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All results from a given calculation for C2H5F (fluoroethane)

using model chemistry: HSEh1PBE/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 HSEh1PBE/cc-pVTZ
 hartrees
Energy at 0K-178.947642
Energy at 298.15K-178.953225
HF Energy-178.947642
Nuclear repulsion energy79.450798
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 HSEh1PBE/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' 3131 3009 22.00      
2 A' 3055 2936 8.09      
3 A' 3046 2928 42.37      
4 A' 1518 1459 1.30      
5 A' 1493 1435 1.38      
6 A' 1426 1370 26.06      
7 A' 1395 1341 2.40      
8 A' 1135 1091 40.82      
9 A' 1091 1048 69.76      
10 A' 900 865 12.42      
11 A' 413 397 5.74      
12 A" 3141 3019 30.83      
13 A" 3088 2968 23.26      
14 A" 1474 1417 5.86      
15 A" 1305 1254 0.17      
16 A" 1189 1143 5.07      
17 A" 810 778 1.02      
18 A" 253 243 0.50      

Unscaled Zero Point Vibrational Energy (zpe) 14931.1 cm-1
Scaled (by 0.9611) Zero Point Vibrational Energy (zpe) 14350.2 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 HSEh1PBE/cc-pVTZ
ABC
1.22297 0.31463 0.27623

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.553 0.000
C2 1.120 -0.451 0.000
F3 -1.223 -0.098 0.000
H4 0.033 1.191 0.887
H5 0.033 1.191 -0.887
H6 2.083 0.063 0.000
H7 1.069 -1.086 0.885
H8 1.069 -1.086 -0.885

Atom - Atom Distances (Å)
  C1 C2 F3 H4 H5 H6 H7 H8
C11.50391.38521.09341.09342.13962.14752.1475
C21.50392.36882.15952.15951.09201.09051.0905
F31.38522.36882.00652.00653.30942.64802.6480
H41.09342.15952.00651.77492.50182.50093.0656
H51.09342.15952.00651.77492.50183.06562.5009
H62.13961.09203.30942.50182.50181.76961.7696
H72.14751.09052.64802.50093.06561.76961.7709
H82.14751.09052.64803.06562.50091.76961.7709

picture of fluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 110.008 C1 C2 H7 110.733
C1 C2 H8 110.733 C2 C1 F3 110.087
C2 C1 H4 111.517 C2 C1 H5 111.517
F3 C1 H4 107.521 F3 C1 H5 107.521
H4 C1 H5 108.510 H6 C2 H7 108.354
H6 C2 H8 108.354 H7 C2 H8 108.586
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.128      
2 C -0.294      
3 F -0.243      
4 H 0.056      
5 H 0.056      
6 H 0.088      
7 H 0.104      
8 H 0.104      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.686 0.672 0.000 1.815
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.586 -0.216 0.000
y -0.216 -18.141 0.000
z 0.000 0.000 -18.147
Traceless
 xyz
x -2.442 -0.216 0.000
y -0.216 1.225 0.000
z 0.000 0.000 1.217
Polar
3z2-r22.434
x2-y2-2.445
xy-0.216
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.114 -0.141 0.000
y -0.141 4.020 0.000
z 0.000 0.000 3.772


<r2> (average value of r2) Å2
<r2> 50.925
(<r2>)1/2 7.136