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All results from a given calculation for C2H5F (fluoroethane)

using model chemistry: B2PLYP/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 B2PLYP/6-31G*
 hartrees
Energy at 0K-178.867824
Energy at 298.15K-178.873431
HF Energy-178.726713
Nuclear repulsion energy79.107423
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 B2PLYP/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3169 3008 25.94      
2 A' 3093 2936 7.19      
3 A' 3087 2930 47.93      
4 A' 1579 1499 0.21      
5 A' 1550 1472 2.11      
6 A' 1476 1401 32.88      
7 A' 1445 1371 3.86      
8 A' 1159 1100 29.68      
9 A' 1097 1042 59.47      
10 A' 916 870 13.37      
11 A' 410 389 5.88      
12 A" 3182 3020 35.98      
13 A" 3132 2973 34.85      
14 A" 1534 1456 4.37      
15 A" 1327 1260 0.00      
16 A" 1222 1160 4.91      
17 A" 829 787 0.45      
18 A" 273 259 0.66      

Unscaled Zero Point Vibrational Energy (zpe) 15239.8 cm-1
Scaled (by 0.9492) Zero Point Vibrational Energy (zpe) 14465.6 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 B2PLYP/6-31G*
ABC
1.20317 0.31305 0.27406

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.555 0.000
C2 1.118 -0.462 0.000
F3 -1.228 -0.089 0.000
H4 0.068 1.196 0.886
H5 0.068 1.196 -0.886
H6 2.087 0.045 0.000
H7 1.060 -1.099 0.886
H8 1.060 -1.099 -0.886

Atom - Atom Distances (Å)
  C1 C2 F3 H4 H5 H6 H7 H8
C11.51101.38641.09621.09622.14872.15472.1547
C21.51102.37582.15312.15311.09381.09281.0928
F31.38642.37582.02902.02903.31832.65372.6537
H41.09622.15312.02901.77282.48732.50003.0645
H51.09622.15312.02901.77282.48733.06452.5000
H62.14871.09383.31832.48732.48731.77451.7745
H72.15471.09282.65372.50003.06451.77451.7719
H82.15471.09282.65373.06452.50001.77451.7719

picture of fluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 110.124 C1 C2 H7 110.667
C1 C2 H8 110.667 C2 C1 F3 110.091
C2 C1 H4 110.328 C2 C1 H5 110.328
F3 C1 H4 109.068 F3 C1 H5 109.068
H4 C1 H5 107.911 H6 C2 H7 108.492
H6 C2 H8 108.492 H7 C2 H8 108.330
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.060      
2 C -0.490      
3 F -0.335      
4 H 0.138      
5 H 0.138      
6 H 0.152      
7 H 0.169      
8 H 0.169      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.639 0.678 0.000 1.774
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.388 -0.142 0.000
y -0.142 -17.970 0.000
z 0.000 0.000 -18.073
Traceless
 xyz
x -2.367 -0.142 0.000
y -0.142 1.260 0.000
z 0.000 0.000 1.106
Polar
3z2-r22.213
x2-y2-2.418
xy-0.142
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.451 -0.052 0.000
y -0.052 3.421 0.000
z 0.000 0.000 3.324


<r2> (average value of r2) Å2
<r2> 51.111
(<r2>)1/2 7.149