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All results from a given calculation for C2H5F (fluoroethane)

using model chemistry: HF/LANL2DZ

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/LANL2DZ
 hartrees
Energy at 0K-178.062522
Energy at 298.15K-178.068173
Nuclear repulsion energy78.487966
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/LANL2DZ
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' 3303 2972 83.59      
2 A' 3286 2957 20.10      
3 A' 3214 2893 26.25      
4 A' 1668 1501 1.93      
5 A' 1650 1485 6.18      
6 A' 1577 1419 20.37      
7 A' 1535 1381 14.67      
8 A' 1222 1099 19.35      
9 A' 1131 1017 78.14      
10 A' 930 837 45.67      
11 A' 425 382 10.92      
12 A" 3358 3022 75.81      
13 A" 3311 2980 16.94      
14 A" 1629 1466 7.84      
15 A" 1400 1260 0.03      
16 A" 1282 1153 8.51      
17 A" 898 808 1.10      
18 A" 252 226 1.16      

Unscaled Zero Point Vibrational Energy (zpe) 16034.0 cm-1
Scaled (by 0.8999) Zero Point Vibrational Energy (zpe) 14429.0 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/LANL2DZ
ABC
1.18683 0.30698 0.26818

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/LANL2DZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.574 0.000
C2 1.147 -0.418 0.000
F3 -1.240 -0.148 0.000
H4 -0.013 1.193 0.884
H5 -0.013 1.193 -0.884
H6 2.094 0.111 0.000
H7 1.106 -1.050 0.878
H8 1.106 -1.050 -0.878

Atom - Atom Distances (Å)
  C1 C2 F3 H4 H5 H6 H7 H8
C11.51721.43541.07921.07922.14482.15192.1519
C21.51722.40312.17362.17361.08471.08221.0822
F31.43542.40312.02172.02173.34472.66252.6625
H41.07922.17362.02171.76792.52832.50623.0637
H51.07922.17362.02171.76792.52833.06372.5062
H62.14481.08473.34472.52832.52831.75921.7592
H72.15191.08222.66252.50623.06371.75921.7563
H82.15191.08222.66253.06372.50621.75921.7563

picture of fluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 109.925 C1 C2 H7 110.642
C1 C2 H8 110.642 C2 C1 F3 108.921
C2 C1 H4 112.595 C2 C1 H5 112.595
F3 C1 H4 106.161 F3 C1 H5 106.161
H4 C1 H5 109.994 H6 C2 H7 108.550
H6 C2 H8 108.550 H7 C2 H8 108.471
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.046      
2 C -0.532      
3 F -0.409      
4 H 0.167      
5 H 0.167      
6 H 0.168      
7 H 0.196      
8 H 0.196      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.583 1.235 0.000 2.863
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.910 -0.710 0.000
y -0.710 -17.803 0.000
z 0.000 0.000 -17.976
Traceless
 xyz
x -4.021 -0.710 0.000
y -0.710 2.140 0.000
z 0.000 0.000 1.881
Polar
3z2-r23.761
x2-y2-4.108
xy-0.710
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.228 0.047 0.000
y 0.047 3.042 0.000
z 0.000 0.000 2.958


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