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All results from a given calculation for C2H5F (fluoroethane)

using model chemistry: B1B95/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/cc-pVTZ
 hartrees
Energy at 0K-179.053520
Energy at 298.15K-179.059100
Nuclear repulsion energy79.601980
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 B1B95/cc-pVTZ
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' 3142 3007 23.21      
2 A' 3065 2934 7.70      
3 A' 3059 2928 43.25      
4 A' 1524 1459 1.02      
5 A' 1499 1434 1.32      
6 A' 1429 1367 26.18      
7 A' 1397 1337 1.75      
8 A' 1137 1088 44.81      
9 A' 1093 1046 66.41      
10 A' 901 863 12.06      
11 A' 410 392 5.78      
12 A" 3152 3017 32.45      
13 A" 3101 2968 23.09      
14 A" 1480 1416 5.38      
15 A" 1307 1251 0.23      
16 A" 1190 1139 4.98      
17 A" 809 774 0.87      
18 A" 252 242 0.51      

Unscaled Zero Point Vibrational Energy (zpe) 14973.9 cm-1
Scaled (by 0.9571) Zero Point Vibrational Energy (zpe) 14331.6 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 B1B95/cc-pVTZ
ABC
1.22651 0.31588 0.27722

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.553 0.000
C2 1.118 -0.451 0.000
F3 -1.220 -0.098 0.000
H4 0.033 1.188 0.885
H5 0.033 1.188 -0.885
H6 2.078 0.062 0.000
H7 1.066 -1.083 0.883
H8 1.066 -1.083 -0.883

Atom - Atom Distances (Å)
  C1 C2 F3 H4 H5 H6 H7 H8
C11.50221.38321.09001.09002.13552.14302.1430
C21.50222.36452.15582.15581.08881.08731.0873
F31.38322.36452.00212.00213.30252.64142.6414
H41.09002.15582.00211.77012.49742.49533.0583
H51.09002.15582.00211.77012.49743.05832.4953
H62.13551.08883.30252.49742.49741.76491.7649
H72.14301.08732.64142.49533.05831.76491.7662
H82.14301.08732.64143.05832.49531.76491.7662

picture of fluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 109.991 C1 C2 H7 110.676
C1 C2 H8 110.676 C2 C1 F3 109.993
C2 C1 H4 111.545 C2 C1 H5 111.545
F3 C1 H4 107.509 F3 C1 H5 107.509
H4 C1 H5 108.573 H6 C2 H7 108.400
H6 C2 H8 108.400 H7 C2 H8 108.631
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.093      
2 C -0.347      
3 F -0.242      
4 H 0.073      
5 H 0.073      
6 H 0.105      
7 H 0.122      
8 H 0.122      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.700 0.682 0.000 1.831
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.549 -0.227 0.000
y -0.227 -18.081 0.000
z 0.000 0.000 -18.097
Traceless
 xyz
x -2.460 -0.227 0.000
y -0.227 1.242 0.000
z 0.000 0.000 1.218
Polar
3z2-r22.436
x2-y2-2.468
xy-0.227
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.088 -0.140 0.000
y -0.140 3.996 0.000
z 0.000 0.000 3.751


<r2> (average value of r2) Å2
<r2> 50.743
(<r2>)1/2 7.123