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All results from a given calculation for C2H5F (fluoroethane)

using model chemistry: BLYP/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 BLYP/6-31G**
 hartrees
Energy at 0K-178.995593
Energy at 298.15K-179.001119
Nuclear repulsion energy78.321805
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 BLYP/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' 3046 3022 29.88      
2 A' 2977 2954 12.01      
3 A' 2945 2922 52.48      
4 A' 1501 1489 0.26      
5 A' 1476 1464 1.75      
6 A' 1402 1391 29.17      
7 A' 1377 1367 2.06      
8 A' 1102 1093 24.61      
9 A' 1027 1019 63.08      
10 A' 868 861 12.76      
11 A' 393 390 5.07      
12 A" 3058 3034 36.64      
13 A" 2982 2959 45.25      
14 A" 1462 1450 3.47      
15 A" 1265 1256 0.01      
16 A" 1164 1155 4.01      
17 A" 795 789 0.64      
18 A" 265 263 0.52      

Unscaled Zero Point Vibrational Energy (zpe) 14550.9 cm-1
Scaled (by 0.9923) Zero Point Vibrational Energy (zpe) 14438.9 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 BLYP/6-31G**
ABC
1.18507 0.30603 0.26816

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.564 0.000
C2 1.136 -0.455 0.000
F3 -1.241 -0.104 0.000
H4 0.042 1.211 0.895
H5 0.042 1.211 -0.895
H6 2.112 0.057 0.000
H7 1.082 -1.097 0.893
H8 1.082 -1.097 -0.893

Atom - Atom Distances (Å)
  C1 C2 F3 H4 H5 H6 H7 H8
C11.52611.40981.10541.10542.17162.17382.1738
C21.52612.40312.18512.18511.10231.10071.1007
F31.40982.40312.04392.04393.35702.67942.6794
H41.10542.18512.04391.79082.53312.53113.0991
H51.10542.18512.04391.79082.53313.09912.5311
H62.17161.10233.35702.53312.53311.78621.7862
H72.17381.10072.67942.53113.09911.78621.7855
H82.17381.10072.67943.09912.53111.78621.7855

picture of fluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 110.378 C1 C2 H7 110.648
C1 C2 H8 110.648 C2 C1 F3 109.805
C2 C1 H4 111.266 C2 C1 H5 111.266
F3 C1 H4 108.095 F3 C1 H5 108.095
H4 C1 H5 108.202 H6 C2 H7 108.346
H6 C2 H8 108.346 H7 C2 H8 108.398
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.136      
2 C -0.308      
3 F -0.298      
4 H 0.079      
5 H 0.079      
6 H 0.093      
7 H 0.110      
8 H 0.110      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.520 0.588 0.000 1.630
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.177 -0.179 0.000
y -0.179 -17.997 0.000
z 0.000 0.000 -18.127
Traceless
 xyz
x -2.114 -0.179 0.000
y -0.179 1.155 0.000
z 0.000 0.000 0.960
Polar
3z2-r21.919
x2-y2-2.179
xy-0.179
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.711 -0.083 0.000
y -0.083 3.633 0.000
z 0.000 0.000 3.485


<r2> (average value of r2) Å2
<r2> 51.925
(<r2>)1/2 7.206