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All results from a given calculation for C2H5F (fluoroethane)

using model chemistry: B3PW91/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 B3PW91/cc-pVDZ
 hartrees
Energy at 0K-179.002018
Energy at 298.15K-179.007592
Nuclear repulsion energy79.024960
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 B3PW91/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' 3139 3029 20.12      
2 A' 3052 2945 8.11      
3 A' 3037 2930 49.39      
4 A' 1494 1441 0.47      
5 A' 1472 1421 1.40      
6 A' 1416 1367 32.82      
7 A' 1376 1328 0.96      
8 A' 1125 1086 42.82      
9 A' 1091 1052 61.74      
10 A' 898 866 13.03      
11 A' 407 393 5.57      
12 A" 3148 3038 26.89      
13 A" 3084 2976 34.23      
14 A" 1450 1399 5.54      
15 A" 1289 1244 0.12      
16 A" 1174 1133 5.63      
17 A" 808 780 1.13      
18 A" 261 252 0.57      

Unscaled Zero Point Vibrational Energy (zpe) 14859.7 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 14339.6 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 B3PW91/cc-pVDZ
ABC
1.20858 0.31179 0.27374

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.554 0.000
C2 1.123 -0.455 0.000
F3 -1.228 -0.096 0.000
H4 0.040 1.201 0.894
H5 0.040 1.201 -0.894
H6 2.098 0.059 0.000
H7 1.070 -1.097 0.892
H8 1.070 -1.097 -0.892

Atom - Atom Distances (Å)
  C1 C2 F3 H4 H5 H6 H7 H8
C11.50961.38971.10411.10412.15532.16082.1608
C21.50962.37842.17102.17101.10171.10071.1007
F31.38972.37842.02202.02203.32942.66142.6614
H41.10412.17102.02201.78852.51762.51843.0877
H51.10412.17102.02201.78852.51763.08772.5184
H62.15531.10173.32942.51762.51761.78521.7852
H72.16081.10072.66142.51843.08771.78521.7845
H82.16081.10072.66143.08772.51841.78521.7845

picture of fluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 110.277 C1 C2 H7 110.776
C1 C2 H8 110.776 C2 C1 F3 110.166
C2 C1 H4 111.378 C2 C1 H5 111.378
F3 C1 H4 107.802 F3 C1 H5 107.802
H4 C1 H5 108.171 H6 C2 H7 108.305
H6 C2 H8 108.305 H7 C2 H8 108.316
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.158      
2 C -0.131      
3 F -0.257      
4 H 0.036      
5 H 0.036      
6 H 0.044      
7 H 0.058      
8 H 0.058      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.633 0.651 0.000 1.759
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.287 -0.143 0.000
y -0.143 -17.899 0.000
z 0.000 0.000 -17.976
Traceless
 xyz
x -2.349 -0.143 0.000
y -0.143 1.232 0.000
z 0.000 0.000 1.117
Polar
3z2-r22.234
x2-y2-2.388
xy-0.143
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.678 -0.129 0.000
y -0.129 3.648 0.000
z 0.000 0.000 3.446


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