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All results from a given calculation for C2H5F (fluoroethane)

using model chemistry: CCD/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 CCD/cc-pVDZ
 hartrees
Energy at 0K-178.598012
Energy at 298.15K-178.603617
HF Energy-178.089160
Nuclear repulsion energy78.901845
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 CCD/cc-pVDZ
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' 3167 3030 23.45      
2 A' 3081 2947 17.09      
3 A' 3074 2941 38.41      
4 A' 1531 1465 0.43      
5 A' 1504 1439 1.90      
6 A' 1453 1390 34.68      
7 A' 1406 1345 0.97      
8 A' 1153 1103 63.68      
9 A' 1116 1068 30.12      
10 A' 912 873 12.61      
11 A' 411 394 5.88      
12 A" 3176 3039 33.11      
13 A" 3127 2992 33.27      
14 A" 1483 1419 3.99      
15 A" 1314 1257 0.44      
16 A" 1203 1151 5.64      
17 A" 813 778 0.16      
18 A" 265 253 0.80      

Unscaled Zero Point Vibrational Energy (zpe) 15095.0 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 14441.4 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 CCD/cc-pVDZ
ABC
1.19846 0.31143 0.27313

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.558 0.000
C2 1.122 -0.466 0.000
F3 -1.228 -0.088 0.000
H4 0.048 1.203 0.897
H5 0.048 1.203 -0.897
H6 2.103 0.043 0.000
H7 1.058 -1.108 0.896
H8 1.058 -1.108 -0.896

Atom - Atom Distances (Å)
  C1 C2 F3 H4 H5 H6 H7 H8
C11.51961.38731.10561.10562.16482.16732.1673
C21.51962.38032.17862.17861.10461.10351.1035
F31.38732.38032.02422.02423.33282.65832.6583
H41.10562.17862.02421.79372.52462.52223.0942
H51.10562.17862.02421.79372.52463.09422.5222
H62.16481.10463.33282.52462.52461.79371.7937
H72.16731.10352.65832.52223.09421.79371.7911
H82.16731.10352.65833.09422.52221.79371.7911

picture of fluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 110.160 C1 C2 H7 110.421
C1 C2 H8 110.421 C2 C1 F3 109.850
C2 C1 H4 111.189 C2 C1 H5 111.189
F3 C1 H4 108.042 F3 C1 H5 108.042
H4 C1 H5 108.418 H6 C2 H7 108.645
H6 C2 H8 108.645 H7 C2 H8 108.495
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability