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All results from a given calculation for C2H5F (fluoroethane)

using model chemistry: B3LYP/CEP-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 B3LYP/CEP-31G
 hartrees
Energy at 0K-38.460813
Energy at 298.15K-38.466307
Nuclear repulsion energy45.831340
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 B3LYP/CEP-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' 3129 3030 62.17      
2 A' 3074 2977 47.31      
3 A' 3046 2950 24.70      
4 A' 1522 1474 3.80      
5 A' 1507 1459 4.02      
6 A' 1432 1387 21.39      
7 A' 1397 1353 9.38      
8 A' 1120 1084 14.03      
9 A' 1029 997 61.31      
10 A' 849 822 28.74      
11 A' 385 373 8.67      
12 A" 3161 3062 107.47      
13 A" 3132 3033 1.97      
14 A" 1489 1442 8.34      
15 A" 1267 1227 1.04      
16 A" 1160 1123 6.01      
17 A" 819 793 3.74      
18 A" 241 234 0.71      

Unscaled Zero Point Vibrational Energy (zpe) 14879.1 cm-1
Scaled (by 0.9684) Zero Point Vibrational Energy (zpe) 14408.9 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 B3LYP/CEP-31G
ABC
1.13984 0.29662 0.25897

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.586 0.000
C2 1.168 -0.415 0.000
F3 -1.262 -0.163 0.000
H4 -0.019 1.217 0.904
H5 -0.019 1.217 -0.904
H6 2.132 0.129 0.000
H7 1.129 -1.057 0.896
H8 1.129 -1.057 -0.896

Atom - Atom Distances (Å)
  C1 C2 F3 H4 H5 H6 H7 H8
C11.53841.46791.10261.10262.18062.18542.1854
C21.53842.44362.21162.21161.10661.10261.1026
F31.46792.44362.06572.06573.40702.70542.7054
H41.10262.21162.06571.80792.57512.54753.1190
H51.10262.21162.06571.80792.57513.11902.5475
H62.18061.10663.40702.57512.57511.79271.7927
H72.18541.10262.70542.54753.11901.79271.7912
H82.18541.10262.70543.11902.54751.79271.7912

picture of fluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 109.988 C1 C2 H7 110.597
C1 C2 H8 110.597 C2 C1 F3 108.722
C2 C1 H4 112.693 C2 C1 H5 112.693
F3 C1 H4 106.076 F3 C1 H5 106.076
H4 C1 H5 110.137 H6 C2 H7 108.482
H6 C2 H8 108.482 H7 C2 H8 108.635
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.138      
2 C -0.357      
3 F -0.285      
4 H 0.164      
5 H 0.164      
6 H 0.134      
7 H 0.160      
8 H 0.160      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.448 1.137 0.000 2.700
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.344 -0.553 0.000
y -0.553 -17.603 0.000
z 0.000 0.000 -17.729
Traceless
 xyz
x -3.678 -0.553 0.000
y -0.553 1.934 0.000
z 0.000 0.000 1.745
Polar
3z2-r23.489
x2-y2-3.741
xy-0.553
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.583 -0.076 0.000
y -0.076 3.252 0.000
z 0.000 0.000 2.964


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