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All results from a given calculation for C2H5F (fluoroethane)

using model chemistry: CID/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 CID/6-31G*
 hartrees
Energy at 0K-178.489372
Energy at 298.15K-178.495027
HF Energy-178.076869
Nuclear repulsion energy79.391999
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 CID/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3233 2986 24.91      
2 A' 3162 2921 30.83      
3 A' 3152 2912 19.02      
4 A' 1618 1494 0.21      
5 A' 1584 1463 2.31      
6 A' 1520 1404 34.31      
7 A' 1481 1368 4.68      
8 A' 1196 1105 44.44      
9 A' 1144 1057 50.19      
10 A' 947 875 13.14      
11 A' 424 391 6.70      
12 A" 3246 2999 38.15      
13 A" 3208 2963 27.29      
14 A" 1567 1448 4.61      
15 A" 1361 1257 0.01      
16 A" 1257 1161 5.58      
17 A" 848 783 0.33      
18 A" 275 254 0.79      

Unscaled Zero Point Vibrational Energy (zpe) 15611.1 cm-1
Scaled (by 0.9237) Zero Point Vibrational Energy (zpe) 14420.0 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 CID/6-31G*
ABC
1.20850 0.31576 0.27627

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.561 0.000
C2 1.119 -0.452 0.000
F3 -1.220 -0.103 0.000
H4 0.032 1.196 0.886
H5 0.032 1.196 -0.886
H6 2.088 0.050 0.000
H7 1.055 -1.085 0.884
H8 1.055 -1.085 -0.884

Atom - Atom Distances (Å)
  C1 C2 F3 H4 H5 H6 H7 H8
C11.50971.38871.09061.09062.14982.14602.1460
C21.50972.36542.16392.16391.09101.08941.0894
F31.38872.36542.00992.00993.31162.63142.6314
H41.09062.16392.00991.77222.51482.50003.0633
H51.09062.16392.00991.77222.51483.06332.5000
H62.14981.09103.31162.51482.51481.77121.7712
H72.14601.08942.63142.50003.06331.77121.7683
H82.14601.08942.63143.06332.50001.77121.7683

picture of fluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 110.471 C1 C2 H7 110.265
C1 C2 H8 110.265 C2 C1 F3 109.324
C2 C1 H4 111.629 C2 C1 H5 111.629
F3 C1 H4 107.714 F3 C1 H5 107.714
H4 C1 H5 108.677 H6 C2 H7 108.642
H6 C2 H8 108.642 H7 C2 H8 108.501
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability