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All results from a given calculation for C2H5F (fluoroethane)

using model chemistry: HF/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/cc-pVDZ
 hartrees
Energy at 0K-178.090038
Energy at 298.15K-178.095745
Nuclear repulsion energy79.663153
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 HF/cc-pVDZ
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' 3264 2964 41.97      
2 A' 3216 2920 37.68      
3 A' 3185 2892 23.54      
4 A' 1629 1479 0.11      
5 A' 1601 1453 2.91      
6 A' 1551 1409 34.55      
7 A' 1503 1365 1.66      
8 A' 1214 1102 56.63      
9 A' 1161 1054 72.68      
10 A' 958 870 22.28      
11 A' 438 398 7.33      
12 A" 3283 2981 77.96      
13 A" 3255 2955 6.52      
14 A" 1576 1431 4.29      
15 A" 1400 1271 0.65      
16 A" 1284 1166 7.04      
17 A" 867 788 0.17      
18 A" 276 250 1.00      

Unscaled Zero Point Vibrational Energy (zpe) 15829.9 cm-1
Scaled (by 0.908) Zero Point Vibrational Energy (zpe) 14373.5 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 HF/cc-pVDZ
ABC
1.22268 0.31699 0.27798

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.555 0.000
C2 1.113 -0.464 0.000
F3 -1.216 -0.085 0.000
H4 0.038 1.189 0.886
H5 0.038 1.189 -0.886
H6 2.083 0.039 0.000
H7 1.051 -1.099 0.885
H8 1.051 -1.099 -0.885

Atom - Atom Distances (Å)
  C1 C2 F3 H4 H5 H6 H7 H8
C11.50921.37391.09061.09062.14582.15052.1505
C21.50922.35972.16222.16221.09241.09121.0912
F31.37392.35971.99541.99543.30102.63662.6366
H41.09062.16221.99541.77232.50792.50273.0662
H51.09062.16221.99541.77232.50793.06622.5027
H62.14581.09243.30102.50792.50791.77291.7729
H72.15051.09122.63662.50273.06621.77291.7706
H82.15051.09122.63663.06622.50271.77291.7706

picture of fluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 110.104 C1 C2 H7 110.550
C1 C2 H8 110.550 C2 C1 F3 109.772
C2 C1 H4 111.535 C2 C1 H5 111.535
F3 C1 H4 107.574 F3 C1 H5 107.574
H4 C1 H5 108.689 H6 C2 H7 108.565
H6 C2 H8 108.565 H7 C2 H8 108.446
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.279      
2 C -0.098      
3 F -0.352      
4 H 0.024      
5 H 0.024      
6 H 0.030      
7 H 0.046      
8 H 0.046      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.866 0.790 0.000 2.027
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.933 -0.185 0.000
y -0.185 -17.987 0.000
z 0.000 0.000 -18.050
Traceless
 xyz
x -2.914 -0.185 0.000
y -0.185 1.504 0.000
z 0.000 0.000 1.410
Polar
3z2-r22.820
x2-y2-2.946
xy-0.185
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.421 -0.095 0.000
y -0.095 3.439 0.000
z 0.000 0.000 3.293


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