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All results from a given calculation for C2H5F (fluoroethane)

using model chemistry: wB97X-D/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 wB97X-D/6-31G*
 hartrees
Energy at 0K-179.003303
Energy at 298.15K-179.008888
HF Energy-179.003303
Nuclear repulsion energy 
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 wB97X-D/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' 3165 3002 25.58      
2 A' 3082 2924 8.99      
3 A' 3067 2909 51.76      
4 A' 1559 1479 0.57      
5 A' 1531 1452 2.26      
6 A' 1472 1396 35.45      
7 A' 1433 1360 2.91      
8 A' 1162 1102 46.15      
9 A' 1102 1045 53.47      
10 A' 920 872 10.67      
11 A' 415 394 5.80      
12 A" 3171 3008 34.30      
13 A" 3113 2952 39.96      
14 A" 1517 1439 5.29      
15 A" 1325 1257 0.02      
16 A" 1209 1147 5.38      
17 A" 816 774 0.73      
18 A" 257 244 0.62      

Unscaled Zero Point Vibrational Energy (zpe) 15157.1 cm-1
Scaled (by 0.9485) Zero Point Vibrational Energy (zpe) 14376.5 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 wB97X-D/6-31G*
ABC
1.21225 0.31329 0.27477

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.552 0.000
C2 1.115 -0.467 0.000
F3 -1.226 -0.081 0.000
H4 0.071 1.194 0.888
H5 0.071 1.194 -0.888
H6 2.086 0.040 0.000
H7 1.057 -1.105 0.887
H8 1.057 -1.105 -0.887

Atom - Atom Distances (Å)
  C1 C2 F3 H4 H5 H6 H7 H8
C11.51101.38011.09771.09772.14822.15672.1567
C21.51102.37312.15352.15351.09491.09421.0942
F31.38012.37312.02392.02393.31442.65502.6550
H41.09772.15352.02391.77572.48632.50153.0672
H51.09772.15352.02391.77572.48633.06722.5015
H62.14821.09493.31442.48632.48631.77621.7762
H72.15671.09422.65502.50153.06721.77621.7743
H82.15671.09422.65503.06722.50151.77621.7743

picture of fluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 110.025 C1 C2 H7 110.739
C1 C2 H8 110.739 C2 C1 F3 110.256
C2 C1 H4 110.278 C2 C1 H5 110.278
F3 C1 H4 109.006 F3 C1 H5 109.006
H4 C1 H5 107.967 H6 C2 H7 108.465
H6 C2 H8 108.465 H7 C2 H8 108.336
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.028      
2 C -0.534      
3 F -0.325      
4 H 0.150      
5 H 0.150      
6 H 0.166      
7 H 0.183      
8 H 0.183      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.635 0.654 0.000 1.761
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.187 -0.134 0.000
y -0.134 -17.771 0.000
z 0.000 0.000 -17.872
Traceless
 xyz
x -2.365 -0.134 0.000
y -0.134 1.258 0.000
z 0.000 0.000 1.107
Polar
3z2-r22.214
x2-y2-2.416
xy-0.134
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.465 -0.068 0.000
y -0.068 3.476 0.000
z 0.000 0.000 3.380


<r2> (average value of r2) Å2
<r2> 50.922
(<r2>)1/2 7.136