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All results from a given calculation for C2H5F (fluoroethane)

using model chemistry: PBEPBE/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 PBEPBE/6-311G*
 hartrees
Energy at 0K-178.890652
Energy at 298.15K-178.896188
Nuclear repulsion energy78.670183
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 PBEPBE/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' 3049 3017 30.45      
2 A' 2977 2946 11.44      
3 A' 2961 2931 54.39      
4 A' 1488 1473 1.37      
5 A' 1466 1451 1.65      
6 A' 1394 1379 31.63      
7 A' 1364 1350 3.27      
8 A' 1103 1091 21.06      
9 A' 1039 1028 77.44      
10 A' 870 861 16.56      
11 A' 398 394 5.76      
12 A" 3061 3029 42.16      
13 A" 3003 2971 34.49      
14 A" 1450 1435 7.56      
15 A" 1269 1255 0.00      
16 A" 1157 1145 4.91      
17 A" 793 785 0.93      
18 A" 266 263 0.54      

Unscaled Zero Point Vibrational Energy (zpe) 14553.1 cm-1
Scaled (by 0.9896) Zero Point Vibrational Energy (zpe) 14401.7 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 PBEPBE/6-311G*
ABC
1.19670 0.30906 0.27108

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.560 0.000
C2 1.131 -0.446 0.000
F3 -1.235 -0.109 0.000
H4 0.029 1.203 0.897
H5 0.029 1.203 -0.897
H6 2.106 0.067 0.000
H7 1.081 -1.089 0.891
H8 1.081 -1.089 -0.891

Atom - Atom Distances (Å)
  C1 C2 F3 H4 H5 H6 H7 H8
C11.51381.40431.10371.10372.16322.16352.1635
C21.51382.38962.17682.17681.10211.10021.1002
F31.40432.38962.03002.03003.34562.66732.6673
H41.10372.17682.03001.79372.53192.52143.0912
H51.10372.17682.03001.79372.53193.09122.5214
H62.16321.10213.34562.53192.53191.78421.7842
H72.16351.10022.66732.52143.09121.78421.7829
H82.16351.10022.66733.09122.52141.78421.7829

picture of fluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 110.589 C1 C2 H7 110.726
C1 C2 H8 110.726 C2 C1 F3 109.890
C2 C1 H4 111.569 C2 C1 H5 111.569
F3 C1 H4 107.473 F3 C1 H5 107.473
H4 C1 H5 108.696 H6 C2 H7 108.228
H6 C2 H8 108.228 H7 C2 H8 108.251
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.127      
2 C -0.674      
3 F -0.251      
4 H 0.194      
5 H 0.194      
6 H 0.212      
7 H 0.226      
8 H 0.226      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.643 0.695 0.000 1.784
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.724 -0.117 0.000
y -0.117 -18.337 0.000
z 0.000 0.000 -18.301
Traceless
 xyz
x -2.404 -0.117 0.000
y -0.117 1.175 0.000
z 0.000 0.000 1.229
Polar
3z2-r22.458
x2-y2-2.387
xy-0.117
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.892 -0.138 0.000
y -0.138 3.827 0.000
z 0.000 0.000 3.604


<r2> (average value of r2) Å2
<r2> 51.760
(<r2>)1/2 7.194