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All results from a given calculation for C2H5F (fluoroethane)

using model chemistry: B3LYP/CEP-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 B3LYP/CEP-31G*
 hartrees
Energy at 0K-38.496841
Energy at 298.15K-38.502360
Nuclear repulsion energy46.426458
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/CEP-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' 3119 3012 51.55      
2 A' 3056 2951 35.88      
3 A' 3050 2946 37.89      
4 A' 1519 1467 0.71      
5 A' 1495 1444 1.97      
6 A' 1429 1380 31.82      
7 A' 1389 1341 2.82      
8 A' 1116 1077 32.17      
9 A' 1055 1019 82.88      
10 A' 877 847 15.65      
11 A' 395 382 6.36      
12 A" 3138 3031 75.08      
13 A" 3100 2994 27.09      
14 A" 1479 1428 5.46      
15 A" 1279 1235 0.03      
16 A" 1176 1136 6.21      
17 A" 796 769 1.82      
18 A" 254 245 0.57      

Unscaled Zero Point Vibrational Energy (zpe) 14861.0 cm-1
Scaled (by 0.9657) Zero Point Vibrational Energy (zpe) 14351.3 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/CEP-31G*
ABC
1.17626 0.30456 0.26684

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.569 0.000
C2 1.141 -0.460 0.000
F3 -1.242 -0.104 0.000
H4 0.024 1.209 0.900
H5 0.024 1.209 -0.900
H6 2.117 0.061 0.000
H7 1.085 -1.100 0.896
H8 1.085 -1.100 -0.896

Atom - Atom Distances (Å)
  C1 C2 F3 H4 H5 H6 H7 H8
C11.53571.41241.10481.10482.17672.18302.1830
C21.53572.40912.19992.19991.10611.10331.1033
F31.41242.40912.03392.03393.36272.68512.6851
H41.10482.19992.03391.80082.55062.54063.1118
H51.10482.19992.03391.80082.55063.11182.5406
H62.17671.10613.36272.55062.55061.79361.7936
H72.18301.10332.68512.54063.11181.79361.7930
H82.18301.10332.68513.11182.54061.79361.7930

picture of fluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 109.892 C1 C2 H7 110.554
C1 C2 H8 110.554 C2 C1 F3 109.528
C2 C1 H4 111.803 C2 C1 H5 111.803
F3 C1 H4 107.165 F3 C1 H5 107.165
H4 C1 H5 109.165 H6 C2 H7 108.547
H6 C2 H8 108.547 H7 C2 H8 108.690
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.154      
2 C -0.379      
3 F -0.239      
4 H 0.158      
5 H 0.158      
6 H 0.139      
7 H 0.159      
8 H 0.159      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.962 0.806 0.000 2.121
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.616 -0.142 0.000
y -0.142 -17.695 0.000
z 0.000 0.000 -17.718
Traceless
 xyz
x -2.909 -0.142 0.000
y -0.142 1.472 0.000
z 0.000 0.000 1.437
Polar
3z2-r22.875
x2-y2-2.921
xy-0.142
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.613 -0.187 0.000
y -0.187 3.425 0.000
z 0.000 0.000 3.137


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