C21.51032.38612.17132.17131.09571.09371.0937
F31.40112.38612.01462.01463.32982.66552.6655
H41.09572.17132.01461.78322.51682.51263.0792
H51.09572.17132.01461.78322.51683.07922.5126
H62.14591.09573.32982.51682.51681.77501.7750
H72.15681.09372.66552.51263.07921.77501.7765
H82.15681.09372.66553.07922.51261.77501.7765

picture of fluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 109.835 C1 C2 H7 110.823
C1 C2 H8 110.823 C2 C1 F3 110.027
C2 C1 H4 111.875 C2 C1 H5 111.875
F3 C1 H4 106.949 F3 C1 H5 106.949
H4 C1 H5 108.928 H6 C2 H7 108.333
H6 C2 H8 108.333 H7 C2 H8 108.619
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.002      
2 C -0.514      
3 F -0.310      
4 H 0.150      
5 H 0.150      
6 H 0.166      
7 H 0.180      
8 H 0.180      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.960 0.804 0.000 2.118
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.003 -0.369 0.000
y -0.369 -18.143 0.000
z 0.000 0.000 -18.205
Traceless
 xyz
x -2.829 -0.369 0.000
y -0.369 1.460 0.000
z 0.000 0.000 1.369
Polar
3z2-r22.737
x2-y2-2.860
xy-0.369
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.026 -0.081 0.000
y -0.081 3.885 0.000
z 0.000 0.000 3.657


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